Hughes HN7700S, Installation Manual

Page: 77 / 140

Chapter 8 • Configuring the HN router for VADB backup
1037753-0001 Revision A
63
Installing the protection
module
To install a protection module, refer to Figures 54 through 56 and
follow these instructions:
1. Connect the short telephone cable from the protection module
MODEM port to the HN router TEL LINE port, as shown in
Figure 55.
2. Remove the coaxial cable from the HN router SAT IN port.
See Figure 56.
3. Slip the ring terminal at the end of the protection module
grounding cable over the SAT IN terminal post.
Figure 55: Connecting the protection module to the terminal
Short
phone
cable
Ground
cable
Protection
module
Longer
phone
cable
MODEM
port
LINE
port
HN7700S
TEL LINE
port
T0155016
HN7700S
backplane
CAUTION
Do not remove or loosen the factory-installed hex nut on the
HN router SAT IN port. Use the hex nut supplied with the
protection module kit to secure the ring terminal attached to
the protection module ground cable.
Figure 56: Connecting the protection module ground cable
Ground
cable from
protection
module
T0155015
HN7700S backplane
Do not remove or
loosen the
hex nut.
factory-
installed
Use hex nut supplied with
the protection module to
secure the ring terminal.