ADTRAN 1202011L1, User Manual

Page: 65 / 162

Chapter 6. Configuring DTE Options
61202011L1-1 DSU III AR User Manual 6-11
Specified times for the short and long delays at the different
operating speeds are shown in Table 6-6.
Table 6-5. CS Options AT Commands
Front Panel AT Command Description
1=FORCED ON &R0 CS always on.
2=FOLLOWS RS &R1 CS on with RS after delay; off when RS
or if DSU cannot pass data.
3=FOLLOWS CD &R2 CS off when CD goes off or if DSU can-
not pass data.
4=FOLLOWS RS+CD &R3 CS follows RS after delay and also off if
CD off. If CD goes off after RS is on, DSU
III AR will turn off CS but continue to pass
data until RS goes off. CS also off if DSU
cannot pass data.
5=OFF WITH LOCD &R4 Off 5 sec after LOCD. Valid only in SW56
mode. CS is forced on but will turn off for
5 seconds after a call is disconnected.
For RS options, select the RS to CS delay length.
1=CS DELAY SHORT _D0 Short Delay from RS to CS selected.
2=CS DELAY LONG _D1 Long Delay from RS to CS selected.
Table 6-6. Short and Long Delays at Different Operating Speeds
Rate Short Option Long Option Tolerance
Add to Maximum Time
for Secondary Channel
64K 1.1ms 16.1ms ±.4ms
56K 1.1ms 16.1ms ±.4ms .33ms
38.4K 1.5ms 16.5ms ±.4ms .63ms
19.2K 1.5ms 16.5ms ±.4ms 1.25ms
9.6K 1.5ms 16.5ms ±.4ms 2.5ms
4.8K 1.9ms 16.9ms ±.7ms 5.0ms
2.4K 3.8ms 18.8ms ±1.3ms 10.0ms