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Cisco 7600 Series Router SIP, SSC, and SPA Hardware Installation Guide
OL-5052-08
Chapter 3 Overview: Cisco 7600 Series Router Shared Port Adapters
2-Port and 4-Port OC-48c/STM-16 POS SPA
2-Port and 4-Port OC-48c/STM-16 POS SPA Interface Specifications
The physical layer interface for the 2-Port and 4-Port OC-48c/STM-16 POS SPA is Optical Carrier-48
(OC-48), and the 2-Port and 4-Port OC-48c/STM-16 POS SPA is designed to comply with ATM
specifications. The 2-Port and 4-Port OC-48c/STM-16 POS SPA provides one 2.488-Gbps ATM
network interface for all supported platforms.
Each port on the 2-Port and 4-Port OC-48c/STM-16 POS SPA has one duplex LC-type receptacle that
allows connection to single-mode optical fiber.
2-Port and 4-Port OC-48c/STM-16 POS SPA Cables, Optical Transceiver
Modules, and Connectors
Use single-mode (for intermediate-configurations) optical fiber cable to connect your router to a network
or to connect two OC-48-equipped routers back-to-back.
The 2-Port and 4-Port OC-48c/STM-16 POS SPA supports the following types of optical transceiver
modules:
•
Single-mode short reach (SR) SFP module—SFP-OC48-SR OC48/STM16c
Table 3-15
2-Port and 4-Port OC-48c/STM-16 POS SPA LEDs
LED Label
Color
State
Meaning
PTH
Off
Off
Port is not in pass-through mode.
Amber
On
Port is
in pass-through mode.
CAR
Off
Off
Port is not enabled by software.
Green
On
Port is enabled by software, and there is a valid
SONET signal without any alarms.
Amber
On
Port is enabled by software, and there is at least
one alarm.
Amber
Flashing
Port is enabled by software, and there is a side
mismatch.
PRT
Off
Off
Port is not in wrap mode or steer.
Green
On
A node on the ring is wrapped.
Green
Flashing
A node on the ring is steering pass-through
Amber
On
Port is locally wrapped
Amber
Flashing
Port is locally steering
ACT
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.
