110502 PRODUCT MANUAL EPX-C380 10
Jumper Reference
NOTE: Jumper Part# SAMTEC 2SN-BK-G is applicable to all jumpers. These are available in a ten piece kit from
WinSystems (Part# KIT-JMP-G-200).
JP5 - COM1, JP6 - COM2, JP7 - COM3, JP8 - COM4
JP5
2 4 6 8
□ □ □ □
□ □ □ □
1 3 5 7
JP6
2 4 6 8
□ □ □ □
□ □ □ □
1 3 5 7
JP7
2 4 6 8
□ □ □ □
□ □ □ □
1 3 5 7
JP8
2 4 6 8
□ □ □ □
□ □ □ □
1 3 5 7
JP4 - EEPROM
EEPROM Enable
CMOS Register Reset (only in G3 power mode) 1-2
SPI BIOS Write Protect 3-4
SPI BIOS Program Enable 5-6
CMOS EEPROM Enable (default) 7-8
CMOS EEPROM Disable 7 8
JP4
2 4 6 8
□ □ □ □
□ □ □ □
1 3 5 7
CompactFlash Master (default) 1-2
CompactFlash Slave 1 2
SSD Master 3-4
SSD Slave (default) 3 4
SSD Write Protect 5-6
SSD Program Enable (default) 5 6
Disable Ethernet Device 2 7-8
Enable Ethernet Device 2 (default) 7 8
JP3 - CompactFlash / Solid State Disk / Ethernet
JP3
2 4 6 8
□ □ □ □
□ □ □ □
1 3 5 7
RS-422 Termination and Biasing Resistors
TX (100): Places a 100Ω Resistor across the TX+/TX- pair 3-4
RX (100): Places a 100Ω Resistor across the RX+/RX- pair 7-8
TX(300):
Places a 100Ω Resistor from +5V to TX+ 1-2
Places a 100Ω Resistor between TX+ and TX- 3-4
Places a 100Ω Resistor from Ground to TX- 5-6
RS-485 Termination and Biasing Resistors
TX (100): Places a 100Ω Resistor across the TX/RX+/TX/RX- pair 3-4
TX/RX(300):
Places a 100Ω Resistor from +5V to TX/RX+ 1-2
Places a 100Ω Resistor between TX/RX+ and TX/RX- 3-4
Places a 100Ω Resistor from Ground to TX/RX- 5-6
