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Modification
Release
Added information about support for the ATM mode
on clear-channel E3 for the SPA-2CHT3-CE-ATM.
Cisco IOS XE Release 3.5.0S
Added information about support for the circuit
emulation (CEM) mode in the 2-Port Channelized
T3/E3 ATM CEoP SPA.
Cisco IOS XE Release 3.6.0S
For more information pertaining to the restrictions about Circuit Emulation SPAs, see the
“
SIP and SPA
Product Overview
”
chapter in the
Cisco ASR 1000 Series Hardware Installation Guide
.
Note
Overview
The SPA-1CHOC3-CE-ATM and SPA-24CHT1-CE-ATM are single-width, single-height, cross-platform
Circuit Emulation over Packet (CEoP) SPAs for the Cisco ASR 1000 Series Routers. The
SPA-2CHT3-CE-ATM is also a single-width, single-height but supports only the ATM.
CEoP SPAs are available in the following models:
•
2-Port Channelized T3/E3 ATM CEoP SPA (SPA-2CHT3-CE-ATM)
•
24-Port Channelized T1/E1 ATM CEoP SPA (SPA-24CHT1-CE-ATM)
•
1-Port Channelized OC-3 STM1 ATM CEoP SPA (SPA-1CHOC3-CE-ATM)
The following table describes the features supported on different types of circuit emulation (CEM) SPAs.
Table 49: Circuit Emulation SPA Types and Feature Compatibility Matrix
Feature Supported
Cisco IOS XE Release in which
SPA Introduced
Circuit Emulation (CEM) SPA Type
Supports only the CEM mode.
3.3.0S
SPA-1CHOC3-CE-ATM
Supports only the CEM mode.
3.4.0S
SPA-24CHT1-CE-ATM
Supports only the T3 ATM mode.
3.4.0S
SPA-2CHT3-CE-ATM
Supports the E3 ATM mode.
3.5.0S
SPA-2CHT3-CE-ATM
Supports the CEM mode.
3.6.0S
SPA-2CHT3-CE-ATM
8 Mixed configuration of the T3 mode and the E3 mode simultaneously on the same SPA-2CHT3-CE-ATM is not supported. However, you can configure one
SPA in the T3 mode and another SPA in the E3 mode. For more details regarding restrictions, see Restrictions, page 2-10 .
Cisco ASR 1000 Series Aggregation Services Routers SIP and SPA Software Configuration Guide, Cisco IOS
XE Everest 16.5
456
OL-14127-17
Overview of the Circuit Emulation over Packet Shared Port Adapter
Overview