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34 Installation and basic configuration
NN47928-302NN47928-302
• You can connect the power supply to a power bar. The total length of the power cables from
the power supply to the electrical outlet (including power bar) must not exceed 2 m (6.5 ft).
You must use a power bar approved by an appropriate National Test Body, with a third-wire
ground. Nortel recommends that you do not use an extension cord between the power supply
and the power bar or between the power bar and the electrical outlet.
• You cannot install the BSG unit behind another router. If you install the BSG behind another
router, it may not operate properly with SIP traffic.
• You must meet the following parameters for an analog telephony devices (analog loop):
— maximum DC loop resistance of 208 Ω
— maximum cable length (0.5 mm or 24-AWG) of 1220 m (4000 ft)
Installation and basic configuration navigation
• “Installation options” on page 35
• “Cable connection” on page 45
• “System verification” on page 51