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Chapter 2
DTAM Micro Overview
Communications Port
2–8
All communications are through a 9 pin connector on the bottom of the
DTAM Micro. The connector is either an RS-232 port or RS-485 port
depending upon the version catalog number.
Figure 2.5
Communications Port
DTAM Micro
(Bottom View)
DTAM Micro
(Bottom View)
RS-485 Version
(Catalog No. 2707-M485P3)
RS-232 Version
(Catalog No. 2707-M232P3)
9 Pin Female
PIN #
Signal Name
1
Data Out –
2
Data Out +
3
Data In -
4
Data In +
5
Signal Ground
6
Transmit Enable
7
Not Used
8
Signal Ground
9
Shield
9 Pin Female
PIN #
Signal Name
1
Not Used
2
Receive Data (RD)
3
Transmit Data (TD)
4
Not Used
5
Signal Ground
6
Not Used
7
Not Used
8
Not Used
9
Shield
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