Cisco uBR-3x10 Hardware Installation And Cabling Manual page 20

Hardware Component Descriptions
Figure 1-4
1
1 Transmit (TX) and receive (RX) LEDs
2
EAI/TIA–232 connection
3 RJ–45 connection
Table 1-1
Table 1-1
LED
SYS
ERR
ACT
LNK
TX
RX
Cisco uBR-3x10 RF Switch Hardware Installation and Cabling Guide
1-6
Ethernet Controller PCB Module
5
4
3
2
5
describes the Ethernet controller's LEDs.
Ethernet Controller LEDs
Function
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.
Indicates that a serious error has occurred either while booting the RF switch, or
during line card operation.
Indicates that there is activity over the 10BASE-T Ethernet RJ-45 interface. This LED
flashes as transmit/receive activity occurs.
Indicates that the Ethernet port has established a valid link with the network.
This LED flashes as the Ethernet controller transmits data via the EIA/TIA-232
console port.
This LED flashes as the Ethernet controller receives data via the EIA/TIA-232
console port.
Chapter 1 Cisco uBR-3x10 RF Switch Overview
4 Status LEDs (SYS, ERR, ACT, LNK)
5
Captive screws
OL-1984-06