Installing Line And I/O Modules; Installing A Line Module Or An I/O Module - Juniper E Series Hardware Manual

ERX 7.0.x Hardware Guide
7.
8.

Installing Line and I/O Modules

This section describes the procedures for installing line and I/O modules.
NOTE: Install the I/O module before you install the corresponding line module;
otherwise, the diagnostics fail and the line module's status will be "inactive"
when you issue the show version command. If this occurs, remove and reinsert
the line module.

Installing a Line Module or an I/O Module

To install a module:
1.
2.
NOTE: Line modules are in the front of the system, and I/O modules are in the
back of the system.
Table 6: Module Slot Assignments
44

Installing Line and I/O Modules

Insert the module into the backplane by simultaneously depressing both
ejectors (as shown in Figure 23) and exerting forward pressure on the module.
Tighten the module's captive screws using a Phillips screwdriver. Alternately
turn each screw several times before tightening them completely to allow
the module to sit correctly.
Ground yourself by using an antistatic wrist strap or other device.
Choose the slot where you want to insert the module.
E-series Router
ERX-1440 router
ERX-1410 router
Module Slot
Install modules other than the OC48
modules in slots 0–5 and slots 8–13
Install the OC48 line module in slots
2–3 and slots 4–5
Install the corresponding I/O module
only in the lower of the two slots
(either slot 2 or slot 4) that the line
module spans
Install modules in slots 0–5 and slots 8–13