Lexmark X642e Service Manual page 420

7002-xxx
Scanner control card connector pins (continued)
Connector
J13 to J59 on modem card (continued)
J15 to operator panel card
5-20
Service Manual
CN pin no. Signal
16 Signal
17 Signal
18 Signal
19 Signal
20 Signal
21 Signal
22 Ground
23 DSP-IRQ
24 IO-WRITE
25 IO-READ
26 MOD CS
27 Ground
28 MOD RDY
29 MOD PRES
30 RESET N
1 MASTER RESET N
2 Ground
3 TX1-
4 TX1+
5 TX2-
6 TX2+
7 CLKTX-
8 CLKTX+
9 Ground
10 Ground
11 UITXD
12 UIRXD
13 TX0-
14 TX0+
15 Ground
16 Ground
17 +24 V dc
18 +24 V dc