ADTRAN 1202011L1, User Manual

Page: 62 / 162

Chapter 6. Configuring DTE Options
6-8 DSU III AR User Manual 61202011L1-1
Transmit Clock
The T
RANSMIT
C
LOCK
option is used to select the source of the clock
used to transfer data from the DTE into the DSU III AR. Figure 6-6
shows the menu path used to set the
T
RANSMIT
C
LOCK
option. The
factory default in N
ORMAL
.
Table 6-4 shows the AT commands used to set the T
RANSMIT
C
LOCK
option.
The E
XTERNAL
C
LOCK
option allows the DSU III AR to accept
M
ASTER
C
LOCK
timing from the External DTE Port as defined
under DTE Options connector type. The C
LOCK
S
OURCE
under
N
ETWORK
O
PTIONS
must also be set to M
ASTER
as noted in Network
Configuration on page 5-1.
1= NETWORK OPT.
1= DTE RATE
2= CONNECTOR TYPE
1= LOCAL 3= DATA FORMAT
4= DTE CMD OPTION
2= DTE OPTIONS 5= TRANSMIT CLOCK 1= NORMAL
3= CONFIG 6= CS OPTIONS 2= EXTERNAL
7= ANTI-STREAM
2= REMOTE ENTER ADDRESS 3= TEST OPTIONS 8= CD OPTIONS
4= DIAL OPTIONS 9= TR OPTIONS
5= MANUAL COM. A= SR OPTIONS
B= AUXILIARY PORT
Figure 6-6. Transmit Clock Options
Table 6-4. Transmit Clock AT Commands
Front Panel AT Command Description
1=NORMAL &X0 TX clock from DSU selected
2=EXTERNAL &X1 ETC clock from DTE selected