3
MVS-8100 Hardware Description
Cognex MVS-8100M Hardware Manual
49
Jumper
Block
Number
of Pins
Which
8100?
Default
Setting
Purpose
J3
3
8100M and
8100M+
2-3
Selects source of +12 V power. Covering
pins 1-2 draws power from the PCI bus.
Covering pins 2-3 draws power from the host
PC power supply through connector J2 and
the power cable, P/N 300-0175.
•
On the 8100M, style A, do not change
from the default setting.
•
On the 8100M, style B and 8100M+,
Cognex strongly recommends keeping
this jumper covering pins 2 and 3, and
using the power cable, P/N 300-0175.
JP1, JP2,
JP4, JP5
2
8100M and
8100M+
Closed
Jumper’s presence or absence selects 75
Ω
or high impedance termination, respectively,
of the board’s four camera ports. (See
Camera Port Termination Jumpers
on
page 41 for more information.)
JP3
2
8100M,
style A only
Open
Reserved for internal use. Jumper block must
remain open.
JP6
3
8100M and
8100M+
2-3
Selects source of the VDRIVE signal.
Covering pins 2-3 routes the VDRIVE signal
from the 8100M to the camera. Covering pins
1-2 routes the VDRIVE signal to the 8100M
from an external source connected to jack
J13.
JP7
3
8100M and
8100M+
2-3
Same as JP6, but for the HDRIVE signal.
JP8
2
8100M and
8100M+
Open
Reserved for internal use. Jumper block must
remain open.
JP9
2
8100M and
8100M+
Closed
Reserved for internal use. Do not remove
jumper.
Table 19. Jumper settings for 8100M and 8100M+
