Verilink PRISM 3111 (34-00242) Product Manual - Manual (Page 67)

Configuration 59
Figure 4-9 Line Parameters Screen
T1-NET Framing
Selects the type of framing for the network side of the element as either ESF or
D4.
T1-NET Line Code
Sets the network side line coding as either AMI or B8ZS.
T1-NET LBO
Sets the line build out for the network interface as either 0 dB, -7.5 dB, -15 dB or
-22.5 dB.
PRM Enable
This field allows the T1.403 Performance Report Message, which is sent once a
second, to be turned on or off. The choices are Enable and Disable.
Zero Suppression
This field determines whether ones density insertion is activated after 15 zeros.
The choices are Enable and Disable.
T1-NET Timing
Sets the timing source to synchronize the unit’s internal timing generators. Slips
are controlled to occur on frame boundaries at the network and/or DSX1 ports
when timing synchronization is lost.
Internal - The unit’s internal frequency standard is used for all timing.