Lexmark X642e - Page 420

5-20 Service Manual
7002-xxx
J13 to J59 on modem card (continued) 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
J15 to operator panel card 1 MASTER RESET N
2Ground
3TX1-
4TX1+
5TX2-
6TX2+
7CLKTX-
8CLKTX+
9Ground
10 Ground
11 UITXD
12 UIRXD
13 TX0-
14 TX0+
15 Ground
16 Ground
17 +24 V dc
18 +24 V dc
Scanner control card connector pins (continued)
Connector CN pin no. Signal