Chapter 5

Cabling ERX Routers
This chapter describes how to cable an ERX router. Before you cable the router,
ensure that you have completed all installation instructions identified in previous
chapters.
This chapter contains the fol lowing sections:
Cabling Overview on page 53
RequiredTools, Wires, and Cables on page 55
Cabling the SRP I/O Module on page 56
Cabling the Router forPower on page 60
Cabling I/O Modules on page 66
The Next Step on page 72

Cabling Overview

Cabling an ERX router requires the following main tasks:
1. Familiarizeyourself with the module ports, and ensure that you have the cables
and wires needed to complete each cabling procedure. (See Figure 23.)
2. Read and understand all safety warnings. (See “Installation Guidelines and
Requirements” on page 129.)
3. (Optional) Connect timing ports.
4. Connect the SRP I/O module to the network and to a management console.
5. Connect grounding wiresto the router chassis.
6. Connect the power cables fromthe power source to the power input module.
7. Connect the line I/O modules to their appropriate network interface.
Cabling Overview 53