Jp1 pl2, 428h, Jp1 – rs485/422 configuration jumpers – Eurotech Appliances VIPER / VIPER-LITE PXA255 User Manual
Page 96: 429h, 430h, Jp2 – lcd voltage select jumper, 431h, 432h, Jp3 – user configuration and reset jumper, 433h
VIPER Technical Manual
Connectors, LEDs and jumpers
© 2007 Eurotech Ltd Issue E
96
JP1 – RS485/422 configuration jumpers
Connector: Oupiin 2011-2x5GSB/SN, 10-way, 2.54mm (0.1”) x 2.54mm (0.1”) dual row
through-hole unshrouded header
Ref Pin
Signal
name Pin
Signal
name
1 PL4_RX5-
2 PL4_RX5+
3 RX5-
4 RX5+
5 PL4_RX5/TX5- 6 PL4_RX5/TX5+
7 PL4_RX5+
8 RX5-_120R
JP1
9 PL4_RX5/TX5+
10 RX5/TX5-_120R
JP2 – LCD voltage select jumper
Connector: Oupiin 2011-1x3GSB/SN, 3-way, 2.54mm (0.1”) single row through-hole
header
Ref Pin
Signal
name
1 5V
2
LCD Logic Supply
JP2
3 3.3V
JP3 – User configuration and reset jumper
Connector: Oupiin 2011-2x3GSB/SN, 6-way, 2.54mm (0.1”) x 2.54mm (0.1”) dual row
through-hole unshrouded header
Ref Pin
Signal
name Pin
Signal
name
1 GND
2 USER_CONFIG1
3 GND
4 Reserved
JP3
5 GND
6 RESETSW
JP4 – Battery jumper
Connector: Oupiin
2011-1x2GSB/SN
, 2-way, 2.54mm (0.1”) single row through-hole
header
Ref Pin
Signal
name Pin
Signal
name
JP4
1
Battery Backup
Switch Input
2 Battery
+
Terminal
6
5
1
2
10
9
2
1
1
3
6
5
1
2
VL