MRV Communications TS700/100 manuel d'utilisation

T ereScope700 and T er eScope800 Wireless Optical Communication Links Models TS700/100, T S700/155, T S 700/G, T S 800/155 User Man ual[...]

WIRELESS OPTICAL COMMUNICA TIONS User Manual Docum ent Nu mber ML 48237 (4703700), Rev. 4.0 February 2006  MRV Communications, Inc . Web site: www. mrv.c om[...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual Table of Contents STANDARDS Standards Compliance ............................................................................ i FCC Notice ............................................................................................... i CE Mark ...............................................[...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual Data/Signal Cabling .............................................................................. 24 For TS700/155, TS700/G, TS800/155, TS800/155-F ............................24 For TS700/100.........................................................................................25 CHAP TE[...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual i Standards Standards Compliance UL 1950; CSA 22.2 No 950; FCC Part 15 C lass B; CE-89/336/EEC, 73/ 23/ EEC FCC Notice WARNING : This eq u ipment has been tested and found to com ply with the lim its for a Class B digital device, pursuant t o Part 15 of t he FCC Rules. These limits are d esi[...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual ii Other St andard s 1. CISPR 22: 1993 AS/NZS 3548: 1995, Class B Joint Amendment No. 1: 1997, Joint Amendment No. 2: 1997 2. EN 60950+A1+A2+A3+A4+A11 ACA TS001-1997 AS/NZS 3260: 1993 A4: 1997 3. ITU G.703, G.704, G.706,G.736, G.737, G.738, G739, G740, G.775, G.823. MRV     Laser[...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual iii About this User Manual Audience This manual is intended for the user who wishes to install, operate, manage and troubleshoot the TereScope700 and TereScope800. Qualifications Users of this guide are expected to have: • Working knowledge of Electro-optical equipment • Working knowledg[...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual iv Safety Requirements All requirements stipulated in the safety laws of the country of ins tallation must be abided by when installing the TereScopes . Caution! In addition, ensure that the requirements noted in this chapter are met in order to reduce risk of electrical shock and fire and t[...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual v casual passersby. Examples of restricted locations are: sides of buildings at sufficient heights, restricted rooftops, and telephone poles. This definition of a restricted location is in accordance with the proposed IEC 60825-I Part 12 requirements. • Avoid using controls, adjustments, o[...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual vi Introduction CAREFULL Y READ THE ENTIRE MANU AL BEFORE INST ALLING n InfraRed (IR) link allows connection without any cable between two distant sites. For that, two identical transceivers, each installed on one site and aligned to face each other, provide point-to-point connectivity. This[...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual 1 The Product Caution! W hen handling the T ereScope, tak e special care not to dam age the poly carbonate window! Models Table 1: Models of the TereScope 1 Models Part Num ber Description TS700/100 TS100/A/FET/VS TereScope700 for Fast Ethernet 100Base-T X connectivity up to a distance of 36[...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual 2 S (for SingleMode) ‘U’ represents operating wavelength. Instead of U use one of the following: 8 (for 850 nm) 3 (for 1310 nm) 5 (for 1550 nm) ‘W’ represents connector type. Instead of W use one of the following: C (for SC) T (for ST) ‘FET’ (Fast ether net) represents 100B ase-T[...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual 3 HI G H VOL T . LO W VOL T . MRV Swi tch Ip Address Fas t Eth er n e t Posi tion Data Rat e UP Nor ma l DO WN Loc al Loopback 1 23 Mode of Def au l t IP AT M OC3 E3 T3 4,5 4 5 Nor ma l Ali gn men t - 4,5 - 4 5 TX RX TE LESCO PE TORQUE VALU E 7 Lb-I nch L G N +/~ -/~ USE COPP ER CO NDUC T OR[...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual 4 Back Panel Description Table 2: TS700/155 Standard Model Back Panel Controls, Interfaces, and Indicators Air RX Flag LED Green LED indicates data received by th e Airlink receiver. Turns ON at the t hreshol d level. Air RX Sync L ED Yello w LED. Turn s ON if th e rate of th e received Data[...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual 5 B. TS800/155 Standard Model The TS800/155 supports most of the prevalent protocols in the 34-155 Mbps range. Support for a special protocol, which is not on the list, can be ordered after coordination with the factory. This model can be used for Open Protocol applications which ensures com[...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual 6 Note: Pins (4,5) and (7,8) of the management RJ45 connector can be used for dry contact purposes, fo r Airlink flag and F/O f lag alarms res pectively. Selectors (DIP Swit ch DS1 Toggles) -- shown in Figure 1.3and 1.4 Data Rate (Toggles 1,2,3,4) S e t the transmission rate of the transceiv[...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual 7 Air RX Flag LED Green LED indicates data received by th e Airlink receiver. Turns ON at the t hreshol d level. Air RX Sync L ED Yello w LED. Turn s ON if th e rate of th e received Data matche s the Data Rate se t on the Data Rate DIP switch. F/O Main, RX Flag LED Up per green LE D indicat[...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual 8 C. TS800/155-F (Standard Model including Fusion option) This special T S800/155-F model can be connected to the back-up radio system without a special MRV switch and card supporting Fusion. This TereScope can be connected to any switch (supporting 10/100 Mbps data rate) via a standard conv[...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual 9 That’s what happens when the air channel is interrupted. F/O Network RF T ransce i ver 10/100TX- 100FX Media Converter Switch 10/100 Base-T MC 10 Base-T STP F/O Mai n TS TS IR = 100 Mbps Network Mai n RF T ransce i ver RF = 2-10 Mbps F/O F/O 10 Base-T STP Redundant Redundant Figure 1.5a:[...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual 10 Fusion Maximizing Link Availability in All Weather Conditions. The TereScope Fus ion was designed to combine the best features of two transport mediums, l aser light and ra dio waves, to form a single, seaml ess, wireless communication link between network devices . By leveraging both tec[...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual 11 D. TS700/100 - Fast-Ethernet System Figure 1.6: TS700/100 Model Back Panel Back Panel Description Table 4: TS700/100 Back Panel Controls, Interfaces, and Indicators Power Power sourc e Terminal Block (Main or UPS) AC power supp ly (100 to 240 Vac) or DC power supply (24 to 60 Vdc). 100Bas[...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual 12 Air RX Link LED Green LE D indicates signal received by the A irlink receiver. Turns ON at the t hreshol d level. Air RX Data LED Yellow LED blinking indic ates Data transfer via the Ai rlink receiver to the int erface. TP RX Link LE D Green LE D indicates Link est ablish ed at the 100Bas[...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual 13 E. TS700/G - Gigabit-Ethernet System The TereScope 700/G supports Gigabit Ethernet and FiberChannel protocols. The physical design and configuration of the TS700/G is similar to the other members of the series, and its operational principles are essentially the same. However, The T S700/G[...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual 14 Air RX Flag LED Green LED indicates s ignal recei ved by the Ai rlink receiver. Turns ON at the t hreshol d level. Laser En abled LED Red L ED. Turns ON to indicate tha t la se r in enabled to transmit light. F/O RX Flag LED Green LED indicates Data received by t he Fiber Optic receiver. [...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual 15 Monitoring and Management options 1 – Management 2 - Dry contact (Only TS800) 3 – RSM (Only TS800) The T S is ma nagea ble by us ing SNMP option. SNMP monitor ing can be perf ormed via Me gaVision, MRV’s SNMP software. The T S can be connecte d to dry contact box (RSM-DC). The RSM-D[...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual 16 Typical Connection 1 - Fiber Connection In order to implement a connection, each transceiver must be connected to the peripheral/testing equipment through fiber optic cables. A correct connection is indicated by the display on the back panel of the trans ceiver (see the section Display a [...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual 17 Site Survey The first ste p before every install ation is to visit the sites to be linked. in order to make sure that the connection is feasible, to find out potential obstacles or difficulties and to decide on the location and mounting points of the t ransceivers. Line of Sig ht A necess[...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual 18 Prefer Avoid Pay attention to Concrete Parapet Structural wall or column Old constructions Soft material (asphalt, etc.) Non-uniform surfaces Wooden and metal structur es Colored windows Double glazing The proximity of powe r radio antennas For reasons of conven ience, it is always p refe[...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual 19 Figure 2.1: Optimal Mounting Figure 2.2: Acceptable Mounting Figure 2.3 shows an unrecommended TereScope link location because of interference by I R. Notice that the TereScopes are mounted far from the rooftop edges or are too close to the g round. Figure 2.3: Unrecommended Mounting Tere[...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual 20 Figure 2.4 shows an unacceptable TereScope link location because of interf erence by passing vehicles. Notice that the TereScopes are mounted far from the rooftop edges and not high enough above the ground. Figure 2.4: Unacceptable Mounting Mounting Environment & Stability 1. When dec[...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual 21 Note: If the only option to mount the TereScope is at points 5, 6 or 7, it has to be mounted at least 2 m above the rooftop to avoid roof scintillations and people crossing the link beam (If pos sible, avoid placing the TereScope on a mast). 3. Avoid surfaces with high reflectivity (e.g.,[...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual 22 Figure 2.8: Wall Mounting (usi ng JMP and JMB) Figure 2.9: Wall Pedestal Mounting (using JMP and MO54C) Figure 2.10: Extended Wall Mounting (usi ng JMP and MO62C) Figure 2.11: Angle Bracket Mounting (using JMP and M001) Transmitting through a Window 1. Determine the number of surfaces the[...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual 23 Figure 2.12 shows the arrangement for transmitting through a window Figure 2.12: Arrangement for transmitti ng through a window.[...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual 24 Infrastructure The only infrastructure required for operating the transceiv er and linking the sites is Pow er and Data/Signal connection to the peripheral netw orking equipment. This must be ready prior to the airlink installation . IN OUTDOOR INSTALLATIONS, USE SHIELDED AND WEATHERPROOF[...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual 25 A simple power loss test can inform us about the condition of the fibers. This tes t consists in measuring (with an optical power meter) the output power at one end of the tested fiber when a fiber s ource is connected at the other end. If the values are in dB m, the difference between th[...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual 26 Bench T est It is alw ay s easier and more convenient to locat e a failure and solv e a problem in a lab on a bench than on a roof under bad conditions. A ccordingly , it is strongly recommended to perform a bench test with all the modules prior to installation in order to check the equip[...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual 27 Table 6: DIP Switch Setting for TereS cope TS700/155 T S800/155 Function OFF ON OFF ON Fast Ethernet 4,5 – 1,2,3,4 – ATM/OC3/ STM1: 155 Mbps – 4,5 2,3,4 1 SMPTE 143 Mbps – 3,4 1,2 E3:34.368 Mbps 5 4 1,2,4 3 T3:44.736 4 5 2,4 1,3 OC1/S TMO:51.840 Mbps – 1,4 2,3 Cus tom ized 1 –[...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual 28 3 – TS700/G Compatibility Peripheral equipment Check the operation of the peripheral equipment connected with cables (see Configuration 1 below). Interf aces Check the specifications compatibility (type, data r ate) between the TereScope and the peripheral equipment interfaces . Test eq[...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual 29 Or F/O Cable Or F/O Cable Configu ratio n 3: (Ap plica ble to all m odels) UWIN RX TX UWIN RX TX IR link BER Tester TX RX Configu ratio n 4: (Ap plica ble to all m odels) Peripheral Equipment UWIN RX TX TX RX Peripheral Equipment UWIN RX TX TX RX IR link Workstation Workstation Configu ra[...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual 30 2. Received power 100 < OPTICAL P OWER < 1000 Expected Results The BER must be less than 10E -12 (10 -12 ) for on-g oing tests and error-free for short tests. 2 . TS700/100 Proper Display 2. Indicators I ndicator → AI R RX 100baseT Position ↓ Flag TX Flag T X Alignment Loopback [...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual 31 Figure 5.1a: JMP-L Installation This chapter show s how to mount the TereScope and and accessories at the site ( see A ppendix D for the required mat erial). See Unpacking Instructions in Appendix C . CAUTION : TereScope must be mounted in the horizontal position only; max angle 45 o Acce[...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual 32 Fi g . 5.3a: Rear door fix a tion Fi g . 5.3b: Rear door fixed Figure 5.2: TereScope Parts – External view Table 9: TereScope Parts Part Description Part Description A Scre w for Grounding H(x5) Door lock Captive Screws B Right-Lef t Fine Alignment Scr ews I Door Axis C Up-Down Fine Ali[...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual 33 Fi g . 5.4: Mountin g kit Fi g . 5.5: Mountin g kit – To p view Fi g . 5.6: Mountin g kit – Back view Fi g . 5.7: Mountin g kit – Side view Fi g ures 5.7a – 5.7b: Mountin g kit – detailed views Fi g . 5.8a Fi g . 5.8b Fi g . 5.8c AIMING HEAD ADJUSTMENT AND LOCKS: B: Right-Left ([...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual 34 The Installer Tool Kit (JITK-L) The JITK-L tool kit includes the work tools required for opening and closing nuts and screws of the TereScope for optimal installation. It is recommended that these tools be used. MRV supplies this tool kit with each TereScope head. In addition to the tool [...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual 35 2- Mounting the accessories ) Horizontal surfaces (parapet, ...): Figure 5.11: TereScope Detached from the Aimi ng Head G2 (x2) JMP-L Aiming Head Figure 5.12: Aim ing Head Cradle for TereSc ope Head CAUTION! Do not loosen Screws M (x8). F2 (x2) N: Gr ounding screw on T S T here are three [...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual 36 THE J MP-L SHOULD BE ORIENT ED IN SUCH A W AY THAT THE GROUNDING SCREW IS LOCATED ON THE BAC K (CLOS E TO THE INS TALLER) AND THE FRONT FACING THE OPPOSITE SI TE. ) Vertical surfaces (wall, rectangular column, ...): No t e For more convenience it is suggested to as semble the 3 parts of t[...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual 37 To use the floor, a very stable tower standing on the floor is required. The transceiver will be fixed on the top of the tower. Two techniques using a small concrete block are suggested for stabilizing the tower on the floor. • The concrete slab material is poured directly on the base o[...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual 38 No t e The Tower M ount and the Clamping Plate are not provided with the equipment and should be supplied by the installer. 3- Attachment of the Transceiver (TereScope Head) After securely attaching JMP-L to the mounting surface choose one of the three possible directions for installation[...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual 39 1 – Make sure that t he power cable is disconnected from the electr ical power source. 2 – Undo the five screws H -- see Figure 6.1. Holding the Rear Door, Pull the door, turn it clockwise ¼ of a turn around the axis (I), so that a s crew will be opposite hole ”O”. Fixe the door [...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual 40 Fi g . 6.8a and 6.8b: Screws for coarse ali g nment Transceiver Alignment General Point-to-point connections require face-to-face orientation of both transceiving ends of the link. With wireless optical links, the beam spot should be positioned symmetrically on the remote r eceiver, as ac[...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual 41 Fi g . 6.9: Telesco p e crosshair on the o pp osite TereSco p e 2. While looking (see fig 6.9 below) through the telescope, rotate and tilt the TereScope to bring the telescope crosshairs on the left side (your right side) of the opposite TereScope. 3. Tighten firml y 4 Bolts K and D in s[...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual 42 Fine Alignment Vertical Motion Screws – Two screws (‘C’). Used for fine rotation of the TereScope in the vertical plane. Fine Alignment Horizontal Motion Screws – Two scre ws (‘B’). Used for fine rotation of the TereScope in the horizontal plane.. Note # Two installe rs are re[...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual 43 Fi g . 6.15a and 6.15b: Al i g nm ent screws Repeat this process for the vertical positioning (middle of segment [V1,V2]). H1 H2 V1 V2 Once the position is reached, tighten firmly the 4 Fine Locking Screws (2xF2, 2xF1 and G1). Repeat this procedure interchanging roles with the second inst[...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual 44 Captive Screws H Link Oper ating Test Set back the Mode Select Dip-Switch on the Normal position (the Alignment indicator should switch OFF (if exists depending on the model)). At both sites, connect with fiberoptic or STP cables coming from the peripheral equipment to the fiberoptic or c[...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual 45 Fig. 6.17: Mounted TereScope – Left View Fig. 6.18: Mounted TereScope – Back View Fig. 6.19: Mounted TereScope – Front View[...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual 46 Maintenance Periodic V isits Periodic visits (every three/six months, depending on the installation environment) should be planned for: • Checking the display • Checking the mounting • Cleaning the optical aperture of the trans ceivers • Cleaning the building windows for indoors i[...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual 47 Product Specifications ) high speed Light ( 700/155 TS Part Number Model TS155/A/YUW / VS TS700/155 A pplication / Data Protocol T3, E3, Fas t Ethernet and ATM Performa nce Rate 1-155 Mbps Range (1) @ 3dB/km 880 m @ 5dB/km 770 m @ 10dB/km 600 m @ 17dB/km 480 m @ 30dB/km 360 m Minimum Rang[...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual 48 TS700/100 (Fast-Ethernet Light) Part Number Model TS100/A/FET /VS TS700/100 A pplication / Data Protocol Fast Ethernet Performa nce Rate 100 Mbps Range (1) @ 3dB/km 880 m @ 5dB/km 770 m @ 10dB/km 600 m @ 17dB/km 480 m @ 30dB/km 360 m Minimum Range 10 m Bit Error Ra te Less than 1E-12 ( un[...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual 49 TS800/155 (high speed Light) Part Number Model TS155/C2/YUW /VS or T S155/C2/YUW /FS TS800/155 or T S800/155-F A pplication / Data Protocol Fast Ethernet, AT M, OC3,ST M1, SMPTE, E3, T3, O C1/STM0 & Open Protocol Performa nce Rate 1-155 Mbps Range (1) @ 3dB/km 1900 m @ 5dB/km 1600 m @[...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual 50 TS700/G (Giga-Light) Part Number Model TS1000/A/YUW / VS TS700/G A pplication / Data Protocol Gigabit-Ethernet, Fiber Channel Performa nce Rate 1.0625Gbps & 1.25 Gbps Range (1) @ 3dB/km 1000 m @ 5dB/km 900 m @ 10dB/km 690 m @ 17dB/km 540 m @ 30dB/km 400 m Minimum Range 40 m Bit Error [...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual 51 Digital Readout vs. Distance These tables ar e only intended to give you an idea of what digital r eadout you could expect according to the distance to link. D= Distance [m] R= Reading (Digital readout) D 50 100 150 200 250 300 350 400 450 500 550 600 650 700 R 560 520 420 360 300 240 180[...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual 52 Unpacking Instructions for TereScope The TereSc ope is shipped pre-assembl ed. See fig.C 2 1. Unpack all the accessori es. 2. .Before mounting, in order to make installation on the mounting surface easier, the JMP-L mus t first be detached and connected to the fixation surface. To detach [...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual 53 Tool Kit, Equipment, and Materials TOOLS 1. Elec tric drill (im pact for masonr y ), reversible, with speed control and 0- 13mm chuck 2. Dr ills set High Speed Steel (HSS) 3- 13mm . 3. Conc rete carbide .bit drills 6,8,9 and 10mm (regular and long shank ). 4. Adj ustable (cres cent) wrenc[...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual 54 A LIST OF THE TOOL S SUPP LIED BY MRV COMMUNICATIONS WITH EVERY T ereScope HEAD Description Qty Where to use a. WRENCH #8 for Aiming Head, (M5 nut) 1 N: Grounding screw on TereScope (see page 29) (Also for rear door axe : I) b BALLDRIVE R L, WRENCH 5mm for Allen Screw M6 1 F1 and F2: Scre[...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual 55 TereScopes Bench Test Procedure Introduction All TS Products are bench tested indoors prior to outdoor installation to ensure that the syst em is fully functional. The bench test is a simple procedure whereby a link pair is aligned on the table and activated to simulate a channel of commu[...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual 56 allows for testing each transmitter separately. By rota ting the devices 45 degrees, the next pair of transmitters is tested. Hence, testing all 8 transmitters in the link pair requires only 4 rotations. In the 8” setup, the two devices ar e not centrally aligned; instead, only one corn[...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual 57 Figure E.3: Acti ve Transmitters (Sho wn Darkened). Figure E.2b : Bench Te st setup drawing for 10” TS model. Note that one d evice is higher tha n the other and shifte d over to the sid e so that only o ne transm itter from each device is facing opposite the other device’s receiver. [...]

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MR V Co mm unica tions , In c. – Inst allat ion Ma nual 59 Ef fect of Wind on T erescopes I ntroduction The outdoor environment in which our devices are nor mally placed exposes the link to wind pressur es that may affect the accuracy of the link’ s alignment. Several f actors play a role in the deter mination of the extent to which the dir ect[...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual 60 Appendix G FSO Chaining What is Chaining? The Chaining of FSO is required when the two sites are connected by more than one link using at least one additional building as a mid-point. When is the Chaining required? The Chaining of FSO links is required in the following cases: a) When t he[...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual 61 Indirect Chaining Direct Chaining Chaining Limits The number of links that can be chained is limited due to the Jitter parameter. Sensitivity to jitter is different for every protocol and can var y with different manufacturers. T he typical number is 3- 4 chained links. If more chains are[...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual 62 FSO products & Chaining Product series Chaining No of chained links TS155-PS (34-155 Mbps) Direct 3-4 TS 34 (Open Protocol, 1-34 Mbps) Indirect 3-4 TS 10 (Ethernet) Direct 3-4 TS Mux (Mux 4E1, 4T1) Direct No Limits* TS 2 (E1, T1) Direct No Limits* *No Limits – it refers to Networkin[...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual 63 APPENDIX H Installation Log D.1. Client / Dealer details Customer Dealer Company Name Address City Country Contact Person Tel Fax e-mail D.2. Application details Ty pe of network E1 , Ethernet , Token Ring , Fast Ethernet , FDDI , ATM , Other (S pecify ) Product Evaluated distance by cust[...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual 64 D.4. Site survey Done by Customer representati ve Distance Date Site A Site B Location Floor Orientation (NSEW) I nstallation site sche me I ndoor / Outdoor Plate J MP / Bracket JMB Window attenuation On-line UPS Voltage required (110V / 230V) Ground earthing Radio antenna field Associate[...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual 65 D.5. Installation Done by Customer representati ve Date Site A Site B Sy stem model Serial number L ocation : Same as site survey , if not provide details Accessories : Same as site survey , if not provide details Digital readout Telescope c alibration : if cannot , sketch the telescope v[...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual 66 D.6. System failure Visit made by Customer representati ve Date Site A Site B Sketch of telescope view Digital readout Failure detail Action items Visit made by Customer representati ve Date Site A Site B Sketch of telescope view Digital readout Failure detail Action items[...]

MR V Co mm unica tions , In c. – Inst allat ion Ma nual 67 APPENDIX I Power over Ethernet The Power-over-Ethernet (PoE) option is available only for Low Voltage TereScope model 700/100 . PoE eliminates a separate DC power s upply cable at each Access P oint (AP) location, i.e., it allows f or a single Ethernet cable providing both data and power [...]