ADTRAN 1200063L1, Manual

Page: 84 / 137

Chapter 7. Configuring DTE Options
7-6 DSU III TDM User Manual 61200063L1-20
Carrier Detect (CD) Options
The CD O
PTIONS
menu is used to select one of two different control modes
for the receive line CD lead. The default factory setting is N
ORMAL
; see Fig-
ure 7-5 on page 7-6.
Forced On
The CD lead remains active all the time.
Normal
The CD lead is active only when frame synchronization has been achieved
and data is received from the far end. If a configuration problem has been
detected (such as a port not configured the same on both ends of the net-
work) CD remains off until the error is corrected.
Figure 7-5. Selecting Carrier Detect (CD) Options
1=NETWORK OPT.
1=DTE RATE
2=DATA FORMAT
3=TX CLOCK
1=LOCAL 4=CS OPTIONS
3=CONFIG 2=DTE OPTIONS 5=CD OPTIONS 1=FORCED ON
2=REMOTE 2=NORMAL
6=SR OPTIONS
3=TEST OPTIONS
4=DIAL OPTIONS
5=MANUAL COMMAND