Cisco Systems 6200 manuale d’uso

CHAPTER Cisco 6200 User Guide 1-1 1 Hardw are Descr iption This chapter provides an o vervie w of the Cisco 6200 advanced digital subscriber line access multiplex er (DSLAM) and describes the system’ s hardware components. The chapter is arranged as follows: • Cisco DSL Product Family on page 1-1 • Cisco 6200 Chassis on page 1-2 • Network T[...]

1 Hardware Description 78-5296-02 10/02/98 Cisco 6200 User Guide 1-2 The Cisco DSL family also includes a Frame Relay IDSL multiplex er , a service selection gatew ay , the Cisco 605 card, the Cisco 6100 DSLAM, and an A TM switch to aggregate Cisco 6200 traf fic. 1.2 Cisco 6200 Chassis This section describes the chassis that houses the Cisco 6200 [...]

78-5296-02 10/02/98 Hardware Description 1 Cisco 6200 User Guide 1-3 Figure 1-1 Cisco 6200 Chassis, Front Vie w 1.2.2 Bac kplane Located behind the module compartment, the backplane provides the follo wing services: • Interconnects the MPC, NTC, and SLCs • Connects the SLCs with the subscribers (local loops) or the PO TS splitter • Distribute[...]

1 Hardware Description 78-5296-02 10/02/98 Cisco 6200 User Guide 1-4 Figure 1-2 Cisco 6200 Chassis, Rear View Primar y (A) and Secondar y (B) H-Buses The backplane’ s primary and secondary H-buses (horizontal buses) link the MPC, NTC, and SLCs. In this release, the primary bus carries all traf fic. The buses operate at 160 Mbps total throughput.[...]

78-5296-02 10/02/98 Hardware Description 1 Cisco 6200 User Guide 1-5 Connections to PO TS Splitters or T elephone Lines On the inner surface of the backplane, the upper and lo wer SLC connectors connect the SLC in the corresponding slot (5 to 14) with unshielded twisted pair (UTP) lines. These lines connect to an external PO TS splitter, and from t[...]

1 Hardware Description 78-5296-02 10/02/98 Cisco 6200 User Guide 1-6 A uxiliar y P or t J40, a 9-pin female connector on the Cisco 6200 backplane, is an EIA/TIA-232 (RS-232) serial port connecting to the management processor card (MPC). J40 is an auxiliary craft port that can be used to connect de vices such as terminals, modems, or laptop computer[...]

78-5296-02 10/02/98 Hardware Description 1 Cisco 6200 User Guide 1-7 The following fixtures are present on the front panel of each PEM: • A green LED that comes on to indicate that –48 VDC power is a v ailable to the chassis • A circuit breaker Note T o turn of f a Cisco 6200 that has two PEMs, you must flip the circuit breakers on both PEM[...]

1 Hardware Description 78-5296-02 10/02/98 Cisco 6200 User Guide 1-8 T able 1-1 Cisco 6200 DSLAM Specifications T able 1-2 Standards and Certifications Specification Description Components 14-slot card compartment Backplane Fan compartment Power module compartment Power input Dual inputs, each –48 VDC T ested voltages: –48V and –57V T oler[...]

78-5296-02 10/02/98 Hardware Description 1 Cisco 6200 User Guide 1-9 1.3 Netw ork T runk Car ds (NTCs) This section describes the OC-3c and STM-1 network trunk cards (NTCs). The NTC module resides in slot 1 of the Cisco 6200 chassis. 1.3.1 What is the NTC OC-3? The NTC is a service interface module that concentrates the data traf fic from all Cisc[...]

1 Hardware Description 78-5296-02 10/02/98 Cisco 6200 User Guide 1-10 Figure 1-5 NTC OC-3 Application The optical interface performs the optical-to-electrical and electrical-to-optical con versions. Its other tasks include clock recov ery , o verhead processing, cell delineation, and diagnostic information retriev al. The upstream data transfer uni[...]

78-5296-02 10/02/98 Hardware Description 1 Cisco 6200 User Guide 1-11 The fiber optic communication channels in the single-mode OC-3c card (NTC OC3-SM) operate with laser energy , which can be harmful, especially to the eyes. During normal operation this ener gy is confined to the cable and presents no danger . T o avoid injury when you are conne[...]

1 Hardware Description 78-5296-02 10/02/98 Cisco 6200 User Guide 1-12 T able 1-3 LEDs on the NTC OC-3 LED Color Condition Indicated PO WER Green The module is receiving po wer . READ Y Green Y ellow Off The NTC is experiencing no problems. The NTC failed its po wer-on self test; it has a hardware problem. Refer to Chapter 7, “T roubleshooting. ?[...]

78-5296-02 10/02/98 Hardware Description 1 Cisco 6200 User Guide 1-13 1.3.3 NTC OC-3 Specifications T able 1-4 lists the physical and electrical specifications of the NTC. T able 1-4 NTC OC-3 Specifications 1.3.4 What is the NTC STM-1? The NTC STM-1 is a service interface module that concentrates the data traf fic from all Cisco 6200 subscriber[...]

1 Hardware Description 78-5296-02 10/02/98 Cisco 6200 User Guide 1-14 The NTC STM-1 also transmits upstream data back to the service provider via A TM on the STM-1 physical layer . The Cisco 6200 uses a fixed mapping of permanent virtual channels (PVCs) between trunk and subscriber ports. This means that no configuration of these circuits is requ[...]

78-5296-02 10/02/98 Hardware Description 1 Cisco 6200 User Guide 1-15 The upstream data transfer unit recei ves data via a 16-bit parallel input from the internal bus on the node’ s backplane. A TM cells are receiv ed from a subscriber line card (SLC) channel only after that channel has won access to the upstream data b us from the other contendi[...]

1 Hardware Description 78-5296-02 10/02/98 Cisco 6200 User Guide 1-16 Figure 1-8 NTC STM-1 Faceplates LED Indicators T able 1-5 describes the LEDs on the faceplate of the NTC STM-1. POWER A C T I V E NTC STM1-SM READY PRIME SEC A TD RD POWER A C T I V E NTC STM1-MM READY PRIME SEC A TD RD 14271 Card status LEDs T ransmit and receive LEDs Reset swit[...]

78-5296-02 10/02/98 Hardware Description 1 Cisco 6200 User Guide 1-17 T able 1-5 LEDs on the NTC STM-1 1.3.6 NTC STM-1 Specifications T able 1-6 lists the physical and electrical specifications of the NTC STM-1. LED Color Condition Indicated PO WER Green The module is receiving po wer . READ Y Green Y ellow Off The NTC is experiencing no problems[...]

1 Hardware Description 78-5296-02 10/02/98 Cisco 6200 User Guide 1-18 T able 1-6 NTC STM-1 Specifications 1.4 Management Pr ocessor Card (MPC) The Cisco 6200 is controlled and managed by the MPC. 1.4.1 Functional Description The MPC performs management and storage tasks for the Cisco 6200 DSLAM. The MPC provides • The Cisco IOS command line inte[...]

78-5296-02 10/02/98 Hardware Description 1 Cisco 6200 User Guide 1-19 The MPC runs a version of Cisco IOS software that is designed for DSL multiple xing. At startup, the MPC loads program software and configuration data from NVRAM, from a server on the network, or from a Flash card in one of its PCMCIA slots. The MPC then pro vides boot images to[...]

1 Hardware Description 78-5296-02 10/02/98 Cisco 6200 User Guide 1-20 Console P or t The console port on the MPC is a serial EIA/TIA-232 port with an RJ-45 connector . See Appendix A, “Pin Assignments, ” for pinouts. PCMCIA Slots and Ejection Buttons The MPC provides two slots for PCMCIA Flash memory cards. PCMCIA cards store system software an[...]

78-5296-02 10/02/98 Hardware Description 1 Cisco 6200 User Guide 1-21 1.4.3 MPC Specifications T able 1-8 lists the physical and electrical specifications of the MPC. T able 1-8 MPC Specifications Specification Description External Interfaces • EIA/TIA-232 console port • 10BaseT Ethernet management port Internal Hardware • MIPS R V4640 pr[...]

1 Hardware Description 78-5296-02 10/02/98 Cisco 6200 User Guide 1-22 1.5 Subscriber Line Car d (SLC) This section describes the CAP and DMT versions of the subscriber line card (SLC). A Cisco 6200 chassis can hold up to 10 SLC modules. Note All the SLCs in a Cisco 6200 chassis should be of the same type. The mixture of CAP and DMT cards in a singl[...]

78-5296-02 10/02/98 Hardware Description 1 Cisco 6200 User Guide 1-23 In the do wnstream direction, 11 rates are av ailable ranging from 640 kbps to 7.168 Mbps. In the upstream direction, 9 rates are av ailable, ranging from 91 kbps to 1.088 Mbps. The modems on the CAP SLC train in sequence, first downstream, then upstream. Each modem first acqui[...]

1 Hardware Description 78-5296-02 10/02/98 Cisco 6200 User Guide 1-24 1.5.2 SLC 8CAP: Ph ysical Description Up to 10 SLCs can be installed in a Cisco 6200 cabinet. The cabinet slots assigned to the SLCs are slot 5 through slot 14. The CAP SLC’ s faceplate is labeled SCL 8CAP . The faceplate (Figure 1-11) includes the fixtures discussed in the fo[...]

78-5296-02 10/02/98 Hardware Description 1 Cisco 6200 User Guide 1-25 T able 1-9 SLC 8CAP LEDs LED Color Condition Indicated PO WER Green The SLC is receiving po wer . READ Y Green Y ellow Off The SLC is experiencing no problems. At least one port on the SLC is in line test mode. The SLC is not communicating with the MPC. This is the case when • [...]

1 Hardware Description 78-5296-02 10/02/98 Cisco 6200 User Guide 1-26 1.5.3 SLC 8CAP Specifications T able 1-10 lists the physical and electrical specifications of the CAP SLC (SLC 8CAP). T able 1-10 SLC 8CAP Specifications Specification Description Subscriber ports 8 per card T ransmission speeds Downstream: up to 7 Mbps Upstream: up to 1 Mbps[...]

78-5296-02 10/02/98 Hardware Description 1 Cisco 6200 User Guide 1-27 1.5.4 What is the SLC 8DMT? The eight-port DMT version of the SLC (SLC 8DMT) is a hot-swappable line module that pro vides data communication between the Cisco 6200 node and up to eight subscribers. Modems on the SLC 8DMT use discrete multitone (DMT) modulation, a common method f[...]

1 Hardware Description 78-5296-02 10/02/98 Cisco 6200 User Guide 1-28 In the upstream direction, the SLC recei ves ADSL signals from a PO TS splitter and demodulates the DMT -modulated signal. Then the SLC channel contends with the other SLC channels for the upstream data bus. T wo priority le vels are av ailable. For the first Cisco 6200 release,[...]

78-5296-02 10/02/98 Hardware Description 1 Cisco 6200 User Guide 1-29 • Number of upstream cells receiv ed with in valid header checksum • Number of errored seconds (this is the number of seconds in which at least one DMT -layer CRC error , loss of signal, or sev erely errored frame is observed), both upstream and do wnstream In addition, the S[...]

1 Hardware Description 78-5296-02 10/02/98 Cisco 6200 User Guide 1-30 Figure 1-13 SLC 8DMT Faceplate Reset Switch The reset switch is recessed behind the faceplate to a void accidental acti vation. It is not for customer use. LED Indicators T able 1-11 describes the LEDs on the faceplate of the SLC. 13067 SLC 8DMT PORTS 1 2 3 4 5 6 7 POWER READY PR[...]

78-5296-02 10/02/98 Hardware Description 1 Cisco 6200 User Guide 1-31 T able 1-11 SLC 8DMT LEDs LED Color Condition Indicated PO WER Green The SLC is receiving po wer . READ Y Green Y ellow Off The SLC is experiencing no problems. At least one port on the SLC is in line test mode. The SLC is not communicating with the MPC. This is the case when •[...]

1 Hardware Description 78-5296-02 10/02/98 Cisco 6200 User Guide 1-32 1.5.6 SLC 8DMT Specifications T able 1-12 lists the physical and electrical specifications of the SLC 8DMT . T able 1-12 SLC 8DMT Specifications Specification Description Subscriber ports 8 per card T ransmission speeds Downstream: up to 8.032 Mbps Upstream: up to 864 kbps Lo[...]