Allied Telesis AT-PBC18 - Manual (Page 62)

Installing a Media Converter Module
62
Table 14 Fiber Optic Datalink
Model Fiber Type
Minimum
Power / Link
Budget Average
Signal
Loss Minimum
Distance
Specs.
1
Maximum
Distance
AT-PB101
and
AT-PB102 50/125 µm
multimode 13.00 dB 18.70 dB 0 2 km (1.2 mi)
62.5/125 µm
multimode 16.80 dB 22.50 dB 0 2 km (1.2 mi)
AT-PB103/1 9/125 µm
single-mode 16.00 dB 19.50 dB 0 15 km (9.3 mi)
AT-PB103/2 9/125 µm
single-mode 30.00 dB 35.00 dB 0 40 km (24.8 mi)
AT-PB103/3 9/125 µm
single-mode 33.00 dB 35.0 dB 15 km
(9.3 ft) 75 km (46.5 mi)
AT-PB103/4 9/125 µm
single-mode 34.00 dB 35.50 dB 40 km
(24.8 mi) 100 km (62 mi)
1. In all cases where the maximum transmitter output power exceeds the receivers saturation level the recommneded minimum range is stated. This is to prevent blinding or
burning out the optical receiver on the far end-node.
Table 15 Fiber Optic Loss Specifications (Benchmarks)
Fiber Type
Fiber Optic
Diameter Optical
Frequency Typical
Loss Factor Worst Case
Loss Factor
Bandwidth
Multimode 50/125 µm 850 nm 3.00 dB/km 3.50 dB/km 400 Mhz-km
50/125 µm 1310 nm 1.00 dB/km 1.50 dB/km 400 Mhz-km
62.5/125 µm 850 nm 3.00 dB/km 3.75 dB/km 200 Mhz-km
62.5/125 µm 1310 nm 1.00 dB/km 1.50 dB/km 500 Mhz-km
100/140 µm 850 nm 4.00 dB/km 4.00 dB/km 100 Mhz-km
Single-mode 9/125 µm 1310 nm 0.40 dB/km 1.00 dB/km N/A
9/125 µm 1550 nm 0.30 dB/km 0.75 dB/km N/A