Lexmark Forms Printer 2400 Service Manual - Page 134
Serial Board - Serial Cable (9w & 24w), Chassis Gnd, Signal Gnd
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24xx Serial Board - Serial Cable (9w & 24w) Connector CN2 Pin # 1 2 3 4 5 6 7 8 9 10 11 12 Signal Chassis Gnd TXD RXD RTS -CTS DSR Signal Gnd NC NC NC NC NC Pin # 13 14 15 16 17 18 19 20 21 22 23 24 25 Signal NC NC NC NC NC NC NC DTR NC NC NC NC NC 5-26 Service Manual
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5-26
Service Manual
24xx
Serial Board - Serial Cable (9w & 24w)
Connector
Pin #
Signal
Pin #
Signal
CN2
1
Chassis Gnd
13
NC
2
TXD
14
NC
3
RXD
15
NC
4
RTS
16
NC
5
-CTS
17
NC
6
DSR
18
NC
7
Signal Gnd
19
NC
8
NC
20
DTR
9
NC
21
NC
10
NC
22
NC
11
NC
23
NC
12
NC
24
NC
25
NC