Cisco Systems UBR-3X10 manual Led, Function, During line card operation, Console port

Chapter 1 Cisco uBR-3x10 RF Switch Overview

Hardware Component Descriptions

Figure 1-4 Ethernet Controller PCB Module

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4
3
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5	95645

1	Transmit (TX) and receive (RX) LEDs	4	Status LEDs (SYS, ERR, ACT, LNK)
2	EAI/TIA–232 connection	5	Captive screws
3	RJ–45 connection

Table 1-1describes the Ethernet controller’s LEDs.

Table 1-1	Ethernet Controller LEDs
LED		Function
SYS		Indicates that the Ethernet controller is enabled for operation in the system. This LED
		flashes while the RF switch is booting, and remains on during normal operation.
ERR		Indicates that a serious error has occurred either while booting the RF switch, or
		during line card operation.
ACT		Indicates that there is activity over the 10BASE-T Ethernet RJ-45 interface. This LED
		flashes as transmit/receive activity occurs.
LNK		Indicates that the Ethernet port has established a valid link with the network.
TX		This LED flashes as the Ethernet controller transmits data via the EIA/TIA-232
		console port.
RX		This LED flashes as the Ethernet controller receives data via the EIA/TIA-232
		console port.

Cisco uBR-3x10 RF Switch Hardware Installation and Cabling Guide

1-6 OL-1984-06