2-120
Cisco MGX 8800/8900 Series Hardware Installation Guide
Releases 2 - 5.2, Part Number OL-4545-01, Rev. H0, May 2006
Chapter2 Illustrated Card List for MGX Switches and the MGX 8880 Media Gateway
Back Cards
PXM-UI-S3 and PXM-UI-S3/B
The user interface back card (PXM-UI-S3 or PXM-UI-S3/B) provides management interfaces for
configuring the switch, using external clocks, and triggering extern al alarms. The user interface back
card also provides Stratum-3 network clocking and is installed in the top bay of the switch (when the
switch is viewed from the rear) behind the PXM45 or PXM1E. For cable inform ation, see Table B-14 on
page B-14.

Release Compatibility Information for PXM-UI-S3 Cards

The PXM-UI-S3 card is supported in the fo llowing releases:
The PXM45/C card was introduced in Release 4. See the tables earlier in this chapter for Release details
regarding other cards, for example, Table2-3 on page 2-5.
Table2-44 PXM-UI-S3 Card Compatibility by Chassis and Release
PXM-UI-S3 Model MGX 8850 (PXM45) MGX 8830 MGX 8950 MGX 8880
PXM45 PXM45/B PXM45/C
MGX 8850
(PXM1E) PXM1E
PXM45/B or
PXM45/C PXM45/
PXM -UI-S3 Release 2
and higher
Release 3
and earlier
Not
supported
on
PXM45/C
Release
3.0.00
YNot
supported on
PXM45/C
Not
applicable
PXM -UI-S3/BNot
supported
on PXM45
Release
3.0.10 and
higher
Release 4
and higher
Release
3.0.10 and
higher
Release
3.0.10 and
higher
Release 5 and
higher