Allied-telesis AT-PBC18 Manual de usuario descargar pdf (Pagina 88)

Installing a Switch Module

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

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

1 2 ... 83 84 85 86 87 88 89 90 91 92 93 ... 119 120

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