Allied Telesis AT-PBC18 - Manual (Page 88)

Installing a Switch Module
88
Note
The recommended minimun range is stated in all cases where the
maximum transmitter output power exceeds the receivers
saturation level. This is to prevent blinding or burning out of the
optical receiver on the far end-node.
Table 35 Fiber Optic Datalink
Model
Fiber Optic
Diameter Optical
Frequency
Minimum
Power/
Link
Budget
Average
Signal
Loss Minimum
Distance
Specs
1
Maximum
Distance
Specs.
AT-PB201
AT-PB202
AT-PB204
AT-PB205
AT-PB206
AT-PB207 50/125 µm
multimode 1310 nm 13.00 dB 18.70 dB 0 2 km (1.2 mi)
62.5/125 µm
multimode 1310 nm 16.80 dB 22.50 dB 0 2 km (1.2 mi)
AT-PB202/1 9/125 µm
single-mode 1310 nm 16.00 dB 10.3 dB 0 15 km (9.3 mi)
AT-PB202/2 9/125 µm
single-mode 1310 nm 30.00 dB 20.8 dB 0 40 km (24.8 mi)
AT-PB202/3 9/125 µm
single-mode 1310 nm 33.0 dB 33.4 dB 15 km
(9.4 mi) 75 km (46 mi)
AT-PB202/4 9/125 µm
single-mode 1310 nm 34.0 dB 46.0 dB 40 km
(24.8 mi) 100 km (62 mi)
1. The recommended minimum range is stated in all cases where the maximum transmitter output power exceeds the receivers saturation level. This is to prevent blinding or
burning out of the optical receiver on the far end-node.
Table 36 Fiber Optic Loss Specification (Benchmarks)
Fiber
Type Fiber Optic
Diameter Optical
Frequency
Typical
Loss
Factor Worst
Case Loss
Factor
Bandwidth
MMF 50/125 µm 1310 nm 1.00 dB 1.50 dB 400
62.5/125 µm 1310 nm 1.00 dB 1.50 dB 500
SMF 9/125 µm 1310 nm 0.40 dB 1.00 dB Not applicable
9/125 µm 1550 nm 0.30 dB 0.75 dB Not applicable