Paradyne CSU User Manual
4. Configuration Options
9128-A2-GB20-80
September 2002
4-47
Line Build Out (LBO)
Possible Settings: 0.0, –7.5, –15, –22.5
Default Setting: 0.0
Default Setting: 0.0
Specifies the line build out for the signal transmitted to the ISDN.
0.0, –7.5, –15, –22.5 – Specifies line build out in dB.
Network Initiated LLB
Possible Settings: Enable, Disable
Default Setting: Enable
Default Setting: Enable
Allows the initiation and termination of the line loopback (LLB) to be controlled by the
receipt of LLB-Actuate and LLB-Release commands from the ISDN.
receipt of LLB-Actuate and LLB-Release commands from the ISDN.
Enable – LLB is controlled by LLB-Actuate and LLB-Release commands. Receiving a
LLB-Actuate command causes the system to enter a line loopback (provided an LLB can
be performed in the system’s current state). Receiving an LLB-Release command
terminates the LLB.
LLB-Actuate command causes the system to enter a line loopback (provided an LLB can
be performed in the system’s current state). Receiving an LLB-Release command
terminates the LLB.
Disable – The system ignores the LLB-Actuate and LLB-Release commands.
NOTE: When disabled, the system is not in compliance with ANSI T1.403 or
AT&T TR 62411.
AT&T TR 62411.
Network Initiated PLB
Possible Settings: Enable, Disable
Default Setting: Enable
Default Setting: Enable
Allows the initiation and termination of the payload loopback (PLB) to be controlled by the
receipt of PLB-Actuate and PLB-Release commands from the ISDN.
receipt of PLB-Actuate and PLB-Release commands from the ISDN.
Display Conditions – This option only appears when Line Framing Format is set to ESF.
Enable – PLB is controlled by PLB-Actuate and PLB-Release commands. Receiving a
PLB-Actuate command causes the system to enter a payload loopback (provided a PLB
can be performed in the system’s current state). Receiving a PLB-Release command
terminates the PLB.
PLB-Actuate command causes the system to enter a payload loopback (provided a PLB
can be performed in the system’s current state). Receiving a PLB-Release command
terminates the PLB.
Disable – The system ignores the PLB-Actuate and PLB-Release commands.
NOTE: When disabled, the unit is not in compliance with ANSI T1.403 or
AT&T TR 54016.
AT&T TR 54016.
ANSI Performance Report Messages
Possible Settings: Enable, Disable
Default Setting: Disable
Default Setting: Disable
Specifies whether ANSI T1.403 compliance performance report messages (PRMs) are
generated and sent to the ISDN over the ESF facility data link every second.
generated and sent to the ISDN over the ESF facility data link every second.
Display Conditions – This option only appears when Line Framing Format is set to ESF.
Enable – Generates and sends PRMs.
Disable – Does not generate and send PRMs.
Table 4-10. ISDN PRI DBM Physical Interface Options (2 of 3)