Справочник Пользователя для Hughes HN7700S
Chapter 8 • Configuring the HN router for VADB backup
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Optional protection module
Some countries may require that a protection module is installed
between the HN router router and the public switched telephone
network (PSTN) telephone line.
between the HN router router and the public switched telephone
network (PSTN) telephone line.
The protection module is a high-speed electronic circuit protector
that provides both over-voltage and over-current protection. The
module includes a short telephone cable that connects to the
telephone line port on the HN router and a grounding cable with a
ring terminal that connects to the HN router backplane, as shown
in Figure 54.
that provides both over-voltage and over-current protection. The
module includes a short telephone cable that connects to the
telephone line port on the HN router and a grounding cable with a
ring terminal that connects to the HN router backplane, as shown
in Figure 54.
Figure 54: VADB connections with protection module