Black Box MD1640A Modem User Manual


 
166
SERIES II INTELLIGENT DATA/FAX MODEMS
Down Leased Line Operation
#11 UP External Clock selected
Down* Internal Clock selected
#12 UP Synchronous Mode On
Down* Asynchronous Mode On
*Factory Default Setting
DIP Switches #13-16
DIP-Switch
Condition Effect
#13/#14 UP/UP* 28.8 K bps Operation
#13/#14 Down/UP 19.2 K bps Operation
#13/#14 UP/Down 14.4K bps Operation
#13/#14 Down/Down 9600 bps Operation
Note: The modem baud rate command (e.g.,$MB33600) overrides the
setting of these speed selection switches (DIP switches #13 and #14).
#15 UP*
CD/DSR from Interface (Sync & Async)
Down CD/DSR Forced On
#16 UP 2-Wire Leased Line (Sync & Async)
Down* 4-Wire Leased Line
* Factory Default Setting