Black Box MT160A Manual page 21

MicroCSU/DSU Cards and MicroRacks
Character Length
In asynchronous data format, 10- and 11-bit characters are supported. This setting
is ignored in synchronous data format.
SW1-6 Character Length
Off 10-bit
On 11-bit
Data Format
The data-format selection controls whether an async-to-sync conversion is
performed.
DSR System Status
The behavior of the DSR output during performance of a local loop can be
controlled.
SW1-8 DSR System Status
On Enabled
Off Disabled
18
Character Description
Start
1
1
1
1
1
SW1-7 Data Format
On Asynchronous
Off Synchronous
Description
DSR remains high (On) during the
Analog Loop
DSR goes low (Off) during the Analog
Loop
Data bits Parity
8 None
7 1
7 None
8 1
9 None
Stop bits
1 or more
1 or more
2
1 or more
1 or more