Lexmark C734dn - Page 431

Connector locations 5-3
5026
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System board listing
See “System board diagram” on page 5-2.
Connector Pin # Signal Pin # Signal
J5
Internal Service Port (ISP)
1Ground
2 USBOUT+
3 USBOUT-
4Ground
5 USBIN+
6 USBIN-
7Ground
8A0
9 RESET
10 +5 V dc
11 I2C_DAT
12 +5 V dc
13 I2C_CLK
14 +5 V dc
J10
Network
1 D_PHY_TX+
2 D_PHY_TX-
3 D_PHY_RD+
4 V_ANA2.5
5 V_ANA2.5
6 D_PHY_RD
7NC
8 V_BOBSMITH
9 +2.5V_PHY_I
10 PHYLED0
11 +2.5V_PHY_I
12 PHYLED1
10A PHYLED0
11A +2.5V_PHY_I
12A PHYLED1
9A +2.5V_PHY_I
J49
Fan
1+5 V dc
2 +5 V dc or Ground
3 FANSENSE
JBIN1
Output bin sensor
1 VS12_BF
2 S_BIN_FB
3Ground