Terminal Server User Guide, Version 3.3
129
Setting Jumpers
Appendix C
C
Introduction
The Terminal Server contains jumpers that you might need to set before you configure it and put it
into production. You can set the Terminal Server line termination to
on
or
off
(this is
off
by
default) if you are using EIA-422/485.
1-Port Terminal Server
Terminal Server DB25 Male/Female
To change the settings, do the following:
1.
Unplug the Terminal Server from the electrical outlet and disconnect everything from the box.
2.
Open the case by unscrewing the two side screws, one on each side, and lifting off the top of the
case. You should see the following:
3.
To turn line termination
on
, locate and jumper both J1 and J9.
4.
Close the Terminal Server case by replacing the case lid and the two screws. You can now power
it on with the new settings.
Power
Dip
Switch
Reset
RJ45
Ser
ia
l Con
nection
Screw
Screw
J1
J9