ADTRAN 1202300L1, Руководство пользователя

Страница: 38 / 54

Chapter 3. Operation
3-16 FXS+ Quad Voice Option Module User Manual 61202300L1-1
VIEW SIG BITS (View Signalling Bits)
VIEW SIG BITS is used to view the status of the RX and
TX signalling bits in the DS-1 stream. See Figure 3-9. If
you are operating in a SLC96 mode,
1/0
may be displayed.
This means that the signalling bit is toggling in each suc-
cessive frame for that port. The status of both the A and B
bits is displayed.
Figure 3-9. View Signalling Bits Display
SET TX SIGNAL (Set Transmit Signal)
SET TX SIGNAL allows the A and B signal bits in the TX
direction to be forced to a desired state for test.
SET 2W OUTPUT (Set 2-Wire Output)
SET 2W OUTPUT allows the 2-wire voice interface out-
put to be forced to a desired state for test.
Table 3-2. Port Test Parameters
Menu Item Parameter Choices
1 KHZ TONE Off, Near, Far
VIEW SIG BITS Display only
SET TX SIGNAL Off, (A=0, B=0), (A=0, B=1),
(A=1, B=0), (A=1, B=1)
SET 2W OUTPUT Off, Disabled, Tip Open, Active,
Reverse Battery, Ringing