Jumpers and connectors
Issue G 49
J24 – Front panel interface connector
26-way 2mm pitch shrouded header.
Mating connector: Neltron 2417HJ-26-PHD
Mating crimps: Neltron 2417TJ-PHD
Pin Signal name Pin Signal name
1 +5V 2 Ground
3 RS 4 CONTRAST
5 ENABLE 6 /IOW
7 D1 8 D0
9 D3 10 D2
11 D5 12 D4
13 D7 14 D6
15 Ground (K) 16 VCC_LCD (A)
17 USER LED1 18 LED1 RES
19 USER LED2 20 LED2 RES
21 Ground 22 +5V standby
23 SMBUS Clk 24 GPIO1
25 SMBUS Data 26 GPIO2
J25 – COM4 RS485/RS422 serial port
5-way 2mm pitch shrouded header.
Mating connector: JST PHR-5
Mating connector crimps: JST SPH-004T-P0.5S
Pin Signal name (RS422) Signal name (RS485)
1 TX- TX-/RX-
2 TX+ TX+/RX+
3 RX- No connect
4 RX+ No connect
5 Ground Ground
1
2
25
26
1
5
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