Juniper Networks J4350 - Manual (Page 63)

Physical Interface Modules Overview
Figure 20: ISDN BRI S/T PIM
g002335 STATUS PORT 3
STATUS PORT 2
STAT US PORT 1
STATUS
ONLIN E PORT 0
BRI-ST
Figure 21: ISDN BRI U PIM
g002336 STATUS PORT 3
STATUS PORT 2
STATUS PORT 1
STATUS
ONLINE
PORT 0
BRI-U
ISDN BRI PIMs provide the following key features:
Onboard network processor
Bandwidth on demand
Dial backup
Dial-on-demand routing backup (floating static and dialer watch)
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.
Field-Replaceable PIMs 43