3-5
Catalyst 6500 Series Switch SIP, SSC, and SPA Hardware Installation Guide
OL-9041-04
Chapter 3 Catalyst 6500 Series Switch SPA Overview
2-Port and 4-Port Channelized T3 SPA Overview
2-Port and 4-Port Channelized T3 SPA LEDs
The 2-Port and 4-Port Channelized T3 SPA has three types of LEDs. There are two LEDs for each port
on the SPA, and one STATUS LED.
Figure 3-1 shows an example of these LEDs on a 4-Port Channelized
T3 SPA.
Figure 3-1 4-Port Channelized T3 SPA Faceplate
Table 3-3 describes the 2-Port and 4-Port Channelized T3 SPA LEDs.
2-Port and 4-Port Channelized T3 SPA Interface Specifications
The framer processes incoming and outgoing T3 frames (cbit, m13/m23, and unframe). The framer
operates at T3 line rates (44.2 Mbps).
1 C/A (Carrier/Alarm) LED 4 RX (Receive) connector
2 A/L (Active Loopback) LED 5 STATUS LED
3 TX (Transmit) connector
C/A
TX
RX
1
STATUS
SPA-4XCT3/DS0
0
A/L
C/A
TX
RX
A/L
C/A
TX
RX
2
A/L
C/A
TX
RX
3
A/L
1
2
3 4 5
116854
Ta b l e 3-3 2-Port and 4-Port Channelized T3 SPA LEDs
LED Label Color State Meaning
C/A Off Off Port is not enabled by software.
Green On Port is enabled by software, and there is a valid T3 signal
without any alarms.
Amber On Port is enabled by software, and there is at least one alarm.
A/L Off Off Port is not enabled by software.
Green On Port is enabled by software, loopback is off.
Amber On Port is enabled by software, loopback is on.
STATUS Off Off SPA power is off.
Amber On SPA power is on and good, and SPA is being configured.
Green On SPA is ready and operational.