Black Box MT160A Manual page 30

For DTE data rates of 56 Kbps or 64 Kbps, set the rate adapter to "Line
Rate=DTE Rate," and set the Line Rate to 56 or 64 Kbps, respectively.
For DTE rate of 57.6 Kbps, set rate adapter to "Line Rate=DTE Rate," set
line rate to 56 Kbps, set DTE for two stop bits, and set CSU/DSU
character length to "11 bits."
DTE Loop Control
Choosing option 8 in the Software Switch Menu takes you to the DTE Loop
Control Menu. The local and remote loopbacks on the Card can be controlled
from the DTE interface by raising or lowering the LL and RL signals. To allow the
DTE to control these loopbacks in this manner, enable this option. Disable if you
want the Card to ignore these signals.
DTE LOOP CONTROL MENU—Esc to exit
1. Enable DTE Loop Control
2. Disable DTE Loop Control (DEFAULT)
Clock Mode
Choosing option 9 in the Software Switch Menu takes you to the Clock Mode
Menu.
CLOCK MODE MENU—Esc to exit
1. Internal (Master) Clock
2. Network (Looped) Clock (DEFAULT)
3. External (DTE) Clock
4. Switched 56 Clock
NOTE
Figure 14. DTE Loop Control Menu.
Figure 15. Clock Mode Menu.
CHAPTER 4: Configuration
27