
Modification
Release
Support for the 8-Port Clear-Channel T3/E3 Serial
SPA (SPA-8XT3/E3) was introduced on the Cisco
ASR 1000 Series SIPs.
Cisco IOS XE Release 3.8
Support for the 1-Port Channelized OC-12/STM-4
SPA was introduced on the Cisco ASR 1000 Series
SIPs.
Cisco IOS XE Release 2.6
Support for the 1-Port Channelized OC-3/STM-1 SPA
was introduced on the Cisco ASR 1000 Series SIPs.
Cisco IOS XE Release 2.2
Support for the following SPAs was introduced on
the Cisco ASR 1000 Series SIPs:
•
2-Port T3/E3 Serial SPA (SPA-2XT3/E3)
•
4-Port T3/E3 Serial SPA (SPA-4XT3/E3)
•
8-Port Channelized T1/E1 Serial SPA
(SPA-8XCHT1/E1)
•
2-Port Channelized T3 SPA(SPA-2XCT3/DS0)
•
4-Port Channelized T3 SPA (SPA-4XCT3/DS0)
•
4-Port Serial SPA (SPA-4TX-Serial)
Cisco IOS XE Release 2.1
Supported Features
There are some variations in the support provided by SPA models and software releases. These differences
are described in the
Restrictions, on page 215
, and in the corresponding configuration chapter pertaining
to that SPA.
Note
The following is a list of some of the significant software features supported by the serial SPAs on the Cisco
ASR 1000 Series Aggregation Services Routers:
•
Software selectable between T1, E1, T3, or E3 framing on each card (all the ports can be simultaneously
configured as T1, E1, T3, or E3). Applies to the 2-Port and 4-Port Clear-Channel T3/E3 SPAs and the
8-Port Channelized T1/E1 SPA.
•
Layer 2 encapsulation support:
◦
Point-to-Point Protocol (PPP)
◦
High-level Data Link Control (HDLC)
◦
Frame Relay
•
Internal or network clock (selectable per port).
Cisco ASR 1000 Series Aggregation Services Routers SIP and SPA Software Configuration Guide, Cisco IOS
XE Everest 16.5
212
OL-14127-17
Overview of the Serial SPAs
Supported Features