beautypg.com

Reviewing cabling requirements – Allied Telesis NetExtreme II Adapters User Manual

Page 33

background image

AT-2973SX, AT-2973T, AT-2973T/4, and AT-VNC10S Adapters Installation and User’s Guide

33

Reviewing Cabling Requirements

The cabling requirements for the twisted pair ports on the AT-2973T and
AT-2973T/4 adapters are listed in Table 6.

The cabling requirements for the fiber optic ports on the AT-2973SX
adapter are listed in Table 7.

For the latest fiber optic cable requirements for the SFP+ modules for the
AT-VNC10S adapter, contact your Allied Telesis sales representative.

Table 6. Cable Requirements for the AT-2973T and AT-2973T/4 Adapters

Speed

Cable Type

Maximum Distance

10 Mbps

Standard TIA/EIA 568-
B-compliant Category 3
or higher shielded or
unshielded cabling with
100 ohm impedance
and a frequency of 16
MHz.

100 meters (328 feet)

100 Mbps

Standard TIA/EIA 568-
B-compliant Category 3
or higher shielded or
unshielded cabling with
100 ohm impedance
and a frequency of 16
MHz.

100 meters (328 feet)

1000 Mbps

Standard TIA/EIA 568-
A-compliant Category 5
or higher shielded or
unshielded cabling with
100 ohm impedance
and a frequency of 100
MHz.

100 meters (328 feet)

Table 7. Cable Requirements for the AT-2973SX Adapter

Cable Type

Maximum Distance

62.5/125 µm (core/cladding)
multimode fiber optic cable

220 meters (722 feet)

50/125 µm (core/cladding)
multimode fiber optic cable

550 meters (1,804 feet)