CĆ3
Appendix C
(Continued)
The following figures describe typical user port pin configurations.
Modem Transmit Enable
with No Flow Control
M
O
D
E
M
NC
XMIT is always enabled
RCV is always enabled
TRANSMIT
RECV
MODEM ENABLE
SIGNAL COM
SIG COM
RECV
TRANS
AutoMax Processor
2
3
4
7
5
6
20
10
TXD
RXD
RTS
CTS
DSR
+12V
User Equipment
NOTE:
CTS and DSR must be asserted when hardware
handshaking has been enabled (bit 15 in setup parameter
of OPENstatement).
Cable Break Detect
AutoMax Processor
2
3
4
7
5
6
20
10
(2) (to user Trans pin)
(3) (to user Recv pin)
(7) (to user Sig Com)
TXD
RXD
CTS
DSR
User Equipment
(must be asserted, +5 to +12 volt
level, wire to pin 10 on AutoMax
RSĆ232 connector or to user Equip
Ready pin on RSĆ232 connector)
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