8922 POTS Card Description
The 8922 POTS (Plain Old Telephone Service) card can be used in any 8620 or 8820
Broadband Access Concentrator (BAC) managed by a Shelf Concentration and
Processing (SCP) card. The model 8820-A2-520 BAC is required for test access.
Physical Description
Each 8922 POTS card connects through one 50-position Telco connector (RJ21X) on
the rear of the chassis. The card supports:
24 POTS ports
Standard 2-wire single party service
Loop start
DTMF and Pulse
5 REN
G.711 PCM, G.726 ADPCM, G.729 CELP
Test access for connection to an external test head (with Test Access System
Interface Module)
Custom Local Area Signaling Services
For a complete list of supported features, see
Technical Specifications
5
on page 20.