Motorola SG 2000 operation manual ParameterSpeci fic ation

A - 2 S p e c i f i c a t i o n s

ParameterSpeci fic ation

Flatness over passband ±0.75 dB, all ports

Operational tilt (standard) 750 MHz:10 dB ±1 dB (low),12.5 dB ±1 dB (standard),

14 dB ±1 dB (high)

870 MHz: 9 dB ±1 dB (low), 11.5 dB ±1 dB (standard), 14 dB ±1 dB (high) (plug-in equalizers available)

Table A-3 lists the general characteristics for the SG 2000 node:

T a b l e A- 3

S G 2 0 0 0 G e n e r a l c h a r a c t e r i s t i c s

Parameter	Speci fic ations
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:

T a b l e A- 4

S G 2 - L R s p e c i f i c a t i o n s

Parameter	Speci fic ation
Optical input power	–4.0 dBm to +2.0 dBm
range-recommended
Optical input	3 dBm
power-maximum
recommended1
Optical input return loss	40 dB minimum
RF passband	40 MHz through 870 MHz
Gain at 40 MHz2	19.5 dB minimum
Flatness	1.25 dB P-V maximum
Tilt	–0.5 dB to +2.0 dB maximum
Equivalent noise input	8 pA/Hz1/2 maximum
current

1

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

2

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

S G 2 0 0 0 I n s t a l l a t i o n a n d O p e r a t i o n M a n u a l