Cisco XR 12000 Series - Manual (Page 35)

2-5
Cisco XR 12000 Series Router SIP and SPA Hardware Installation Guide
OL-17438-04
Chapter 2 Overview: Cisco XR 12000 Series Router Shared Port Adapters
2-Port and 4-Port T3/E3 Serial SPA Overview
2-Port and 4-Port T3/E3 Serial SPA Overview
The following sections describe the 2-Port and 4-Port Clear Channel T3/E3 SPA:
• 2-Port and 4-Port Clear Channel T3/E3 SPA LEDs, page 2-5
• 2-Port and 4-Port Clear Channel T3/E3 SPA Interface Specifications, page 2-6
• 2-Port and 4-Port Clear Channel T3/E3 SPA Cables and Connectors, page 2-6
2-Port and 4-Port Clear Channel T3/E3 SPA LEDs
The 2-Port and 4-Port Clear Channel T3/E3 SPA has three types of LEDs: two LEDs for each port on
the SPA, and one STATUS LED, as shown in
Figure 2-1 .
Figure 2-1 4-Port Clear Channel T3/E3 SPA Faceplate
Table 2-3 describes the 2-Port and 4-Port Clear Channel T3/E3 SPA LEDs.
1-Port 10-Gigabit Ethernet DWDM SPA 10 Gbps 1 10 Gbps
1-Port 10-Gigabit Ethernet WAN PHY SPA 10 Gbps 1 10 Gbps
1. Total bandwidth value assumes eight OC-12/STM-4 optics modules.
Table 2-2 SPA Bandwidth Capacity (continued)
SPA
Per-Port Bandwidth
Number
of Ports Total Bandwidth
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
ST
ATUS
SPA-4XT3/E3
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 116851
Table 2-3 2-Port and 4-Port Clear Channel T3/E3 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 E3 or T3
signal without any alarms.