T3 or e3 pim – Juniper Networks J-series Services Router J2320 User Manual
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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:
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Onboard network processor
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Integrated DSU—Eliminates the need for a separate external device
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Subrate and scrambling options with support for major DSU vendors
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Independent internal and external clocking system
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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
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Chapter 3: PIM and VoIP Module Overview