User guide

4-20 DL3800 DS1 Inverse Multiplexer User Guide—February 1999

Framing Format This allows the user to select either ESF or D4 (SF) as the Framing Format for

the individual T1 network ports.

To change the present Framing Format mode, use the up and down arrow

keys to highlight the Framing Format item in the appropriate line for the

desired port, and use the Space Bar to toggle between ESF and D4 until the

desired choice appears (Default - ESF)

Line Code This allows the user to select either B8ZS or AMI as the Line Code for the

individual T1 network ports.

To change the present Line Code, use the up and down arrow keys to

highlight the Line Code item in the appropriate line for the desired port,

and use the Space Bar to toggle between ESF and D4 until the desired

choice appears. (Default -B8ZS)

Equalization (DSX-1 Only) This allows the user to select Line Equalization distance for the individual T1

network ports.

To change the present Equalization level, use the up and down arrow keys

to highlight the Equalization Level, use the up and down arrow keys to

highlight the Equalization item in the appropriate line for the desired

port, and use the Space Bar to toggle between the following selections until

the desired choice appears: 0Õ-132Õ; 133Õ-265Õ; 266Õ-398Õ; 399Õ-532Õ

or 533Õ-655Õ. (Default - 0Õ-132Õ)

LBO (CSU Only) This allows the user to select the LBO (Line Buildout) for the individual T1

network ports.

To change the present LBO, use the up and down arrow keys to highlight the

LBO item in the appropriate line for the desired port, and use the Space Bar

to toggle between the following selections until the 0dB, -7.5dB, -15dB, and

-22.5dB. (Default -)dB)

Table 4-7 NETWORK CONFIGURATION MENU Options (Continued)

Parameter Description/Action