User manual
Copyright © 2012 NEXCOM International Co., Ltd. All Rights Reserved.
20
Chapter 3: Jumpers and Switches
VTC 7120-BK Series User Manual
VTC 7120-BK Jumpers Setting
CMOS Clear Select
SW2: Power-on Button
SW3: Reset Button
Item B. Start-up & Shut down voltage control
(*) for default seeting
SW1: Voltage setup selection
12V 24V
9V~36V (*)
all can start
SW1.1 OFF OFF ON
SW1.2 OFF ON Don’t Care
RS232 – Enable Select
Connector location: JP8
Pin Status Function Description
1-2 Short Disable RS232
1-2(*) NC Enable RS232
2
1
N
O
SW4: Voltage setup selection
2
1
4
3
N
O
ON(*) OFF
SW4.1 GPO0 PULL UP 5V Don’t Care
SW4.2 GPO1 PULL UP 5V Don’t Care
SW4.3 GPO2 PULL UP 5V Don’t Care
SW4.4 GPO3 PULL UP 5V Don’t Care
SW1
setup voltage
SW1
setup voltage
LVDS Power input Voltage Select
Connector location: JP1
Pin Status Function Description
1-2 Short +5V IN
2-3(*) Short* +3.3V IN
CMOS Input Voltage Select
Connector location: JP6
Pin Status Function Description
1-2(*) Short* VBAT IN
2-3 Short Clear CMOS
PCI-104 VI/O Voltage Setting
Connector location: J15
Pin Status Function Description
(1-3)(2-4) (*) Short +3.3V
(3-5)(4-6) Short +5V
2 4 6
1 3 5