VersaLogic VSBC-8, Reference Manual

Page: 26 / 63

Jumper Block Locations
14 – Reference VSBC-8 Reference Manual
J
UMPER
S
UMMARY
Table 2: Jumper Summary
Jumper
Block
Description
As
Shipped Page
V1 Counter/Timer 5 Clock Source
6 MHz CTC#4 External Input
Note! Only ½ of jumper block V1 is shown in this picture.
6 MHz 44
V1 Counter/Timer 4 Clock Source
External Input 6 MHz
Note! Only ½ of jumper block V1 is shown in this picture.
6 MHz 44
V2 COM4 Configuration
RS-485 RS-485
RS-232 RS-422 Endpoint Station Intermediate Station
RS-232 22
V3
COM3 Configuration
RS-485 RS-485
RS-232 RS-422 Endpoint Station Intermediate Station
RS-232 22
V4 Opto 22 I/O Rack Power
In — I/O rack power provided by VSBC
Out — I/O rack power provided externally
In 42
V5 CMOS RAM and Real Time Clock Erase
Normal
Erase Operation
Note! Do not operate the board with the jumper in the erase position. Leave the
jumper in position V5[1-2] for at least one full minute to fully erase CMOS RAM.
Normal 20