Module Details; Line Modules - Juniper E Series Hardware Manual

Module Details

The SRP module provides standard craft management interfaces, including:
For details about installing the SRP I/O module, see "Installing Modules" on page 35.

Line Modules

Line modules process data from different types of network connections. For
information about available line modules and which SRP modules support
specific line modules, see the E-series Module Guide.
Figure 14 shows a representative line module. For details about installing
line modules, see "Installing Modules" on page 35.
10/100Base-T—Enables access to the E-series router for Ethernet management
functions via CLI or SNMP, for example.
RS-232—Provides a serial connection for monitoring the system's hardware
configuration through a PC (running terminal emulation software) or ASCII
terminal. Allows direct CLI access.
Alarm contacts—Provide for remote indication of critical, major, and minor
E-series router alarms (ERX-7xx/14xx models only; currently not implemented)
External timing inputs—Provide a method of ensuring that the clock timing
used by the E-series router remains synchronized with the network's system
clock. BNC connectors and wire wraps are available for ERX-7xx/14xx models
only.
E-series Overview
15
E-series Modules