Serial Adapter Cable Fabrication Specifications Reference - Comtec CDM-840 Installation And Operation Manual

CDM-840 Remote Router
Appendix C
C.5

Serial Adapter Cable Fabrication Specifications Reference

CAUTION – The European EMC Directive (EN55022, EN50082-1) requires using
properly shielded cables for DATA I/O. To ensure proper operation, fabrication of
this Serial Adapter Cable requires that :
• You must wire the connectors using the pinout tables and diagram provided
here.
•
Type 'D' connectors must have back-shells with continuous metallic shielding.
• Type 'D' cabling must have a continuous outer shield (either foil or braid, or
both). The shield must be bonded to the connector back-shells.
User PC Interface End
Description: PC Serial Port Interface
Cable Connector Type: D-Subminiature DB-9F
(Type D-Sub 9-pin Female)
Use: For connection to your User PC RS-232 Serial
Port
WIRE LIST / PINOUT
PIN SIG NAME
1 DCD DATA CARRIER DETECT
2 RXD RECEIVE DATA
3 TXD TRANSMIT DATA
4 DTR DATA TERMINAL READY
5 GND SIGNAL GROUND
6 DSR DATA SET READY
7 RTS REQUEST TO SEND
8 CTS CLEAR TO SEND
9 RI RING INDICATOR
CDM-840 Onsite Unit Interface End
Description: CDM-840 "CONSOLE" Port Interface
Cable Connector Type: D-Subminiature DB-9M
(Type D-Sub 9-pin Male)
Use: For connection to the CDM-840 Onsite Unit
"CONSOLE" Port
DTE (PC) PIN ASYNCHRONOUS
IN 1 GROUND
IN 2 RS-232 Rx DATA OUT
OUT 3 RS-232 Tx DATA IN
OUT 4 --
-- 5 --
IN 6 RS-232 Tx DATA 'B' IN
OUT 7 RS-232 Tx DATA 'A' IN
IN 8 RS-232 Rx DATA 'B' OUT
IN 9 RS-232 Rx DATA 'A' OUT
C–7
MN-CDM840
Revision 3
WIRE LIST / PINOUT
SYNCHRONOUS
GROUND
RS-232 Rx DATA OUT
RS-232 Tx DATA IN
RS-232 Rx CLOCK OUT
RS-232 Tx CLOCK OUT
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