Lexmark X502N - Modem Card Voltages and Signals

5-18 Service Manual
7100-XXX
Modem Card voltages and signals
Pin Number Signal
1 +3.3 V
2 +3.3V
3Signal
4Signal
5Signal
6Signal
7Signal
8Signal
9Signal
10 Signal
11 Signal
12 Signal
13 Signal
14 Signal
15 Signal
16 Signal
17 SCS3
18 Signal
19 SRD
20 IRQN
21 SWR
22 Signal
23 Reset
24 GND
25 Signal
26 Signal
27 GND
28 GND
29 Signal
30 SSD_PWM