Applied Systems Engineering Bell-202T Manual de usuario Pagina 13

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Applied Systems Engineering, Inc.
Page 9
Diagram: Rack Mount Enclosure Backplane
Communication Line
and
Power Connections
Models SM-202-X-V
Models SM-V23-X-V
Applied Systems Engineering, Inc
Revision 4
March 12, 2002
Single Channel Modem
Notes:
None
File: \\wsw\c\drawings\SingChanModemRevC-Chassis.vsd
Rack Mount Enclosure
Backplane Connections
RX- RX+ TX+TX-
Transmit Data +
Receive Data -
Receive Data +
Transmit Data -
DB-25 Female
Screw
Down
Connection
Rear View
Logic Ground
+ 5 Volts
AC Low (Neutral)
Earth Ground
AC High (Hot)
(115 Volt AC Section)
(5 Volt DC Section)
+5VA GND B +5VB
PS 1 PS 2
Ground Power Supply 1
+ 5 Volts Power Supply 2
Ground Power Supply 2
+ 5 Volts Power Supply 1
GND A
RX-
RX+
TX+TX-
RX-
RX+
TX+TX-
RX-
RX+
TX+TX-
RX-
RX+
TX+TX-
RX-
RX+
TX+TX-
RX-
RX+
TX+TX-
RX-
RX+
TX+TX-
RX-
RX+
TX+TX-
RX-
RX+
TX+TX-
RX-
RX+
TX+TX-
RX-
RX+
TX+TX-
RX-
RX+
TX+TX-
RX-
RX+
TX+TX-
RX-
RX+
TX+TX-
RX-
RX+
TX+TX-
RX-
RX+
TX+TX-
GND A +5VA GND B +5VB
GND GND
+5V
A
+5V
B
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