1. Feature Enhancements / Functional Changes:

M/SDSL endpoint that supports subrates below 400 (144 kbps, 272 kbps), dual voltage power supply ( +24 volt, -48 volt), alarm contact population option, Tx Power attenuation strap.  This release includes enhanced SNMP device management.
 

2. Resolved Customer Issues:

 

Action Request Number	Description
DDTS-9231	Updated the Send All Ones on Data Port option for X21 operation Recommend upgrade if your interfacing to an X21 interface.

None.

4. Software Co-Requirements:
 

Card Type	Firmware
8777 T1 TDM-SDSL 8 port line card	A01.02.04 or later
8779 E1 TDM-SDSL 8 port line card	A01.02.04 or later
8774 T1 TDM-SDSL 4 port line card	06.00.00 or later
8775 TDM-SDSL 4 port line card	06.00.00 or later
8776 E1 TDM-SDSL 4 port line card	06.00.00 or later
Endpoint Type	Firmware
7974-A1 T1 TDM-SDSL	06.00.00 or later
7974-A2 T1 TDM-SDSL	N01.00.18 or later
7975-A1 EIA-530 TDM-SDSL	06.00.00 or later
7975-A2 EIA-530 TDM-SDSL	V01.00.18 or later
7976-A1 E1 TDM-SDSL	06.00.00 or later
7976-A2 E1 TDM-SDSL	N01.00.18 or later

DSP Code: This release includes Globespan M/SDSL release 0A.104

Note: When 7975 is NTU with 8779 LTU, use 8779 build A01.01.00 or later for 528kbps, 144kbps rates to run properly.

5. Compatibility With Other  Releases:

For customer payload data, this release is fully compatible with all previously released models.

511 Pattern Test is not supported in this release.
 

Compatibility with First Generation products (797x-A1, 8774, 8775, 8776):
• This release will not support autorate functionality when connected to first generation products.
Compatibility with Second Generation products (797x-A2, 8779, 8777):
• When 7975 is NTU with 8779 LTU, use 8779 build A01.01.00 or later for 528, 144 rates to run properly.
• The new E1<->Nx64 payload rates are only supported when connected to an E1 model (8779 or 7976-A2) running 02.03.12 code or higher.

6. Supporting Customer Documentation / Significant Changes:

The following updated manuals support this product:

• Hotwire TDM SDSL Standalone Termination Units Models 7974-A2, 7975-A2, and 7976-A2 Installation Instructions 7900-A2-GN11-20
• Hotwire TDM SDSL Standalone Termination Units Models 7974-A2, 7975-A2, and 7976-A2 User's Guide 7900-A2-GB21-20