Juniper-networks E-Series Bedienungsanleitung PDF herunterladen (Seite 83)

Cabling the SRP I/O Module

E-Series Routers

6-7

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.

Note: You can use a wire-wrap gun to attach wires to pins.

2 Attach the opposite end of the external timing cable or wires to your

network’s clock source A.

3 Repeat steps 1 and 2 for the Clock B connections.

Console Ports

Note: This section applies to all E-series routers.

There are two ports located in the Console section of the SRP I/O

module (see Figure 6-2 and Figure 6-3) that allow management access.

• The 10/100Base-T Ethernet port accepts an RJ-45 (male)

connector, providing an out-of-band connection for LAN access

through a Telnet session or SNMP.

• The RS-232 port accepts a DB-9 (female) connector, allowing

direct CLI access from a console terminal.

The console port is considered a data terminal equipment

interface (DTE). Direct connection to a terminal or PC (which

also have DTE interfaces) requires a crossover cable.

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