Paradyne 3615 manual

COMSPHERE DUALFLOW DA T A SER VICE UNITS USER’S GUIDE Document No. 3615-A2-GB20-20 December 1996[...]

COMSPHERE DualFlow Data Service Units A December 1996 3615-A2-GB20-20 COMSPHERE DualFlow Data Service Units Models 3615 and 3616 User ’s Guide 3615-A2-GB20-20 3rd Edition (December 1996) Changes and enhancements to the product and to the information herein will be documented and issued as a new release to this manual. United States FCC Registrati[...]

Safety Instructions B 3615-A2-GB20-20 December 1996 Important Safety Instructions 1. Read and follow all warning notices and instructions marked on the product or included in the manual. 2. This product is intended to be used with a three-wire grounding type plug – a plug which has a grounding pin. This is a safety feature. Equipment grounding is[...]

COMSPHERE DualFlow Data Service Units C December 1996 3615-A2-GB20-20 Notices      [...]

Safety Instructions D 3615-A2-GB20-20 December 1996 If your DSU causes harm to the telephone network, the telephone company may discontinue your service temporarily . If possible, they will notify you in advance. But if advance notice is not practical, you will be notified as soon as possible. Y ou will be advised of your right to file a complaint [...]

i 3615-A2-GB20-20 December 1996 T able of Contents Preface About This Guide vii . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . How to Use This Guide vii . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Related Documents viii . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

COMSPHERE DualFlow Data Service Units ii December 1996 3615-A2-GB20-20 4. Operating the DualFlow DSU Overview 4-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DCP and SDCP Operation 4-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Menu Structure 4-4 . . . . . . . . . . . . [...]

T able of Contents iii 3615-A2-GB20-20 December 1996 List of Figures Figure Page 2-1 Model 3615 DSU Hardware Switch Location 2-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2 Model 3615 DSU Electrical Connection 2-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3 Model 3615 DSU Network Connection 2-6 . . . [...]

COMSPHERE DualFlow Data Service Units iv December 1996 3615-A2-GB20-20 List of T ables T able Page 1-1 General T echnical Specifications 1-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 DSU T echnical Specifications 1-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3 V .[...]

T able of Contents v 3615-A2-GB20-20 December 1996 T able Page D-1 Model 3615 – Digital (DDS and 4-W ire Switched 56 kbps) Network Connector Pin Assignments D-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-2 Model 3615 – Dial (Analog and 2-W ire Switched 56 kbps) Network Connector Pin Assignments D-2 . . . . . . . . . .[...]

vii 3615-A2-GB20-20 December 1996 Preface About This Guide This user ’ s guide provides the information needed to install and operate your COMSPHERE r Model 3615 or 3616 DualFlow data service unit (DSU), which is equipped with a dial backup module (DBM) – either a V .32 DBM, a 4-wire Switched 56 DBM, or a 2-wire Switched 56 DBM. Be sure to read[...]

COMSPHERE DualFlow Data Service Units viii December 1996 3615-A2-GB20-20 Related Documents Other product documentation includes the following: 3000-A2-GA31 COMSPHERE 3000 Series Carrier , Installation Manual 3000-A2-GB41 COMSPHERE – 48 Vdc Central Office Power Unit, Installation Guide 6700-A2-GB41 COMSPHERE 6700 Series Network Management System, [...]

1-1 3615-A2-GB20-20 December 1996 About Y our DualFlow DSU Overview 1-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Standard Features 1-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

COMSPHERE DualFlow Data Service Units 1-2 December 1996 3615-A2-GB20-20 • Diagnostic Contr ol Panel control. The Model 3615 DSU is controlled from its diagnostic control panel (DCP). The diagnostic control panel for the Model 3616 DSU, called a shared diagnostic control panel (SDCP), is installed in the 3000 Series Carrier . Both control panels d[...]

About Y our DualFlow DSU 1-3 3615-A2-GB20-20 December 1996 Switched 56 DBMs The Switched 56 DBM is attached to the DSU and offers dial backup capability through the Switched 56 kbps digital service. The Switched 56 DBM of fers the following features: • Nondisruptive point-to-point connections. The DBM sends its line data to the EIA-232 port, whic[...]

COMSPHERE DualFlow Data Service Units 1-4 December 1996 3615-A2-GB20-20 T able 1-1 General T echnical Specifications Specifications Criteria APPROV ALS FCC Part 15 FCC Part 68 UL 3615 DualFlow DSU 3616 DualFlow DSU, 3000 Series Carrier CSA Safety 3615 DualFlow DSU 3616 DualFlow DSU, 3000 Series Carrier Emissions Bell Canada Class A digital device A[...]

About Y our DualFlow DSU 1-5 3615-A2-GB20-20 December 1996 T able 1-2 DSU T echnical Specifications Specifications Criteria APPLICA TION Full- or half-duplex data transmission via point-to-point DDS network, or local area data channel COMMUNICA TION LINE Leased or private 4-wire DDS line DA T A RA TES Digital Services (DDS, ASDS) LADS When timing i[...]

COMSPHERE DualFlow Data Service Units 1-6 December 1996 3615-A2-GB20-20 T able 1-3 V .32 DBM T echnical Specifications Specifications Criteria RINGER EQUIV ALENCE NUMBER (REN) DBM option 0.7B APPLICA TION Full- or half-duplex data transmission via analog 2-wire dial network, point-to-point MODULA TION AND FREQUENCY At 14.4 and 12 kbps: CCITT V .32b[...]

About Y our DualFlow DSU 1-7 3615-A2-GB20-20 December 1996 T able 1-4 4-Wire Switched 56 DBM T echnical Specifications Specifications Criteria APPLICA TION Full- or half-duplex data transmission via 56 kbps switched services compatible with A T&T , MCI r , and US SPRINT r using 4-wire switched access to a local exchange carrier (LEC) or an inte[...]

COMSPHERE DualFlow Data Service Units 1-8 December 1996 3615-A2-GB20-20 T able 1-5 2-Wire Switched 56 DBM T echnical Specifications Specifications Criteria APPLICA TION Full- or half-duplex data transmission via 56 kbps switched services compatible with A T&T , US SPRINT r , and MCI r using DataPath t 2-wire switched access to a local exchange [...]

2-1 3615-A2-GB20-20 December 1996 Installing the Model 3615 DualFlow DSU Overview 2-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Before you Begin 2-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

COMSPHERE DualFlow Data Service Units 2-2 December 1996 3615-A2-GB20-20 CAUTION The ac transformer contains a 3-wire grounding-type plug which has a grounding pin. This is a safety feature. Do not defeat the purpose of the grounding plug by modifying it or by using an adapter . Prior to installation, use an outlet tester to check the ac receptacle [...]

Installing the Model 3615 DualFlow DSU 2-3 3615-A2-GB20-20 December 1996 496-14499-01 SWITCH 1 HINGE T AB LOCA TIONS FRONT BEZEL COMSPHERE 3615 SNAP T ABS Figure 2-1. Model 3615 DSU Hardware Switch Location T able 2-1 Model 3615 DSU Switch Settings Switch Position Switch Setting Function S1-1 ON (default) Permissive V .32 DBM transmit output level [...]

COMSPHERE DualFlow Data Service Units 2-4 December 1996 3615-A2-GB20-20 Where to Place the DSU As mentioned earlier , the DSU must be placed within 6 feet of a dedicated grounded ac outlet that is protected by a circuit breaker . The distance between the DSU and its DTE must be within EIA-232-D/V .24 limits, or V .35 limits if operating the DSU at [...]

Installing the Model 3615 DualFlow DSU 2-5 3615-A2-GB20-20 December 1996 Power-Up Routine When power is applied, the DSU: • Runs a Device T est on itself and the DBM. During the tests, all indicators on the DCP light briefly and the message Power -Up T ests appears on the liquid crystal display (LCD). • Displays the results of each test momenta[...]

COMSPHERE DualFlow Data Service Units 2-6 December 1996 3615-A2-GB20-20 Connecting to the NMS A 3600 Hubbing Device is required to connect the control DSU to the 6700 or 6800 Series NMS. When connected to the NMS, the DSU can be controlled and configured from the NMS rather than from the DCP alone. . Procedure 1. Plug the 4-pin modular plug of the [...]

Installing the Model 3615 DualFlow DSU 2-7 3615-A2-GB20-20 December 1996 Connecting to the Switched 56 kbps Network NOTE Before connecting the DSU to the Switched 56 kbps network, ensure that approved primary protectors have been installed on the circuit in accordance with Article 800 of the National Electric Code, NFP A 70, in the United States an[...]

COMSPHERE DualFlow Data Service Units 2-8 December 1996 3615-A2-GB20-20 . Procedure 1. Plug the DDS network interface cable into the DSU jack labeled LINE . • U.S. – select either end of the cable • Canada – select the 8-pin end 2. Plug the other end of the cable into the modular jack (USOC RJ48S) provided by the circuit provider . If the r[...]

Installing the Model 3615 DualFlow DSU 2-9 3615-A2-GB20-20 December 1996 Connecting the DSU to a Router The DualFlow DSU transmits user data through its V .35 interface and diagnostic or user data through its EIA-232-D/V .24 interface. Cabling is based upon the preset configuration (SyBC, SyBT , or DiDg) selected in the Opts subbranch (Config branc[...]

COMSPHERE DualFlow Data Service Units 2-10 December 1996 3615-A2-GB20-20 Addressing the Unit A unique address must be assigned to each control and tributary DSU in your network. Y ou can assign an address within the range of 1 through 255. NOTE Do not assign the number 192 as a network address. This number is reserved as a broadcast address. The DB[...]

Installing the Model 3615 DualFlow DSU 2-1 1 3615-A2-GB20-20 December 1996 V erifying DBM Operation A backup connection must be established to verify that the switched network is functioning. Then, perform the Digital T est by selecting the DBM path. . Procedure 1. Select Local (F1). 2. Select Bckup (F2). 3. Select Dial to establish a dialed call t[...]

COMSPHERE DualFlow Data Service Units 2-12 December 1996 3615-A2-GB20-20 V erifying the Network Perform a Health and Status check on the DDS circuit to ensure that the network is functioning. . Procedure 1. Select Local (F1). 2. Select Stat (F1). 3. Select H/S (F1). 4. Select Devic (F1). 5. Press the key to return to the top-level menu. 6. Select L[...]

3-1 3615-A2-GB20-20 December 1996 Installing the Model 3616 DualFlow DSU Overview 3-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Before you Begin 3-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

COMSPHERE DualFlow Data Service Units 3-2 December 1996 3615-A2-GB20-20 Before Y ou Begin The COMSPHERE 3000 Series Carrier should already be installed properly and be operational, with a functioning shared diagnostic control panel (SDCP). An SDCP (installed in the carrier) is required for installation and maintenance of the Model 3616 DSU. For ins[...]

Installing the Model 3616 DualFlow DSU 3-3 3615-A2-GB20-20 December 1996 Figure 3-1. Model 3616 DSU Switch and Jumper Locations T able 3-1 Model 3616 DSU Switch Settings Switch Position Switch Setting Function S1 - 1 ON (default) Permissive V .32 DBM transmit output level of –9 dBm S1-1 Off Programmable V .32 DBM transmit level between –12 dBm [...]

COMSPHERE DualFlow Data Service Units 3-4 December 1996 3615-A2-GB20-20 T able 3-2 Model 3616 DSU Jumper Straps Strap Designation State of Jumper Strap Function J12 Left V .35 T est Mode Indication: Left — Enables V .35 T est Mode Indication (Pins 1 and 2). This is the factory default. Right — Disables V .35 T est Mode Indication (Pins 2 and 3)[...]

Installing the Model 3616 DualFlow DSU 3-5 3615-A2-GB20-20 December 1996 Installing the DSU Prior to installing the Model 3616 DualFlow DSU, install a rear connector plate onto the rear of the COMSPHERE 3000 Series Carrier (Figure 3-2). Only after this procedure can the DSU be installed or de-installed by simply removing it from the carrier . . Pro[...]

COMSPHERE DualFlow Data Service Units 3-6 December 1996 3615-A2-GB20-20 4. Using a Phillips screwdriver , loosen the screw holding the circuit pack lock and rotate the lock to the open position (Figure 3-3). Open the latch. 5. At the front of the carrier , hold the DSU vertically with the latch on its faceplate in the open position. Then, insert th[...]

Installing the Model 3616 DualFlow DSU 3-7 3615-A2-GB20-20 December 1996 7. At the rear of the carrier , connect the appropriate router cable (EIA-232-D or V .35) to the rear connector plate. For an EIA-232-D interface cable, connect the EIA-232-D cable to the top DTE connector on the rear connector plate. For the 25-pin V .35 interface, a V .35 In[...]

COMSPHERE DualFlow Data Service Units 3-8 December 1996 3615-A2-GB20-20 Power-Up Routine When power is applied, the DSU: • Runs a Device T est on itself and the DBM. During the tests, all indicators on the DCP light briefly and the message Power -Up T ests appears on the liquid crystal display (LCD). • Displays the results of each test momentar[...]

Installing the Model 3616 DualFlow DSU 3-9 3615-A2-GB20-20 December 1996 Connecting to the DDS (or LADS) Network NOTE Before connecting the DSU to the DDS network, ensure that approved primary protectors have been installed on the circuit in accordance with Article 800 of the National Electric Code, NFP A 70, in the United States and Section 60 of [...]

COMSPHERE DualFlow Data Service Units 3-10 December 1996 3615-A2-GB20-20 Addressing the Unit A unique address must be assigned to each control and tributary DSU in your network. Y ou can assign an address within the range of 1 through 255. NOTE Do not assign the number 192 as a network address. This number is reserved as a broadcast address. The DB[...]

Installing the Model 3616 DualFlow DSU 3-1 1 3615-A2-GB20-20 December 1996 V erifying Operation and T esting Connections Perform verification testing after any installation. After installing and configuring the circuit (including control and tributary DSUs, the DDS network, the DBMs and their dial connections), perform a series of tests fr om the c[...]

COMSPHERE DualFlow Data Service Units 3-12 December 1996 3615-A2-GB20-20 V erifying Network Addresses, the Network, and DBM Operation Establish a backup connection and perform a Digital T est over the backup connection to ensure that the switched network is functioning. Access the DSU’ s identity (ID) subbranch for the tributary DSU to ensure tha[...]

4-1 3615-A2-GB20-20 December 1996 Operating the DSU Overview 4-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DCP and SDCP Operation 4-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

COMSPHERE DualFlow Data Service Units 4-2 December 1996 3615-A2-GB20-20 Control Branch 4-19 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T ransmitter Control 4-19 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

Operating the DSU 4-3 3615-A2-GB20-20 December 1996 Select S D U 12 3 45 67891 0 1 1 1 2 1 3 1 4 1 5 1 6 SELECT KEY ST A TUS INDICA T O RS CARRIER SLOTS 1–16 F1 F2 F3 OK Alarm BckUp T est EC NETWORK DEVICE ALARM DIAL BACKUP TEST MODE ERROR CORRECTION OK Alarm BckUp Test EC KEYP AD LCD DISPLA Y TXD RXD RTS CTS DSR DTR LSD 103 104 105 106 107 108 1[...]

COMSPHERE DualFlow Data Service Units 4-4 December 1996 3615-A2-GB20-20 Keypad There are seven keys on the DCP of the standalone Model 3615, and eight on the SDCP for the carrier - mounted Model 3616 DSU. The additional key , the Selec t key , connects the SDCP to a specific DSU located in a specific carrier and slot within the carrier . F1 F2 F3 ?[...]

Operating the DSU 4-5 3615-A2-GB20-20 December 1996 Health and Status The Health and Status ( H/S ) subbranch displays the health and status of the DSU, as well as the DBM. It automatically scans for DSU and line conditions that are not within normal limits. There are three types of Health and Status messages: • Devic (Device Health and Status) ?[...]

COMSPHERE DualFlow Data Service Units 4-6 December 1996 3615-A2-GB20-20 Circuit Quality Circuit Quality ( Cir cQ ) shows the level and quality of the signal being received from the network by the DBM. This subbranch is only available for a V .32 DBM. Identity Identity ( ID ) displays a listing of the DSU’ s model and serial numbers, the equipment[...]

Operating the DSU 4-7 3615-A2-GB20-20 December 1996 T erminal Power T erminal Power ( TPwr ) displays the status of the EIA-232 or V .35 interface (connector). The DSU checks the state of the R TS lead to determine when the DTE is ON to report the following: • When the voltage is approximately less than –3V or greater than +3V for both the EIA-[...]

COMSPHERE DualFlow Data Service Units 4-8 December 1996 3615-A2-GB20-20 NOTE Auto Backup and Auto Restor should not be enabled if DTRCallCon is enabled (set to Orig or Ansr). • Bckup Dir – Select the call directory identifier (1 to 10) stored in the DBM’ s Backup Directory for the telephone number to be dialed. • AutoRestor – Select Enab [...]

Operating the DSU 4-9 3615-A2-GB20-20 December 1996 Manual Backup Y ou can control each step of a backup attempt by following one of these procedures. Placing a Backup Call To place a backup call: . Procedure 1. Go to the Bkup option set under the Confg branch and set Auto Bckup to Disab. 2. Select Bckup (Backup branch) to select a telephone number[...]

COMSPHERE DualFlow Data Service Units 4-10 December 1996 3615-A2-GB20-20 NOTE T o abort a loopback on the tributary DSU from the NMS, establish a dial connection with the control DSU, then issue a subnetwork abort command from the NMS to the control. Local Loopback Only available to a DSU, Local Loopback ( LL ) is session-disruptive; that is, perfo[...]

Operating the DSU 4-1 1 3615-A2-GB20-20 December 1996 When a DBM (control or tributary) originates Remote Digital Loopback, both the originating DBM and the tar geted DBM enter T est mode. No other test can be run at the originating DSU or the tar geted DSU until the Remote Digital Loopback is aborted. The DBM does not generate test results. NOTE T[...]

COMSPHERE DualFlow Data Service Units 4-12 December 1996 3615-A2-GB20-20 T able 4-4 End-to-End T est Results Results Reported By 1 Information Displayed T ime: Local and remote DBM Running test timer . (The Clr selection resets the timer to 0:00:00.) T ot Block: Local and remote DBM Number of blocks completed. (The Clr selection resets the counter [...]

Operating the DSU 4-13 3615-A2-GB20-20 December 1996 Lamp T est The Lamp T est is a local test of the status indicators (LEDs) and liquid crystal display (LCD) on the DSU’ s control panel (both models). Any indicator that does not flash is not functional. Note that if all LEDs are functioning, all the indicators on the Model 3615 DCP are flashing[...]

COMSPHERE DualFlow Data Service Units 4-14 December 1996 3615-A2-GB20-20 T o view the configuration loaded: . Procedure 1. Select an option set (e.g., DSU – F2 key). 2. Press the F1 key ( Next ) to scroll through each configuration option’ s default (factory-loaded) setting. The option sets (DSU, DSU Port, DBM, etc.) scroll from the last to the[...]

Operating the DSU 4-15 3615-A2-GB20-20 December 1996 Changing the Poll List T o change the poll list (e.g., add network address 3): . Procedure 1. Select Chang (F3). F1 Poll List: Displ Clr Chang F2 F3 2. Select Activ (F1). F1 Chng P oll List: Activ Delet Skip F2 F3 3. Press the F1 key to increment network address 2. F1 Address: 2 Enter F2 F3 4. Se[...]

COMSPHERE DualFlow Data Service Units 4-16 December 1996 3615-A2-GB20-20 Acquiring the Poll List A call must be established before this procedure can be performed (refer to the Backup Branch section earlier in this chapter). T o automatically generate a poll list if a control: . Procedure 1. Press the key to display Acq. F1 Poll List: Displ Clr Cha[...]

Operating the DSU 4-17 3615-A2-GB20-20 December 1996 Entering a T elephone Number For the following example, add a dial string (telephone number) to Backup Directory 1. The number to be entered is 555-1234. T o add or change a telephone number: . Procedure 1. Select Local . 2. Press the key to display Confg (Configuration branch). 3. Select Confg .[...]

COMSPHERE DualFlow Data Service Units 4-18 December 1996 3615-A2-GB20-20 Phone The local telephone number ( Phone ) feature stores the local DBM’ s telephone number if a DBM is installed. Refer to T able 4-6 to see all available telephone number characters. Network Address The network address ( Addr ) is the network address of the local DSU. It i[...]

Operating the DSU 4-19 3615-A2-GB20-20 December 1996 Control Branch The Control ( Ctrl ) branch allows you to enable or disable the DSU’ s transmitter , as well as the DBM’ s, and to display or change the status of the general purpose external DTE leads. A DBM can be disabled if it is addr essed fr om the Remote branch. T ransmitter Control The[...]

COMSPHERE DualFlow Data Service Units 4-20 December 1996 3615-A2-GB20-20 Displaying External Leads The Display ( Displ ) selection allows you to view the external lead states. When Display is selected, the External Leads status report appears showing the current status of the general-purpose external leads on the EIA-232-D/V .24 interface. Changing[...]

Operating the DSU 4-21 3615-A2-GB20-20 December 1996 Front Panel (DCP) Security NOTE This page can be removed to prevent unauthorized persons from learning about the security access levels and their selection. The Model 3615 diagnostic control panel (DCP) and Model 3616 shared diagnostic control panel (SDCP) have two levels of security access, as s[...]

5-1 3615-A2-GB20-20 December 1996 Unit Configuration Overview 5-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Using the DCP to Set Configuration Options 5-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

COMSPHERE DualFlow Data Service Units 5-2 December 1996 3615-A2-GB20-20 Selection of Activ , Usr1, Usr2, Usr3, SyBC, SyBT , or DiDg from the Load fr om menu brings a complete set of configuration option into the working buf fer . Once loaded, the Edit/Save submenu appears (shown below). F1 Edit / Save: SA VE DSU DSUpt F2 F3 Using the DCP to Set Con[...]

Unit Configuration 5-3 3615-A2-GB20-20 December 1996 Saving Configuration Options CAUTION Be extremely careful when saving configuration options to avoid saving them to the wrong location. T o save edited configuration options: . Procedure 1. From any configuration option in any option set, press the key to return to the Edit/Save submenu. 2. Press[...]

COMSPHERE DualFlow Data Service Units 5-4 December 1996 3615-A2-GB20-20 F1 Load from: DiDg Activ Remot F2 F3 F1 Edit / Save: SA VE DSU DSUpt F2 F3 F1 DT E P ort : V .35 Next V .35 Prev F2 F3 F1 RT S C ntrl: FrcOn Next FrcOn DTE F2 F3 F1 RT S C n t rl : D T E Next FrcOn DTE F2 F3 F1 Edit / Save: SA VE DSU DSUpt F2 F3 F1 Save to: Activ Remot Usr1 F2 [...]

Unit Configuration 5-5 3615-A2-GB20-20 December 1996 Configuration Option T ables This section contains a table for each option set that can be found under the Configuration (Confg) branch, in the order in which it appears in the menu. This chapter includes the following option set tables: • DSU Configuration Options (T able 5-1) • DSU Port Con[...]

COMSPHERE DualFlow Data Service Units 5-6 December 1996 3615-A2-GB20-20 T able 5-1 DSU Configuration Options Rate(Kbps): 56 Next 64CC 64L 56 38.4 19.2 9.6 4.8 2.4 Prev DSU Rate . Data rate (in kbps) on the digital circuit. Must be set to match the speed of the DDS circuit. Both the control and tributary DSUs must be set to the same value. 64CC — [...]

Unit Configuration 5-7 3615-A2-GB20-20 December 1996 T able 5-2 (1 of 3) DSU Port Configuration Options DTE Port: V .35 Next V .35 Prev DTE Port . Forces user data over the V .35 interface. V .35 — For all available rates at distances up to 1000 feet. RTS Cntrl: FrcOn Next FrcOn DTE Prev Request-to-Send Control . This configuration option determi[...]

COMSPHERE DualFlow Data Service Units 5-8 December 1996 3615-A2-GB20-20 T able 5-2 (2 of 3) DSU Port Configuration Options LSD Lead: Std Next Std Delay FrcOn Prev Line Signal Detect Lead . Controls behavior of the Line Signal Detect lead. Std — LSD lead goes Of f in response to a control mode idle (CMI) signal from the DDS network or DDS failure.[...]

Unit Configuration 5-9 3615-A2-GB20-20 December 1996 T able 5-2 (3 of 3) DSU Port Configuration Options LL by DTE: Disab Next Enab Disab Prev Local Loopback by DTE . Controls using Pin L of the V .35 interface by the DTE to initiate a Local Loopback when the DSU is the active device. Whenever this lead is ON, the Local Loopback overrides any other [...]

COMSPHERE DualFlow Data Service Units 5-10 December 1996 3615-A2-GB20-20 T able 5-3 (2 of 4) DBM Configuration Options TxClkSource: Int for a control DBM, RXC for a tributary DBM Next Int RXC Ext Prev T ransmit Clock Source . Source of timing for the DBM. Only appears for a V .32 DBM. Int — Internal clock source. The local DBM provides the timing[...]

Unit Configuration 5-1 1 3615-A2-GB20-20 December 1996 T able 5-3 (3 of 4) DBM Configuration Options Call Setup:None Next None Pswrd Cllbk Alarm Prev Dial Backup Call Setup . Establishes the security level on call setup attempts. The Password and Callback security selections use a proprietary password exchange to ensure that the DBM does not route [...]

COMSPHERE DualFlow Data Service Units 5-12 December 1996 3615-A2-GB20-20 T able 5-3 (4 of 4) DBM Configuration Options Primary Core:No Next Y es No Prev DBM Primary Core . When enabled, the DSU is disabled and the DBM is enabled so that it functions as a V .32 DBM or Switched 56 DBM. Ye s — Enables the Primary Core so the unit operates like a 360[...]

Unit Configuration 5-13 3615-A2-GB20-20 December 1996 T able 5-4 (1 of 3) DBM Port Configuration Options DTE Port: 232 Next 232 V .35 Prev DTE Port . Selects which DTE port will be used for DBM data. This configuration option is forced to 232 (EIA-232) unless Primary Core is set to Y es. 232 — For the EIA-232-D connector , the maximum cable lengt[...]

COMSPHERE DualFlow Data Service Units 5-14 December 1996 3615-A2-GB20-20 T able 5-4 (2 of 3) DBM Port Configuration Options DSR FrcOn: Enab Next Enab Disab Prev Data Set Ready Forced On . Provides the ability to override any other options controlling the Data Set Ready lead. Enab — DSR remains ON as long as the device is working regardless of tes[...]

Unit Configuration 5-15 3615-A2-GB20-20 December 1996 T able 5-4 (3 of 3) DBM Port Configuration Options CCN by EL: Disab Next Enab Disab Prev Configuration Change Notification by External Leads . Controls using the general-purpose output leads to set a CCN event. This configuration option only has an ef fect if Ext Leads is set to ExtLd. Enab — [...]

COMSPHERE DualFlow Data Service Units 5-16 December 1996 3615-A2-GB20-20 T able 5-5 Diagnostic DBM Configuration Options Diag T ype: Disr Next NonD Disr None Prev Diagnostic T ype . Defines the diagnostic interaction between the control and tributary DBMs in Backup mode. It must be set consistently for all Dualflow DBMs on the same circuit. NonD ?[...]

Unit Configuration 5-17 3615-A2-GB20-20 December 1996 T able 5-6 Diagnostic General Configuration Options Position: Cntrl for SyBC, T rib for DiDg and SyBT configurations Next Cntrl T rib Prev Network Position . Determines the DSU’s position in the network, and defines its test and diagnostic capabilities. Cntrl — Control T rib — T ributary R[...]

COMSPHERE DualFlow Data Service Units 5-18 December 1996 3615-A2-GB20-20 T able 5-7 (1 of 2) Backup Configuration Options Auto Bckup:Disab Next Enab Disab Prev Automatic Backup . Controls automatic initiation of a call setup attempt upon failure of the DDS network, defined as detection of No Signal or Out-of-Service codes, or excessive bipolar viol[...]

Unit Configuration 5-19 3615-A2-GB20-20 December 1996 T able 5-7 (2 of 2) Backup Configuration Options RestorTimOut: 5m Next Chang Prev Restoration Time-out . Length of time the DDS network must be back in service before automatic restoration is attempted. This configuration option only has an ef fect at a DSU configured with Automatic Restoration [...]

A-1 3615-A2-GB20-20 December 1996 DSU Menu Overview A-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Menu Structure A-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

COMSPHERE DualFlow Data Service Units A-2 December 1996 3615-A2-GB20-20[...]

DSU Menu A-3 3615-A2-GB20-20 December 1996[...]

COMSPHERE DualFlow Data Service Units A-4 December 1996 3615-A2-GB20-20 Continued fr om Page A -1 . If both DDS and dial connections have been made, then every 10 seconds the top-level menu screen alternates status information between the DDS and dial ports (V .35 for the DDS line and active DBM port for the dial line). F1 V .35 DSU 56 C Local Remo[...]

B-1 3615-A2-GB20-20 December 1996 Configuration W orksheets Overview B-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Instructions B-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

DualFlow DSU Configuration W orksheet (1 of 2) Date:_____________________________________________ Location:____________________________________________ Local Phone No: ( j )_____________________________ Device:___________________________________________ Local Addr:__________________________________________ Serial No:________________________________[...]

DualFlow DSU Configuration W orksheet (2 of 2) DBM Port (232) V alue DTE Port 232, V .35 } R TS Cntrl FrcOn, DTE CTS Cntrl Std, =R TS, FrcOn AntiStream (Chang) Disab (1 to 100 sec) LSD Lead Std, FrcOn DSR FrcOn Enab, Disab DSR on T st Enab, Disab RespondRDL Enab, Disab RL by DTE Enab, Disab Bilat Lpbk Enab, Disab Ext Leads ExtLd, Rate, RPowr CCN by[...]

C-1 3615-A2-GB20-20 December 1996 Status Indicators and Control Panel Messages Overview C-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Status Indicators C-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

COMSPHERE DualFlow Data Service Units C-2 December 1996 3615-A2-GB20-20 T able C-1 DSU Status Indicators Label Color Description OK Green Health and status indicator: DSU operation is normal. (The DSU has not detected any of the faults listed under Alrm, below .) This indicator flashes two times per second if a message from the NMS is present. Alrm[...]

Status Indicators and Control Panel Messages C-3 3615-A2-GB20-20 December 1996 T able C-2 SDCP Status Indicators Label Color Description OK Green Health and status indicator for the selected DSU; mirrors the OK indicator on the DSU faceplate. Alrm Red Health and status indicator for the selected DSU; mirrors the Alrm indicator on the DSU faceplate.[...]

COMSPHERE DualFlow Data Service Units C-4 December 1996 3615-A2-GB20-20 T able C-3 (1 of 3) Device Health and Status Messages Message Condition CMI Fac Alarm Facility Alarm on CMI (FacAlOnCMI) configuration option is enabled and control mode idle (CMI) is being received. Config Corrupt Configuration is corrupt. Reset all configuration options from [...]

Status Indicators and Control Panel Messages C-5 3615-A2-GB20-20 December 1996 T able C-3 (2 of 3) Device Health and Status Messages Condition Message Dial T one:Fail Dial tone test was enabled and test failed. DDS F: alarm Digital facility alarm; alarm is one of the following network alarms: BiplrViol — Excessive Bipolar Violations Fac Alarm —[...]

COMSPHERE DualFlow Data Service Units C-6 December 1996 3615-A2-GB20-20 T able C-3 (3 of 3) Device Health and Status Messages Condition Message Redun Fan Alarm Indicates a problem with the fan on the – 48 Vdc Central Office Power Unit. Redun Pwr Alarm Indicates a problem with the power on the – 48 Vdc Central Office Power Unit. Subnetwrk Alarm [...]

Status Indicators and Control Panel Messages C-7 3615-A2-GB20-20 December 1996 T able C-4 Expanded Health and Status Messages Message Condition Dial Attempt: nn The number ( nn ) of failures of dialing attempts since failure of private-line service. This message is cleared when the automatic backup process succeeds or the backup process is reset du[...]

COMSPHERE DualFlow Data Service Units C-8 December 1996 3615-A2-GB20-20 T able C-5 Subnetwork Health and Status Messages Message Condition Devic TDM/Flex only: Device Failure. One of the following major alarms is in ef fect: Configuration Corrupt Device T est Failure DialBU Dial mode. Indicates that the DBM is active. DialCN Dial Connect. Indicates[...]

Status Indicators and Control Panel Messages C-9 3615-A2-GB20-20 December 1996 Progress Messages T able C-6 describes the command progress messages; T able C-7 describes the dial backup progress messages. T able C-6 Command Progress Messages Message Condition Please wait . . . Command is taking more than 2 seconds to complete. Command Complete Comm[...]

COMSPHERE DualFlow Data Service Units C-10 December 1996 3615-A2-GB20-20 Error Messages T able C-8 describes the command error messages; T able C-9 describes the dial backup error messages. T able C-8 Command Error Messages Message Condition Action Conflict w/Envir Command conflicts with a test in progress, or the configuration is inappropriate for[...]

Status Indicators and Control Panel Messages C-1 1 3615-A2-GB20-20 December 1996 T able C-9 (1 of 2) Dial Backup Error Messages Message Notify NMS 1 Condition Action DBM: Busy Ye s T elephone line associated with remote DBM is busy . Try again. T ry another number if possible, or investigate why the line is busy . DBM: Call Aborted No Call was abor[...]

COMSPHERE DualFlow Data Service Units C-12 December 1996 3615-A2-GB20-20 T able C-9 (2 of 2) Dial Backup Error Messages Action Condition Notify NMS 1 Message DBM:No Ringing No DBM is not getting ringback from the other end. Look for line problems. If conditions are good and no problem is found, call telephone company and report the problem. DBM: No[...]

D-1 3615-A2-GB20-20 December 1996 Pin Assignments Overview D-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Network Connectors D-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

COMSPHERE DualFlow Data Service Units D-2 December 1996 3615-A2-GB20-20 T able D-1 Model 3615 – Digital (DDS and 4-Wire Switched 56 kbps) 8-Pin Network Connector Pin Assignments Pin Circuit Function 1 R1 Transmit data to local loop 2 T1 T ransmit data to local loop 7 T Received data from local loop 8 R Received data from local loop T able D-2 Mod[...]

Pin Assignments D-3 3615-A2-GB20-20 December 1996 T able D-3 3600 Hubbing Device Pin Assignments Pin # Signal Name Input/Output 1 +5 Vdc Input 2 DCOSD/CCIRD Input 3 Signal Ground Ground 4 DCORD/CCISD Output T able D-4 3600 Hubbing Device CC IN/DC OUT Jack Pin Assignments Pin # Signal Name In/Out CC IN DC OUT 1 –V Pass-Through — N/C N/C 2 DCOCTS[...]

COMSPHERE DualFlow Data Service Units D-4 December 1996 3615-A2-GB20-20 DTE Connectors Figure D-3 shows the Model 3616 DSU’ s rear connector plate. T able D-5 provides the EIA-232/V .24 connector ’ s pin assignments. Figure D-4 shows the V .35 Interconnect Cable that is shipped with the rear connector plate; it provides the interface between th[...]

Pin Assignments D-5 3615-A2-GB20-20 December 1996 T able D-5 EIA-232/V .24 Connector Pin Assignments Pin Circuit Name Function Pin EIA-232 CCITT Function 2 BA 103 Transmit Data (TXD) 3 BB 104 Received Data (RXD) 4 CA 105 Request-to-Send (RTS) 5 CB 106 Clear-to-Send (CTS) 6 CC 107 Data Set Ready (DSR) 7 AB 102 Signal Ground (SG) 8 CF 109 Received Li[...]

COMSPHERE DualFlow Data Service Units D-6 December 1996 3615-A2-GB20-20 Figure D-4. V .35 Interconnect Cable (3000-F1-510)[...]

Pin Assignments D-7 3615-A2-GB20-20 December 1996 T able D-6 V .35 Connector Pin Assignments 25-Pin Connector (Rear Connector Plate) 34-Pin Connector (V .35 Interconnect Cable) Circuit Name Pin Number Pin Number 7 B Signal Ground 4 C Request-to-Send (RTS) 5 D Clear-to-Send (CTS) 6 E Data Set Ready (DSR) 8 F Received Line Signal Detect (LSD) 20 H Da[...]

COMSPHERE DualFlow Data Service Units D-8 December 1996 3615-A2-GB20-20 Crossover Cables Figure D-5 shows the EIA-232-D crossover cable and its pin assignments, and Figure D-6 shows the V .35 crossover cable and its pin assignments. Figure D-5. EIA-232-D Crossover Cable (4951-035F)[...]

Pin Assignments D-9 3615-A2-GB20-20 December 1996 Figure D-6. V .35 Crossover Cable (321 1-178F)[...]

E-1 3615-A2-GB20-20 December 1996 Application Configurations Overview E-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Dial Backup for Received Data Errors Application E-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

COMSPHERE DualFlow Data Service Units E-2 December 1996 3615-A2-GB20-20 Dial Backup for Received Data Errors Application In this application, the router controls backup of one drop on the Frame Relay or DDS network. When the router detects data errors, it raises DTR on its secondary port (which is connected to the DSU’ s EIA-232-D/V .24 interface[...]

Application Configurations E-3 3615-A2-GB20-20 December 1996 Dial Backup for Exceeded Load Thresholds Application Use the application shown in Figure E-2 when traf fic loading (acquiring additional bandwidth upon demand) for the router is needed. The router must use its Backup Load option. Using this configuration, the router enables its secondary [...]

COMSPHERE DualFlow Data Service Units E-4 December 1996 3615-A2-GB20-20 Frame Relay and Simultaneous Diagnostic Application This application allows you to manage and diagnose a router remotely without interfering with the router’ s primary data path. This configuration involves simultaneous transmissions: user data over the DDS line to the router[...]

F-1 3615-A2-GB20-20 December 1996 Equipment List Equipment Feature/Part No. G = Factory Install. F = Field Install. Comcode Model 3615 DSU With V .32bis 14.4 kbps DBM With 4-Wire Switched 56 DBM With 2-Wire Switched 56 DBM Model 3616 DSU (includes rear connector plate) With V .32bis 14.4 kbps DBM With 4-Wire Switched 56 DBM With 2-Wire Switched 56 [...]

COMSPHERE DualFlow Data Service Units F-2 December 1996 3615-A2-GB20-20 Equipment Comcode Feature/Part No. G = Factory Install. F = Field Install. Model 3616 Digital (DDS) Network Cables 1 50-pin to eight 6-pin Multiple Network Interface Adapter (Model 3616 in Canada) 50-pin to eight 8-pin Multiple Network Interface Adapter (Model 3616 in U.S.A.) 1[...]

Equipment List F-3 3615-A2-GB20-20 December 1996 Equipment* Part Number Field Service Spares Model 3615 DSU Model 3616 DSU – modular CCA Dial Backup Modules (DBMs) – Models 3615/3616 Snaplock Posts (Core) Standoff Posts (Line Interface) V .32bis 14.4 kbps DBM Core V .32bis 14.4 kbps Line-Interface 4-Wire Switched 56 DBM Core 4-Wire Switched 56 [...]

COMSPHERE DualFlow Data Service Units F-4 December 1996 3615-A2-GB20-20 Equipment * Part Number Model 3615 25-pin Plug to EIA-232 Plug Cable for extended circuits (select one) EIA-232 Crossover Cable Pin-to-Pin EIA-232 Cable (straight connection) 15 i — 818-2759-01 1 1 10 i — 835-4507-101 1 V .35 Crossover Cable 15 i — 835-1092-001 1 Model 36[...]

Glossary-1 3615-A2-GB20-20 December 1996 Glossary auto backup A function of the dial backup module (DBM) or carrier -mounted dial backup unit, whereby the DSU activates the DBM to reestablish a line automatically when a facility alarm is detected from the DDS network. auto restoral A function of the DBM whereby the DSU automatically returns to the [...]

COMSPHERE DualFlow Data Service Units Glossary-2 December 1996 3615-A2-GB20-20 CTS The state of the Clear -to-Send lead (V .24 circuit 106). Data Service Unit (DSU) A DCE device that interprets, interfaces, and provides timing and signal control between a DTE device and a digital network. Data T erminal Equipment (DTE) A computer or peripheral devi[...]

Glossary Glossary-3 3615-A2-GB20-20 December 1996 fallback Retraining of a V .32 DBM at a lower rate or speed. FCC Federal Communications Commission. Board of commissioners that regulates all interstate and foreign electrical communication systems that originate from the United States. Front-End Pr ocessor (FEP) A communications computer associated[...]

COMSPHERE DualFlow Data Service Units Glossary-4 December 1996 3615-A2-GB20-20 point-to-point circuit A data network circuit with one control and one tributary . rate adaption Used when the DSU or DBM operates at a speed greater than the DTE. This capability is enabled automatically when the port speed is set lower than the line speed. router A dev[...]

Glossary Glossary-5 3615-A2-GB20-20 December 1996 winkback detection In telephone switching systems, a momentary signal state change from control mode idle (CMI) to data mode idle (DMI), and back to CMI (sometimes referred to as a “wink start’ ’). 6700 Series Network Management System (NMS) A Paradyne automated network management system that [...]

Index-1 3615-A2-GB20-20 December 1996 Index A Abort, 4-9, 4-16 selective, 4-9 subnetwork, 4-9 Abort Call failure message, C-7 ac power requirements, 1-4 Acq, 4-16 Activ , 4-14, 4-15, 5-3 Active message, DBM, C-4 Addr, 4-18 address, network, 4-18 addresses, verifying, 2-1 1 addressing, 2-10, 3-10 example, 2-10, 3-10 tributary , 2-10 Alarm, 4-7 Alrm,[...]

COMSPHERE DualFlow Data Service Units Index-2 December 1996 3615-A2-GB20-20 BilatLpbk DBM Port option set, 5-14 DSU Port option set, 5-9 BiplrV iol, DBM alarm, C-4 BiplrV iol alarm, C-5 Bit Error Rate T est, 2-12, 3-12, 4-12 DBM test message, C-4 DSU test message, C-5 results, 4-12 branch Backup, 4-7 Configuration, 4-13 Control, 4-19 Message, 4-20 [...]

Index Index-3 3615-A2-GB20-20 December 1996 connection DDS (or LADS), 3-9 dial (or PSTN), 3-8 electrical, 2-4 NMS, 3-8 point-to-point, nondisruptive, 1-3 multispeed, 1-2 router, 2-9 Switched 56 kbps network, 3-8 to network, 3-8 to router , 2-9, 3-9 connector digital network, D-1 DTE, D-4 network, D-1 plate, rear , 1-4 control management, 1-3 NMS, 1[...]

COMSPHERE DualFlow Data Service Units Index-4 December 1996 3615-A2-GB20-20 diagnostic control panel, 1-2 DBM test initator , C-4, C-5 DBM, configuration options, 5-16 General, configuration options, 5-17 interface, 1-5 nondisruptive, 1-2, 1-3 tributary , 1-2, 1-3 Dial, status indicator , C-2 dial backup, 4-7 configuration, 4-7 error messages, C-1 [...]

Index Index-5 3615-A2-GB20-20 December 1996 environment, 1-4 equipment list, F-1 support, 1-8 warranty , 1-8 error correction indicator , SDCP , C-3 error messages command, C-10 dial backup, C-1 1 example using the DCP , 5-3 exceeded load threshold application, E-3 Exp, C-7 Expan, 4-5 Expanded Health and Status, 4-5 messages, C-7 External Alarm A m[...]

COMSPHERE DualFlow Data Service Units Index-6 December 1996 3615-A2-GB20-20 K keypad, 4-4 L LADS connection distances, 2-8 network connection, 2-7, 3-9 operation, 1-1 LADS network connection, figure, 2-8 Lamp, 4-13 DBM test message, C-4 DSU test message, C-5 T est, 2-12, 3-12, 4-13 DBM, C-4 DSU, C-5 LCD, 1-2 power-up, 2-5, 3-8 LDM, (see LADS), 1-1 [...]

Index Index-7 3615-A2-GB20-20 December 1996 N NetL DBM test, C-4 DSU test, C-5 Netwk Busy DBM error message, C-1 1 failure message, C-7 NetwkAbort DBM error message, C-1 1 failure message, C-7 NetwkUnavl DBM error message, C-1 1 failure message, C-7 Network, loopback, DBM test message, C-4 network address, 4-18 addresses, verifying, 3-12 addressing[...]

COMSPHERE DualFlow Data Service Units Index-8 December 1996 3615-A2-GB20-20 Position, Diagnostic General option set, 5-17 power, terminal, 4-7 power-up routine, 2-5, 3-8 primary channel, 1-5 PrimaryCore, DBM option set, 5-12 progress messages, C-9 command, C-9 dial backup, C-9 ProtoErr , DBM error message, C-12 PrtSp(Kbps), DBM option set, 5-9 PSTN[...]

Index Index-9 3615-A2-GB20-20 December 1996 standard features, 1-1 Standby , DBM message, C-4, C-9 Standby mode, 4-8 Starting Up DBM message, C-9 Stat, 4-4 Status branch, 4-4, A-4 DTE, 4-5 indicators, C-1 DSU, C-2 SDCP , C-3 Stndby message, C-8 Stop Bits, DBM Port option set, 5-15 storage temperature, 1-4 Stream message, C-8 Streaming T erminal ala[...]

COMSPHERE DualFlow Data Service Units Index-10 December 1996 3615-A2-GB20-20 U UL, 1-4 understanding configuration option tables, 5-5 unit configuration, 5-1 Usr1, 5-3 Usr2, 5-3 Usr3, 5-3 V V .32 DBM, 1-2 technical specifications, 1-6 V .35 connector, 1-1 pin assignments, D-7 crossover cable, D-9 interconnect cable, 3-7, D-6 selection, 4-5 V .54 Lp[...]