Allied Telesis AT-FS202SC/FS4 - Manual (Page 20)

Installing the Switch
10
Planning the Installation
Be sure to observe the following guidelines when planning the installation of
your switch.
❑ The end-node connected to the 100Base-FX fiber optic port must be
able to operate at 100 Mbps.
❑ The end-node connected to the 10/100Base-TX twisted pair port can
operate at either 10 Mbps or 100 Mbps.
❑ The end-node connected to a port on the switch can be a network
adapter card, repeater, router, hub, or another switch.
❑ The twisted pair cabling must be kept away from sources of electrical
noise, such as radios, transmitters, power lines, broadband amplifiers,
electrical motor, and fluorescent fixtures.
❑ Refer to Table 3 for the cabling specifications for the twisted pair port.
❑ Refer to Table 4 for the cabling specifications for the fiber optic port
operating in full-duplex mode.
Table 3 10/100Base-TX Twisted Pair Cabling Specifications
Operating Mode Twisted Pair Cable
Maximum Operating
Distance
10Base-T Shielded or unshielded Category 3 or better 100 m (328 ft)
100Base-TX Shielded or unshielded Category 5 or better 100 m (328 ft)
Table 4 100Base-FX Fiber Optic Cabling Specifications (Full-duplex)
Model
Fiber Optic
Cable Maximum Operating
Distance
1
Maximum
Allowable Loss
Budget
AT-FS201 50/125 or
62.5/125 micron
multimode 2 km (1.2 mi) 13 dB at 1310 nm
AT-FS202 50/125 or
62.5/125 micron
multimode 2 km (1.2 mi) 13 dB at 1310 nm