APPENDIX C
PATTON ELECTRONICS MODEL 3004-MTE/530
INTERFACE PIN ASSIGNMENT
RS-530 Interface Pin Description
(DB-25 Connector)
Pin #
Signal
1
FG (Frame Ground)
2
TD (Transmit Data-A)
3
RD (Receive Data-A)
4
RTS (Request to Send-A)
5
CTS (Clear to Send-A)
6
DSR (Data Set Ready-A)
7
SGND (Signal Ground)
8
CD (Carrier Detect-A)
9
RC/ (Receive Timing-B)
10
CD/ (Carrier Detect-B)
11
XTC/ (External Transmit Clock-B)
12
TC/ (Transmit Timing-B)
13
CTS/ (Clear to Send-B)
14
TD/ (Transmit Data-B)
15
TC (Transmit Timing-A)
16
RD (Receive Data-B)
17
RC (Receive Timing-A)
19
RTS/ (Request to Send-B)
20
DTR (Data Terminal Ready-A)
22
DSR/ (Data Set Ready-B)
23
DTR/ (Data Terminal Ready-B)
24
XTC (External Transmit Clock-A)
APPENDIX D
PATTON ELECTRONICS MODEL 3004-MTE/V.36
INTERFACE PIN ASSIGNMENT
RS-449 Interface Pin Description
(DB-37 Connector)
Pin #
Signal
1
FG (Frame Ground)
4
TD (Transmit Data-A)
5
TC (Transmit Timing-A)
6
RD (Receive Data-A)
7
RTS (Request to Send-A)
8
RC (Receive Timing-A)
9
CTS (Clear to Send-A)
11
DM (Data Mode-A) (DSR-A)
12
TR (Terminal Ready-A) (DTR-A)
13
RR (Receiver Ready-A) (CD-A)
17
XTC (External Transmit Clock-A)
19 SGND (Signal Ground)
20
SGND (Signal Ground)
22
TD/ (Transmit Data-B)
23
TC/ (Transmit Timing-B)
24
RD (Receive Data-B)
25
RTS/ (Request to Send-B)
26
RC/ (Receive Timing-B)
27
CTS/ (Clear to Send-B)
37
SGND (Signal Ground)
29
DM (Data Mode-B) (DSR-B)
30
TR (Terminal Ready-B) (DTR-B)
31
RR (Receiver Ready-B) (CD-B)
35
XTC/ (External Transmit Clock-B)
9
10
