Connection Of Pc - jotron WP 900 Manual Del Usuario

Installation Guide
T942C- and T942C/2 Central Unit
Connect a twisted-pair from the monitor source to the Central Unit (connector J11, screws
1 and 2).
to monitor
Figure 19. Monitor connection.
Note: The digital inputs must be provided with supply voltage, see 1.3.9 Connection of
Supply Voltage on page 13.

1.3.13 Connection of PC

The serial communication port on the PC is to be connected to 8-pin modular connector
J09 on the T942C, either directly or via modems. (See the drawings below.)
D-sub connector
Figure 20. 9-pin modular connector.
D-sub connector
for connection
Figure 21. 25-pin modular connector.
Note: Note that on modems with 25-pin D-sub connectors, the RTS and CTS signals must
be jumpered - i.e. pin 4 to 5.
2003-01-08 / Rev.C
J11
1 +12V EXT IN
2 IN1
3
4
5
6
9-pin female
for direct
1
connection
RX 2
to PC
TX 3
4
GND 5
6
7
8
9
25-pin male
1
to PC via
TX 2
modem
RX 3
RTS 4
CTS 5
6
GND 7
DCD 8
DTR 20
25
T942C
J09
1 (not used)
2 TX
3 RX
4 (not used)
5 (not used)
6 (not used)
7 GND
8 (not used)
T942C
J09
1 (not used)
2 TX
3 RX
4 CTRL IN
5 CTRL OUT
6 (not used)
7 GND
8 (not used)
Handook page
17/128
TD 91684GB
15