Cisco Systems 1500 Optical Connectors of the RSM, Label Color Description, Label1 Description

Chapter 1 Product Overview

System Modules

Four LEDs indicate the status of the RSM. Table 1-6 describes these LEDs.

Table 1-6 RSM LED Descriptions

Label	Color	Description
On	Green	Power is on. No error is detected.
	Red,	A hardware error is detected.
	continuous
	Red,	Loss of signal is detected on both remote lines of the RSM.
	blinking	Both remote lines are broken or a hardware error is
		detected.
A	Green	Line A is active.
	Green,	Line A is inactive. A takeover of the communication is
	blinking	possible.
	Red	Line A is broken and active.
	Red,	Line A is broken and inactive.
	blinking
B	Green	Line B is active.
	Green,	Line B is inactive. A takeover of the communication is
	blinking	possible.
	Red	Line B is broken.
Lk	Yellow	RSM is locked to one line. No automatic switching is
		possible.

Optical Connectors of the RSM

Table 1-7 lists the six optical connectors of the RSM. Figure 1-13 shows the front panel of the RSM and its optical connectors.

Table 1-7 RSM Optical Connector Descriptions

	Label1	Description
	A/T	Line A transmitter
	A/R	Line A receiver
		Cisco Metro 1500 Series Hardware Installation Guide
78-10588-03			1-29