Lexmark C734 - Page 401

Connector locations 5-7
5026
JMIRR1
Mirror motor
1MM_REFR
2 TG_MM_LOCK
3 TG_MM_START
4Ground
5 +25VC
JOPP1
Operator panel (12C)
1I2C_DATA
2 V12_PANEL+5V
3 I2C_CLK
4Ground
5 TG_OP_IRQ-
6 +3.3 V dc
7Ground
JOPT1
Option port
1 +25VE 2Ground
3 S_OPT_RXR 4Ground
5 S_INPUT_FDT 6 VS24_OPT_5V
7Ground 8 S_OPT_TXR
System board listing (continued)
See “System board diagram” on page 5-2.
Connector Pin # Signal Pin # Signal