Juniper J4350 Getting Started Manual page 63

Figure 20: ISDN BRI S/T PIM
Figure 21: ISDN BRI U PIM
ISDN BRI PIMs provide the following key features:
For pinouts of cable connectors for ISDN PIMs, see "ISDN RJ-45
Connector Pinout" on page 199.
For installing and removing a PIM, see "Replacing a PIM" on page 144.
ISDN LEDs indicate PIM and port status. Table 22 describes the
meaning of the LED states.
Onboard network processor
Bandwidth on demand
Dial backup
Dial-on-demand routing backup (floating static and dialer watch)
Physical Interface Modules Overview
Field-Replaceable PIMs
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