
Configuration and Setup
VL-EPU-3311 Reference Manual
18
Jumper Blocks
Jumper As-Shipped Configuration
Figure 6. Jumpers As-Shipped Configuration
Jumper Configuration Summary
Table 1: Jumper Block V1 – Endpoint Termination
Pins
Function
Description
1-2
COM2 termination
Jumper In: Endpoint termination (for RS-485 or RS-422)
Jumper Out: Not terminated (RS-232)
3-4
COM1 termination
Jumper In: Endpoint termination (for RS-485 or RS-422)
Jumper Out: Not terminated (RS-232)