Adapter Cable - CommTech FASTCOM: 232/4-PCI Reference Manual

FASTCOM: 232/4-PCI ADAPTER CABLE
We provide access to the four channels on the FASTCOM: 232/4-PCI adapter through a shielded DB37
connector and an adapter cable (supplied with the board). The adapter cable consists of a DB37 male plug
fanning out to four standard DB25 male plugs.
DB37 PIN DESCRIPTION
- 1
N.C.
DCD3 - 2
GND - 3
- 4
CTS3
RXD3 - 5
RI4 - 6
DTR4 - 7
DSR4 - 8
- 9
RTS4
- 10
TXD4
DCD2 - 11
GND - 12
CTS2 - 13
RXD2 - 14
- 15
RI1
DTR1 - 16
DSR1 - 17
- 18
RTS1
TXD1 - 19
20 - RI3
21 - DTR3
22 DSR3
-
23 - RTS3
24 - TXD3
25 - DCD4
26 - GND
27 - CTS4
28 -
RXD4
29 - RI2
30 - DTR2
31 - DSR2
32 - RTS2
33 - TXD2
34 - DCD1
35 - GND
36 - CTS1
37 - RXD1
DB25 PIN DESCRIPTION
(Four Plugs)
- 13
25 -
- 1 2
24 -
- 11
23 -
- 10
22 -
- 9
21 -
DCD - 8
20 -
GND - 7
19 -
DSR - 6
18 -
CTS - 5
17 -
RTS - 4
16 -
RXD - 3
15 -
TXD - 2
14 -
- 1
9
RI
DTR