Allied Telesis AT-FS232 Guia de Instalação descarregar pdf (Página 48)

Technical Specifications

Table 9 Fiber Optic Datalink

Table 10 Fiber Optic Loss Specification (Benchmark)

Model

Fiber

Type

1. MMF = Multimode Fiber / SMF = Single-mode Fiber.

Minimum

Power/Link

Budget

Minimum

Operating

Distance

2. 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.

Maximum

Operating

Distance

3. Distance is calculated based on ideal situations without any other loss factor.

AT-FS232 50/125 MMF 13.0 dB 0 2 km (1.25 mi)

62.5/125 MMF 16.8 dB 0 2 km (1.25 mi)

AT-FS232/1 9/125 SMF 16.0 dB 0 15 km (9.4 mi)

AT-FS232/2 9/125 SMF 30.0 dB 0 40 km (25 mi)

AT-FS232/3 9/125 SMF 34.0 dB 15 km (9.4 mi) 70 km (43.4 mi)

AT-FS232/4 9/125 SMF 37.0 dB 40 km (24.8 mi) 90 km (55.8 mi)

Fiber Type

1. MMF = Multimode Fiber / SMF = Single-mode Fiber.

Fiber Optic

Diameter

Optical

Wavelength

Typical Loss

Factor

Bandwidth

MMF 50/125 microns 1310 nm 1.00 dB/km 400 Mhz-km

62.5/125 microns 1310 nm 1.00 dB/km 500 Mhz-km

SMF 9/125 microns 1310 nm 0.40 dB/km N/A

1 2 ... 43 44 45 46 47 48 49 50 51 52 53 ... 73 74

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Allied Telesis AT-FS232 Guia de Instalação Página 48