Black Box MT160A Manual page 29

MicroCSU/DSU Cards and MicroRacks
DSR Status During Local Loopback
Choosing option 6 inn the Software Switch Menu takes you to the DSR Loop Status
Menu. This option controls the behavior of the DSR output during local loopback.
To force DSR high (ON) during local loopback, enable this option. To force DSR
low (OFF) during a local loopback, disable it.
DSR LOOP STATUS MENU—Esc to exit
1. DSR On During Local Line Loop
2. DSR Off During Local Line Loop (DEFAULT)
Rate Converter/DTE Rate
Choosing option 7 in the Software Switch Menu takes you to the Rate
Adapter/DTE Rate Menu. The Card rate converter adapts a 56 Kbps or 64 Kbps
line rate to slower DTE data rates. Set the Rate Converter to match the DTE data
rate. If the DTE data rate is the same as the line rate, disable rate conversion by
selecting item 6 on this menu.
RATE ADAPTER/DTE RATE MENU—Esc to exit
1. Line=56/64, DTE=2.4
2. Line=56/64, DTE=4.8
3. Line=56/64, DTE=9.6
4. Line=56/64, DTE=19.2
5. Line=56/64, DTE=38.4
6. Line Rate=DTE Rate (DEFAULT)
For 57.6, use Line Rate=DTE Rate, set Line Rate to
56 Kbps, config DTE for 2 Stop bits and set Char
Length accordingly.
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Figure 12. DSR Loop Status Menu.
Figure 13. Rate Adapter/DTE Rate Menu.