Motorola SG 2000 ユーザーズマニュアル

SG 20 00 Ins tal la tion and O pera tion M anua l

Appendix A

Specifications

Specifications for the SG 2000 are valid over the given bandpass and operating temperature range
listed in this section. The current catalog may contain additional information not provided below.

Table A-1 lists the optical characteristics for the SG 2000 node:

T a b l e A- 1
SG 2 0 0 0 o p t i c a l c h a r a c t e r i s t i c s

Parameter Specific ation

Optical wavelength

1310 ±20 nm through 1550 ±30 nm

Received optical power

minimum (low gain)

minimum (high gain)

maximum

–2 dBm (47 dBmV)
–4 dBm (47 dBmV)
+2 dBm (continuous)

Optical input return loss

40 dB minimum

Equivalent input noise
current

8 pa/Hz

1/2

Table A-2 lists the station RF characteristics for the SG 2000 node:

T a b l e A- 2
S t a t i o n R F c h a r a c t e r i s t i c s

Parameter Specific ation

Forward passband frequency 47 MHz through 870 MHz (dependent upon split)

Return passband, each port

5 MHz through 65 MHz (dependent upon split); 200 MHz
capable

Upconverted return output

50 MHz through 400 MHz

Splits
S
J
A
K
E
M

40/52 MHz
55/70 MHz
65/85 MHz
42/54 MHz
30/47 MHz
80/108 MHz

Return loss

16 dB

Minimum full gain

RF amplifier (low gain)

RF amplifier (high gain)

Gain control range

32 dB
38 dB
8 dB

Operational gain

RF amplifier (low gain)

RF amplifier (high gain)

28 dB
34 dB