ModificationRelease
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 SupportedCisco IOS XE Release in which
SPA Introduced
Circuit Emulation (CEM) SPA Type
Supports only the CEM mode.3.3.0SSPA-1CHOC3-CE-ATM
Supports only the CEM mode.3.4.0SSPA-24CHT1-CE-ATM
Supports only the T3 ATM mode.3.4.0SSPA-2CHT3-CE-ATM
8
Supports the E3 ATM mode.3.5.0SSPA-2CHT3-CE-ATM
Supports the CEM mode.3.6.0SSPA-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
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