Juniper Networks J-series Services Router J2320 - Manual (Page 85)

Figure 37: ISDN BRI U PIM
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 239.
To install or remove a PIM, see “Replacing a PIM” on page 172.
ISDN LEDs indicate PIM and port status. Table 31 on page 63 describes the meaning
of the LED states.
Table 31: LEDs for ISDN BRI S/T and U PIMs
Description State Color Label
Call setup is successful on either the B1 or B2
channel. Blinking Green ONLINE
ISDN Layer 2 is active. On steadily Green
■ ISDN Layer 1 is active.
■ ISDN Layer 2 is unavailable.
On steadily Amber
■ BRI interface port is not connected.
■ ISDN Layer 1 is unavailable.
Disconnected Red
BRI interface is offline. Off Unlit
PIM is online and operational. On steadily Green STATUS
PIM is not operational and needs replacement. Disconnected Red
PIM is offline. Off Unlit
Field-Replaceable PIMs ■ 63
Chapter 3: PIM and VoIP Module Overview