Configuration and Setup
VL-EPU-4460 Reference Manual
15
Jumper Blocks
Figure 4. Jumpers As-Shipped Configuration
Jumper Configuration Summary
Table 1. Jumper Block Configurations
Jumper
Block
Pins
Function
Description
V1
1-2
COM1 Endpoint
Termination
Jumper In: Endpoint termination (for RS-485 or RS-422)
Jumper Out: Not terminated (RS-232) (default)
3-4
COM2 Endpoint
termination
Jumper In: Endpoint termination (for RS-485 or RS-422)
Jumper Out: Not terminated (RS-232) (default)
V2
1-2
Primary/Backup
BIOS Select
Jumper In: Backup BIOS is selected
Jumper Out: Backup BIOS is not selected (default)
V3
1-2
Reserved
This jumper currently has no function. The jumper should be
left in the uninstalled position or removed.
