J2320, J2350, J4350, and J6350 Services Router Getting Started Guide

Maximum MTU value of 4500 bytes (for channelized T1 or E1 interface) and 4098 bytes (for ISDN PRI services)

NOTE: For a clear-channel T1 or E1 interface, the maximum MTU is 9150 bytes.

56-Kbps and 64-Kbps modes

ANSI T1.102, T1.107, and T1.403 standards compliance

G.703, G.704, and G.706 E1 standards compliance

Independent internal and external clocking system

Loopback, bit error rate test (BERT), T1 facilities data link (FDL), and long buildout diagnostics

For pinouts of cable connectors for channelized T1/E1/ISDN PRI PIMs, see “ISDN

RJ-45 Connector Pinout” on page 239.

To install or remove a PIM, see “Replacing a PIM” on page 172.

Channelized T1/E1/ISDN PRI LEDs indicate PIM and port status. Table 27 on page 58 describes the meaning of the LED states.

NOTE: The STATUS LED displays channelized T1 or E1 port activity and alarms only. It does not display ISDN PRI B-channel or D-channel status.

Table 27: LEDs for Channelized T1/E1/ISDN PRI PIMs

Label

Color

State

Description

ONLINE

Green

On steadily

PIM is online and

 

 

 

operational.

 

Unlit

Off

PIM is not online.

STATUS

Green

On steadily

Port is online with no

 

 

 

alarms or failures, and

 

 

 

the physical layer is

 

 

 

active.

 

Red

Online

Port is active with a

 

 

 

local alarm. The

 

 

 

router has detected a

 

 

 

failure and the

 

 

 

physical layer is

 

 

 

inactive.

 

Yellow

Online

Port is online with

 

 

 

alarms for remote

 

 

 

failures.

 

Unlit

Offline

Port is disabled.

58Field-Replaceable PIMs

Page 80
Image 80
Juniper Networks J6350, J4350 manual LEDs for Channelized T1/E1/ISDN PRI PIMs, Label Color State Description