1 PCE37/25PS
Connection Conversion Cable
for Serial I/O (37P→25Px4)
PCE37/25PS User’s Guide
CONTEC CO.,LTD.
This cable converts the CN1 (37-pin D-SUB connector) on the board of Serial I/O to 25-pin
D-SUB male connectors for four channels as shown below.
Suitable boards : COM-4(PCI)H, COM-4(PCI), COM-4P(PCI)H, COM-4PD(PCI)H, COM-4M(PC)
External Dimensions
250mm
CH1
CH2
CH3
CH4
16.4mm
72.2mm
1
37
19
20
1
13
14
55.3mm
25
15.3mm
Specifications
Item Specification
Connector
37-pin
D-SUB
male connector
Thumb screw
:
UNC#4-40(
Inch screw
)
25-pin
D-SUB
male connector
Screw nut:
UNC#4-40(
Inch screw
)
Cable 9 core shield cable
Conductor size
: AWG28
Conductor composition
: 7pcs/0.127mm UL2919
Weight
280g
Notes!
- Do not strike or bend the product. Otherwise, the product may malfunction, overheat, cause a
failure or breakage.
- Do not insert or remove the connector while the power is turned on to the PC. Failure to observe
this precaution may cause malfunction, overheating.
- The specifications of this product are subject to change without notice for quality improvement.
Even when using the product continuously, be sure to read the manual and understand the contents.
- Regardless of the foregoing statement, CONTEC assumes no responsibility for any errors that may
appear in this document or for any results of using the product.
- All relevant issues have been considered in the preparation of this document. Should you notice an
omission or any questionable item in this document, please feel free to notify CONTEC CO., LTD.
PCE37/25PS User’s Guide
Copyright 1997 CONTEC CO., LTD. ALL RIGHTS RESERVED.
CONTEC CO., LTD. August 2006 Edition
3-9-31, Himesato, Nishiyodogawa-ku, Osaka 555-0025, Japan
Japanese http://www.contec.co.jp/
English http://www.contec.com/ A-41-730 (LZC1771)
Chinese http://www.contec.com.cn/ 08032006_rev3 [03141997]
No part of this document may be copied or reproduced in any form by any means without prior written
consent of CONTEC CO., LTD.
Connection Diagram
Pin No. on
the 25-pin D-SUB
connectors
Pin No. on
the 25-pin D-SUB
connectors
N.C.
N.C.
N.C.
N.C.
N.C.
DCD
SG
DSR
CTS
RTS
RxD
TxD
FG
25
24
23
22
21
20
19
18
17
16
15
14
N.C.
N.C.
N.C.
RI
N.C.
DTR
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
13
12
11
10
9
8
7
6
5
4
3
2
1
CH1 - CH4
N.C.
N.C.
N.C.
N.C.
N.C.
SG
TxD-
CTS-
RxD+
CTS+
RTS+
RTS-
FG
25
24
23
22
21
20
19
18
17
16
15
14
N.C.
N.C.
N.C.
RxD-
N.C.
TxD+
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
13
12
11
10
9
8
7
6
5
4
3
2
1
CH1
CH2
CH3
CH4
CH1 - CH4
Pin Assignments for RS-232C
Pin Assignments for RS-422A/485
CH1 - 2
CH1 - 4
CH1 - 6
CH1 - 20
CH1 - 22
CH2 - 3
CH2 - 5
CH2 - 7
CH2 - 8
CH4 - 2
CH4 - 4
CH4 - 6
CH4 - 20
CH4 - 22
CH3 - 3
CH3 - 5
CH3 - 7
CH3 - 8
N.C.
CH1 - 3
CH1 - 5
CH1 - 7
CH1 - 8
CH2 - 2
CH2 - 4
CH2 - 6
CH2 - 20
CH2 - 22
CH4 - 3
CH4 - 5
CH4 - 7
CH4 - 8
CH3 - 2
CH3 - 4
CH3 - 6
CH3 - 20
CH3 - 22
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
-
1
-
2
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