Juniper Networks J4350, J6350 manual T3 or E3 PIM, T3 PIM

Chapter 3: PIM and VoIP Module Overview

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:

■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

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.

Field-Replaceable PIMs ■ 59