T3 Or E3 Pim - Juniper J-series Services Router J4350 Getting Started Manual

For alarms, see the configuring and monitoring alarms information in the J-series
Services Router Administration Guide.

T3 or E3 PIM

The T3 (also known as DS3) PIM (Figure 32 on page 59) and E3 PIM
(Figure 33 on page 59) provide a physical connection to T3 or E3 network media
types. The T3 and E3 PIMs include one physical T3 or E3 port with an integrated
data service unit (DSU).
Figure 32: T3 PIM
Figure 33: E3 PIM
The T3 and E3 PIMs provide the following key features:
For pinouts of cable connectors for T3 and E3 PIMs, see "E3 and T3 BNC Connector
Pinout" on page 238.
To install or remove a PIM, see "Replacing a PIM" on page 172.
Status LEDs indicate port status. Table 28 on page 60 describes the meaning of the
LED states.
Onboard network processor
Integrated DSU—Eliminates the need for a separate external device
Subrate and scrambling options with support for major DSU vendors
Independent internal and external clocking system
Loopback (payload–supported only on T3 PIM, local, and remote), bit error rate
test (BERT), and T3 far-end alarm and control (FEAC) diagnostics
Chapter 3: PIM and VoIP Module Overview
Field-Replaceable PIMs
59