Installation __________________________________________________________________________
RF-MCGARDPRO
Hubbell Power Systems, Inc.
–
RFL™
Products
July 1, 2022
©2022 Hubbell Incorporated
3-11
IRIG-B with no GPS
Table 3-1. Jumpers Required on System I/O Board when GPS Module is NOT INSTALLED
Jumper
Jumper Installed across
these two terminals
Function
J7
5-6
Must be installed
J8
11-12
Must be installed
13-14 & 15-16
IRIG-B, AGC is in the circuit
13-15
IRIG-B, AGC is bypassed
J10
1-2
Must be open
3-4
For Un-modulated IRIG-B inputs
5-6 & 7-8
For Modulated IRIG-B inputs
9-10
No IRIG-B termination
11-12
50 Ohm IRIG-B termination
13-14
600 Ohm IRIG-B termination
J11
1-2
IRIG-B shield is grounded
3-4
IRIG-B shield is isolated
5-6
Must be installed
9-10
No 1PPS termination
11-12
50 Ohm 1PPS termination
13-14
600 Ohm 1PPS termination
IRIG-B with GPS
When two HPS/RFL GARD Pro system units are connected as shown in the illustration below,
the second HPS/RFL GARD Pro system must have jumpers set on the System I/O board as shown
in
when a GPS receiver is connected. The location of the jumpers on the board is shown