Paradyne U8777 manual Table A-5. G.703 Interface Options Model 8779 2, Framing, Line Coding

A. Configuration Options

Table A-5. G.703 Interface Options – Model 8779 (2 of 3)

Framing

Possible Settings: Framed, Unframed

Default Setting: Framed

Specifies whether G.704 framing is used for the G.703 interface.

Framed – The unit conforms to G.704 framing format, using time slot 0.

Unframed – G.704 framing is disabled. When selected, the port is not available for DS0 crossT-connect mode.

Unframed is only available when DSL line rate is 2064 Kbps.

Line Coding

Possible Settings: AMI, HDB3

Default Setting: HDB3

Specifies the line coding format to be used by the G.703 interface.

AMI – Indicates the line coding format used by the G.703 interface is Alternate Mark

Inversion (AMI).

HDB3 – Indicates the line coding format used by the G.703 interface is HDB3.

Line Framing

Possible Settings: CRC4, noCRC4

Default Setting: noCRC4

SpecifiesTthe framing format to be used by the G.703 interface.

Line Framing is only available when the unit is configured as an LTU. The NTU is automatically configured to match the framing format used by the LTU.

CRC4 – CRC4 framing formatting is used for transmitted and received data over the

G.703 Interface.

noCRC4 – Non-CRC4 framing format is used for transmitted and received data over the G.703 Interface.

Time Slot 16

Possible Settings: Signaling_CAS, Signaling_CCS, Data

Default Setting: Signaling_CCS

Specifies whether the G.703 interface is used for voice or data.

Signaling_CAS – Time slot 16 contains Channel Associated Signaling (CAS) information (the unit is in voice mode).

Signaling_CCS – Time slot 16 contains Common Channel Signaling (CCS) information (the unit is in voice mode).

Data – Time slot 16 contains data (the unit is in data mode).

A-10 May 2002 8700-A2-GB20-40