Motorola SG 2000 Instrucciones de operaciones descargar pdf (Pagina 46)

A-

-2

2 Specifications

AT&T SLW2500 Installation and Operation Manual

Table A-3 lists the general characteristics for the SLW2500 node:

Table A-3

General characteristics

Parameter Specifications

AC input voltage 44 Vac through 110 Vac quasi-squarewave

AC bypass current 15 A

Hum modulation –70 dB @ 15 A bypass current

Operating temperature

–40°C through +60°C (–40°F through +140°F)

Housing dimensions

21.6”(L) × 10.6”(W) × 11.0”(D), (without bracket)

Weight Minimum 36 lbs./maximum 42 lbs. (without bracket)

Table A-4 lists the general specifications for the SG2-LR optical receiver:

Table A-4

SG2-LR

Parameter Specification

Optical input power range-recommended –4.0 dBm to +2.0 dBm

Optical input power-maximum recommended

3 dBm

Optical input return loss 40 dB minimum

RF passband 40 MHz through 870 MHz

Gain at 40 MHz

19.5 dB minimum

Flatness 1.25 dB P-V maximum

Tilt –0.5 dB to +2.0 dB maximum

Equivalent noise input current 8 pA/Hz

1/2

maximum

Absolute maximum optical input power that can be applied to the optical input connector.

Relative to an ideal photodetector terminated in a 75-ohm impedance.

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Motorola SG 2000 Instrucciones de operaciones Pagina 46