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Catalog No. 2707-NC5
Use the RS-485 Upload/Download Cable to connect the RS-485 port of the
DTAM Micro (Catalog No. 2707-M485P3) to a personal computer for
transferring applications. The cable contains the circuitry to convert RS-422
signals to RS-232 signals. The DTAM Micro RS-485 port is compatible with
the RS-422 output of the converter cable.
DTAM Micro RS-485
Communications Port
TXD -
1
2
TXD+
RXD -
3
RXD+
4
Signal Ground
5
Signal Ground
8
Shield
9
9-Pin Male D Connector
A 25- to 9-pin adapter is provided with the cable.
9-Pin Female Connector
TXD
2
RXD
3
Signal Ground
7
DTR
20
Appendix B
DTAM Micro Cable Diagrams
Personal Computer
RS-422 { RS-232
25-Pin Female Connector
25-Pin Male Connector
2
TXD
3
RXD
7
Signal Ground
20
DTR
TXD
3
RXD
2
Signal Ground
5
DTR
4
B–3
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