Motorola SG 2000 Instruções de Operação descarregar pdf (Página 38)

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2 Operation

AT&T SLW2500 Installation and Operation Manual

Feature Description

Receiver enable A green LED that provides visual indication of the receiver’s enable status.

Fault indicator A red LED that illuminates when the module is enabled but the hybrid current

is outside the normal operating range.

Optical power status A green LED that is ON when the optical power is within the recommended

operating range (refer to Table A-4). Two red LEDs indicate that the optical

power is above (

HIGH) or below (LOW) the recommended optical input power

range.

Table 5-2

SG2-LR minimum output levels

Optical input

level

Output (dBmV)

77 channels

Output (dBmV)

110 channels

2.00 29.2 27.6

1.50 28.2 26.6

1.00 27.2 25.6

0.50 26.2 24.6

0.00 25.2

25.225.2

25.2

23.6

23.623.6

23.6

–0.50 24.2 22.6

–1.00 23.2 21.6

–1.50 22.2 20.6

–2.00 21.2 19.6

–2.50 20.2 18.6

–3.00 19.2 17.6

–3.50 18.2 16.6

–4.00 17.2 15.6

Typical output levels are approximately 2 dB greater than the minimum levels

Optical modulation index (OMI) for 77 channels (per channel): 0.0403

OMI for 110 channels (per channel): 0.0337

Optical transmitter wavelength is 1310 nm.

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Motorola SG 2000 Instruções de Operação Página 38