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INSTALLATION
POWER WIRING
2 - 14
I-E96-427B
®
POWER WIRING
There is one faston (E2) that connects to +24 VDC and one fas-
ton (E3) that connects to I/O common. Figure
shows their
locations on the TMF circuit board.
Figure 2-14. DB-25 Pin Assignments and RS-232-C Signals
CAUTION
We strongly recommend that you turn cabinet power off before
doing any termination unit wiring. Failure to do so could result
in equipment damage. Do not apply power until you verify all
wire connections.
ATTENTION
Il est fortement recommande, de debrancher l'alimentation
electrique du cabinet avant d'effectuer toute connexion aux
cartes de raccordement du chassis. Des dommages aux
equipements pourraient survenir dans le cas contraire. Ne pas
rebrancher l'alimentation avant que toutes les connexions
aient ete verifiees.
RXD
RECEIVE DATA
TXD
TRANSMIT DATA
DCD
RECEIVED LINE SIGNAL DETECT
+24V
DCD
TD
2
TRANSMIT DATA
3
RECEIVE DATA
4
REQUEST TO SEND
5
CLEAR TO SEND
8
RECEIVED LINE SIGNAL DETECT
9
+ VOLTS
12 SECONDARY RECEIVE SIGNAL DETECT
16 SECONDARY RECEIVE SIGNAL
25 BUSY
1
PROTECTIVE GROUND
20 DATA TERMINAL READY
6
DATA SET READY
7
SIGNAL GROUND
22 RING DETECT
14 SECONDARY TRANSMITTED DATA
11 EQUALIZER MODE
RD
CTS
RTS
DCD
SDCE
SRD
DSR
STD
QM
T00546A
DTR
STD/14
+V/9
SRD/16
CTS
CTS
6
5
CTS
RXD
+V/9
3
CTS
RTS
20
4
4 TO 5
DCD
5
8
RXD
RI/22
2
BUSY/25
RTS
CTS
5
6
CTS
RTS
4
20
TXD
GND
3
1
J2-11
TXD
12
2
CTS
CLEAR TO SEND
RTS
REQUEST TO SEND