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2-2
Planning Repeater Installation
NOTE: If the supplied power cord is lost or damaged, replace it with a power cord
of the same type and current rating (10 A). The replacement cord should also meet
required regulatory approvals to ensure emissions compliance.
Spatial Requirements
The repeater's dimensions are 3 x 16.95 x 14 inches, 7.62 x 43.05 x 35.56 cm
(HxWxD).
You can interconnect two repeaters. If there is not enough space to mount the
repeaters in a single rack or stack them on a single shelf, or if you want to
place the repeaters in different locations, you can place them on separate
shelves or in separate racks. See "Twisted-Pair (UTP) Wire Requirements" in
this chapter for more information.
Be sure to allow at least 2 inches (5.1 centimeters) on each side of the repeater
for proper air circulation and cable connections.
Twisted-Pair (UTP) Wire Requirements
The twisted-pair wiring you use to connect the repeater's RJ-45 ports must
meet the following minimum specifications and requirements to ensure long-
term reliability.
CAUTION:
The power outlet must be a non-switched, three-pronged,
grounded outlet. Do not use a three-to-two pronged adapter at the outlet.
Doing so may result in electrical shock and/or damage to the repeater and
will void your warranty.
The wiring must be unshielded twisted-pair (UTP) Category 5.
Two pairs of the four-pair wiring are used for signalling.
Depending on building codes, different insulation materials may be
required. Plenum-rated or TEFLON-coated wiring may be required in
some areas.
The wire gauge should be between 18 and 26 AWG. (Most telephone
installations use 24-gauge wiring.)
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