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2-Port, 4-Port, and 8-Port Clear-Channel T3/E3 Serial SPA Overview
Table 3-33
Table 3-33
LED Label
C/A
A/L
STATUS
2-Port, 4-Port, and 8-Port Clear-Channel T3/E3 SPA Interface Specifications
The framer processes incoming and outgoing T3 (cbit, m13/m23, and unframe) and E3 (g751, g832, and
unframe) frames. The framer operates at T3/E3 line rates (44.736 Mbps/34.368 Mbps) depending on the
mode in which it is configured.
Packet data is transported with a user-configurable encapsulation (such as Point-to-Point Protocol [PPP]
or High-Level Data Link Control [HDLC]), and is mapped to T3 and E3 frames. The encapsulations add
transport overhead to the packet of data frames before transporting, and are stripped when a packet is
transported to the far end.
The T3/E3 SPA interface is compliant with ANSI and Telco standards. The interface also provides
support for Management Information Base (MIB) RFC 2496 and T1.231.
2-Port, 4-Port, and 8-Port Clear-Channel T3/E3 SPA Cables and Connectors
The interface connectors on the 2-Port, 4-Port, and 8-Port Clear-Channel T3/E3 SPA are 75-ohm coaxial
1.0/2.3 cables that are specific to the T3/E3 SPA, with one connector and cable for transmit (TX) and
one for receive (RX).
Cisco ASR 1000 Series Aggregation Services Routers SIP and SPA Hardware Installation Guide
3-56
describes the 2-Port, 4-Port, and 8-Port Clear-Channel T3/E3 SPA LEDs.
2-Port, 4-Port, and 8-Port Clear-Channel T3/E3 SPA LEDs
Color
State
Off
Off
Green
On
Amber
On
Off
Off
Green
On
Amber
On
Off
Off
Green
On
Amber
On
Chapter 3
Overview: Cisco ASR 1000 Series Aggregation Services Routers SPAs
Meaning
Port is not enabled by software.
Port is enabled by software, and there is a valid E3 or T3
signal without any alarms.
Port is enabled by software, and there is at least one alarm.
Port is not enabled by software.
Port is enabled by software, and loopback is off.
Port is enabled by software, and loopback is on.
SPA power is off.
SPA is ready and operational.
SPA power is on and good, and the SPA is being configured.
OL-14126-15
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Troubleshooting
