Allied Telesis AT-PBC18 - Manual (Page 67)

PowerBlade PBC18 Installation Guide
67
Cable
Specifications
Table 18 lists the cable specifications for the 100Base-TX twisted pair
port for all AT-PB300 Series modules.
Table 18 Twisted Pair Cabling Specifications
Table 19 lists the cable specifications for the 100Base-FX fiber optic port
for all AT-PB300 Series modules when operating in full-duplex mode.
Table 19 Fiber Optic Port Specifications (Full-duplex)
Table 20 lists the cable specifications for the 100Base-FX fiber optic port
for all AT-PB300 Series modules when operating in half-duplex mode.
Connector Cable
Maximum
Distance
RJ-45 Unshielded or shielded twisted pair
Category 5 or better 100 m (328 ft)
Cable
Maximum
Distance
Maximum
Allowable Loss
Budget
50/125 µm multimode fiber
optic cable 2 km (1.2 mi) 13.0 dB at 1310 nm
62.5/125 µm multimode fiber
optic cable 2 km (1.2 mi) 16.8 dB at 1310 nm
Table 20 Fiber Optic Port Cabling Specifications (Half-duplex)
Cable
Number of Media
Converters
Connected Devices
1
Maximum Distance
50/125 or 62.5/125 µm
multimode fiber optic
cable One Media
Converter Inline Switch to Switch 372 m (1221 ft)
Workstation to Switch 372 m (1221 ft)
Switch to Class I Repeater 137 m (450 ft)
Switch to Class II Repeater 185 m (607 ft)
Two Media
Converters Inline Switch to Switch 332 m (1089 ft)
Workstation to Switch 332 m (1089 ft)
Switch to Class I Repeater 97 m (318 ft)
Switch to Class II Repeater 145 m (476 ft)
1. Each media converter used inline within a single collision domain will reduce the overall segment length by 40 meters (131.24 feet) of fiber.