Juniper Networks J4350, J6350 manual Dual-Port Serial PIM, Status LEDs for Serial Ports

Chapter 3: PIM and VoIP Module Overview

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

Color	State	Description
Green	On steadily	Online with no alarms or failures.
Red	On steadily	Active with a local alarm. The router has
		detected a failure.
Unlit	Off	Offline.

For alarms, see the configuring and monitoring alarms information in the J-series Services Router Administration Guide.

Field-Replaceable PIMs ■ 55