Cisco Systems MGX 8240 manual

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Table of contents for the manual

  • Page 1

    CHAPTER 2-1 Cisco MGX 8240 Hardware User’s Guide Release 3.0, Part Number 78-10728-01, July 2000 2 Description Physical Description The MGX 8240 shelf is a multi-slot chassis, supporting multiple PSM cards and their associated interface I/O assemblies. The shelf is designed as an inte grated unit containing the following: • 16-slot card cage (1[...]

  • Page 2

    2-2 Cisco MGX 8240 Hardware User’s Guide Release 3.0, Part Number 78-10728-01, July 2000 Chapter 2 Description Figur e 2-1 MGX 8240 Fr ont V iew Physical Interfaces & Specifications This section describes the types of physical interfaces supported by the MGX 8240. T able 2-1 lists the switch physical interfaces under dif ferent conditions. T [...]

  • Page 3

    2-3 Cisco MGX 8240 Hardware User’s Guide Release 3.0, Part Number 78-10728-01, July 2000 Chapter 2 Description T able 2-2 shows the dimensions of an unmounted MGX 8240 unit. RS232 Serial Ports for CLI. 16 16 1 10/100BaseT Ethernet Ports for network management 1 T able 2-1 Switc h Ph ysical Interf aces Suppor ted Physical Interface Number of Ports[...]

  • Page 4

    2-4 Cisco MGX 8240 Hardware User’s Guide Release 3.0, Part Number 78-10728-01, July 2000 Chapter 2 Description Figur e 2-2 MGX 8240 Ph ysical Dimensions The shelf is designed to be center-mounted in a standard telecom 23-inch relay rack. T wo chassis can be mounted in a standard 7-foot conf iguration. There should be at least 5” betweenthe two [...]

  • Page 5

    2-5 Cisco MGX 8240 Hardware User’s Guide Release 3.0, Part Number 78-10728-01, July 2000 Chapter 2 Description Figur e 2-3 Slot Designation (Fr ont V iew) The PSM slots are numbered 1 through 16 (from left to right) on the bottom of the card cage. Slot 1: • Reserved for common equipment purposes (the IMC card). • Divided into tw o slots (A an[...]

  • Page 6

    2-6 Cisco MGX 8240 Hardware User’s Guide Release 3.0, Part Number 78-10728-01, July 2000 Chapter 2 Description Fan Trays The MGX 8240 incorporates three fan trays. Each fan tray: • Is a self-contained card installed from the front of the shelf. • Contains three fans. • Is hot-swappable for ease of servicing. • Has a bi-colored LED to show[...]

  • Page 7

    2-7 Cisco MGX 8240 Hardware User’s Guide Release 3.0, Part Number 78-10728-01, July 2000 Chapter 2 Description Figur e 2-4 Air Flow Power Module The DC input module provides the follo wing features: • Integral On/Of f Switch with Circuit Break er . • EMI Filtering. • T erminal Block for A and B Power , A and B Power R TN, and a single Chass[...]

  • Page 8

    2-8 Cisco MGX 8240 Hardware User’s Guide Release 3.0, Part Number 78-10728-01, July 2000 Chapter 2 Description PSM Module and Faceplates On the chassis, faceplates on each PSM card provide EMI protection and visual indicators as to the card’ s status. The PSM faceplate has LED indicators to display alarm status (see Figure 2-5). Unused slots ha[...]

  • Page 9

    2-9 Cisco MGX 8240 Hardware User’s Guide Release 3.0, Part Number 78-10728-01, July 2000 Chapter 2 Description Figur e 2-5 PSM Modules (Fr ont V iew) LED Indications The LEDs indicate the following : • Critical—On a Critical Event, this LED goes from green to red. • Major—On a Major Event, this LED goes from green to red. • Minor—On a[...]

  • Page 10

    2-10 Cisco MGX 8240 Hardware User’s Guide Release 3.0, Part Number 78-10728-01, July 2000 Chapter 2 Description • Redundant Switch Over—applies only to Primary PSM modules. It indicates that the Backup PSM has switched out this primary . T o indicate that the module is switched out, this LED goes from green to yellow . • The RS232/RJ11 conn[...]

  • Page 11

    2-11 Cisco MGX 8240 Hardware User’s Guide Release 3.0, Part Number 78-10728-01, July 2000 Chapter 2 Description The PSM I/O module provides e xternal connecti vity (physical termination) on behalf of a PSM module. The PSM I/O module normally connects to the PSM module across the midplane in the same slot position. If a PSM module fails, the I/O m[...]

  • Page 12

    2-12 Cisco MGX 8240 Hardware User’s Guide Release 3.0, Part Number 78-10728-01, July 2000 Chapter 2 Description • Three DS3 (BNC) connectors for channelized DS3 service interfaces. • T wo OC3 connectors (second connector used for SONET 1+1 APS) for A TM trunk. • RS232/RJ45 Console port for CMDR. IMC Card The Integrated Management Controller[...]

  • Page 13

    2-13 Cisco MGX 8240 Hardware User’s Guide Release 3.0, Part Number 78-10728-01, July 2000 Chapter 2 Description Figur e 2-7 IMC Module (F aceplat e and I/O) The IMC I/O card has an RJ45 Connector for the Shelf Ethernet Interface, an RJ45 Connector for the Shelf RS232 console interface, a 15-pin connector for the 4 alarm relay contacts, and 2 BITS[...]

  • Page 14

    2-14 Cisco MGX 8240 Hardware User’s Guide Release 3.0, Part Number 78-10728-01, July 2000 Chapter 2 Description[...]