Paradyne U8777, 8779 manual Table A-1. Network Interface Options 4, DS0 Cross Connect Line Framing

A. Configuration Options

Table A-1. Network Interface Options (4 of 4)

DS0 Cross Connect Line Framing

(Model 8777, LTU)

Possible Settings: ESF, D4

Default Setting: ESF

Specifies the framing format to be used at the DSL interface for DS0 cross connects, regardlessTof the framing format specified for the DSX-1 ports.

DS0 Cross Connect Line Framing is only available on the Model 8777, only when the unit is configured as an LTU, and only when the port is in a DS0 cross connect.

ESF – ESF framing formatting is used for transmitted and received data over the DSL Interface.

D4 – D4 framing format is used for transmitted and received data over the DSL Interface.

Circuit Identifier

Possible Settings: ASCII text field

Default Setting: [blank]

Uniquely identifies the circuit number of the transmission vendor’s DSL line for troubleshooting purposes.

ASCII text field – Enter a maximum of 128 characters. All printable ASCII characters except the ^ (caret) are allowed.

Clear – Clears the field.

Table A-2, Payload Rates and DSL Line Rates for Model 8777, and Table A-3, Payload Rates and DSL Line Rates for G.703, provide the maximum payload rates achievable for each DSL line rate and the number of time slots required to achieve that payload rate. For G.703, the payload rate depends on whether you are using signaling (time slots 0 and 16) or data only (time slot 0).

Table A-2. Payload Rates and DSL Line Rates for Model 8777

DSL Line	DSX-1-to-DSX-1		DSX-1- to-EIA-530-A
Rate	Payload Rate	Time	Payload Rate	Time
(Kbps)	(Kbps)	Slots	(Kbps)	Slots
1552	1536	24	1536	24
1040	960	15	1024	16
784	704	11	768	12
528	448	7	512	8
400	320	5	384	6
272	192	3	256	4
144	64	1	64, 128	1, 2

8700-A2-GB20-40 May 2002 A-5