Juniper Networks J4350 - Manual (Page 54)

J4350 and J6350 Services Router Getting Started Guide
Dual-Port Serial PIM
The Dual-Port Serial PIM (Figure 12) provides a physical connection to serial
network media types through two serial interface ports.
Figure 12: Dual-Port Serial PIM
STATUS
STATUS
PORT 1
PORT 0
SERIAL SYNCH
g002329
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 185.
For alarms, see the configuring and monitoring alarms information in
the J-series Services Router Administration Guide.
For installing and removing a PIM, see “Replacing a PIM” on page 144.
Status LEDs indicate port status. Table 16 describes the meaning of the LED states.
Table 16: Status LEDs for Serial Ports
Color State Description
Green On steadily Online with no alarms or failures.
34 Field-Replaceable PIMs