Chapter 4: switches, 3 modem switches – Black Box PROTOCOL CONVERTER A/S-4 User Manual
Page 16
CHAPTER 4: Switches
15
SW6/ 7
8
9
10
BAUD RATE
ON
ON
ON
ON
50
ON
ON
ON
OFF
75
ON
ON
OFF
ON
110
ON
ON
OFF
OFF
134.5
ON
OFF
ON
ON
150
ON
OFF
ON
OFF
300
ON
OFF
OFF
ON
600
ON
OFF
OFF
OFF
1200
OFF
ON
ON ON
1800
NOTE: Baud Rate
OFF
ON
ON
OFF 2000
selection has no
OFF
ON
OFF
ON
2400
effect if Terminal
OFF
ON
OFF
OFF
3600
Speed Detect is
selected.
OFF
OFF
ON
ON
4800
OFF
OFF
ON
OFF
7200
OFF
OFF
OFF
ON
9600
OFF
OFF
OFF
OFF
19.2K
4.3 Modem Switches
Modem port switches for Female DB25 Modem Connector
Switch Bank S4, Switch:
1-On connects pin 4 of connector to A/S-4’s input of
CLEAR-TO-SEND
2-On connects pin 5 of connector to A/S-4’s input of
CLEAR-TO-SEND, for attaching DCE devices
3-On connects pins 25 on both terminal and modem connectors
to +5 volts DC.
4-On connects pin 19 of connector to A/S-4’s input of
CLEAR-TO-SEND, for printers with busy on pin 19
5-On connects pin 20 of the connector to A/S-4’s input
of CLEAR-TO-SEND, for devices with busy on pin 20
6-On connects pin 6 of connector to A/S-4’s input of
CARRIER DETECT
7-On connects pin 8 of connector to A/S-4’s input of
CARRIER DETECT
8-On connects pin 15 of connector to A/S-4’s input of
Transmit Clock for synchronous operation