Allied Telesis AT-MCF112VF, SM, LH - Manual (Page 23)

AT-MCF106xx and AT-MCF112xx Installation Guide
15
❑
Use a straight-through cable to connect a hub or switch to a twisted
pair port on the unit. Use a crossover cable to connect a workstation to
a twisted pair port on the unit.
❑
Refer to Table 5 for the fiber optic cabling specifications.
Table 5 Fiber Optic Cabling Specifications
Specifications
Media 50/125 micron multimode fiber (MMF)
62.5/125 micron multimode fiber (MMF)
9/125 micron single-mode fiber
1
(SMF)
1
The single-mode fiber optic transmitter is rated as a Class 1 laser.
Maximum Segment
Length - Full-
duplex Multi-mode fiber: 2 km (1.24 mi)
Single mode fiber: 15 km (9.3 mi)
2
Single mode fiber: 40 km (24.8 mi)
3
2
This applies to the AT-MCF106SM and AT-MCF112SM models only.
3
This applies to the AT-MCF106LH and AT-MCF112LH models only.
Maximum Segment
Length - Half-
duplex The total distance of all fiber runs cannot exceed the following
limits:
4
With one Media Converter inline:
Switch to Switch = 372 m (1221 ft)
Workstation to Switch = 372 m (1221 ft)
Switch to Class II Repeater = 185 m (607 ft)
Switch to Class I Repeater = 137 m (450 ft)
With two Media Converters inline:
Switch to Switch = 332 m (1089 ft)
Workstation to Switch = 332 m (1089 ft)
Switch to Class II Repeater =145 m (476 ft)
Switch to Class I Repeater = 97 m (318 ft)
4
Each media converter used inline within a single collision domain will reduce the overall segment length by 40 m
(131.24 ft) of fiber.
External Devices Network Adapter Card, Repeater, Switch, or Router