Juniper Networks J2350 Network Router User Manual


 
Dual-Port Serial PIM
The Dual-Port Serial PIM (Figure 28 on page 55) provides a physical connection to
serial network media types through two serial interface ports.
Figure 28: Dual-Port Serial PIM
The Dual-Port Serial PIM provides the following key features:
Onboard network processor
Autoselection of operation modes based on data terminal equipment (DTE) or
data communication equipment (DCE) cables
Local and remote loopback diagnostics
Configurable clock rate for the transmit (Tx) clock and receive (Rx) clock
For pinouts of cable connectors for serial PIMs, see Serial PIM Cable
Specifications on page 223.
To install or remove a PIM, see Replacing a PIM on page 172.
Status LEDs indicate port status. Table 25 on page 55 describes the meaning of the
LED states.
Table 25: Status LEDs for Serial Ports
DescriptionStateColor
Online with no alarms or failures.On steadilyGreen
Active with a local alarm. The router has
detected a failure.
On steadilyRed
Offline.OffUnlit
For alarms, see the configuring and monitoring alarms information in the J-series
Services Router Administration Guide.
Field-Replaceable PIMs 55
Chapter 3: PIM and VoIP Module Overview