Juniper Networks 8 manual SRP I/O Module for ERX-14xx Models

ERX 8.0.x Hardware Guide

Figure 24: SRP I/O Module for ERX-14xx Models

26-AWG wire

BNC (Europe)

Wire-wrap connectors (North America, Japan)

RJ-45

ALARMS

EXTERNAL TIMING

CONSOLE

+

MINOR -

+

MAJOR -

+

CRITICAL -

E1 75 OHM

CLOCK IN

	T
A	G
	R

T1 100 OHM

CLOCK IN

	T
B	G
	R

10/100

BASE T

RS-232

DB-9

g013750

To connect the clock source input ports:

1.Depending on the connector type, complete one of the following tasks:

E1: Attach the BNC connector to Clock A’s external timing port.

T1: Wrap the tip wire on pin marked T of Clock A’s external timing port, the ground wire on G pin, and the ring wire on R pin.

58 Cabling the SRP I/O Module