B&B Electronics 1140 - Manual (Page 9)

Documentation Number 11401198 Manual 7
B&B Electronics -- PO Box 1040 -- Ottawa, IL 61350
PH (815) 433-5100 -- FAX (815) 433-5105
S1-8: Carrier Control Method
The setting for switch S1-8 determines whether the carrier is
"constantly on" or "controlled by RTS". This setting allows for
operation in switched carrier, rnultipoint and/or hardware
handshaking applications.
S1-8 Setting
Off
Constantly On
On Switched Carrier
3.3 CONFIGURATION SWITCH SET "S2"
The DIP switches on S2 set word length, extended signaling
rate, RTS/CTS delay and V.52 and V.54 diagnostic test.
Figure 4. Summary of DIP switch default settings for S2
S2-1 and S2-2: Word Length
Switches S2-1 and S2-2 are set in combination to determine the
word length for asynchronous data.
S2- 1 S2-2 Setting
Off On 8 bits
On On 9 bits
Off Off 10 bits
On Off 11 bits