3.1 7870 Interfacility Link Specifications

3 Product Specifications

3.1 7870 Interfacility Link Specifications . . . . . . . . . . . . . . . . . . . . . . . 17

3.2 Model Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

3.3 7870 Interfacility Link Pinouts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

3.3.1 Transmitter Pinout. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 3.3.2 Receiver Pinouts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

3.4 7180M Chassis Pinouts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

3.4.1 7180M Alarm Connector Pinouts [J12] . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 3.4.2 7180M Monitor Connector Pinout [J13]. . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 3.4.3 7180M and Redundancy Switching. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

3.17870 Interfacility Link Specifications

 

RF Specifications

 

 

Frequency range

 

10 - 200 MHz

Flatness 10 – 200 MHz @ unity gain

 

± 0.4 dB [typical]

Flatness @ 36 MHz

 

± 0.2 dB [max.]

CNR

 

45 dB @ 36 MHz

Noise Figure [50 Ω]

 

 

@ unity gain / 1 dB optical loss

 

28 dB [typical]

@ unity gain / 8 dB optical loss1

 

35 dB [typica]

Noise Figure [75 Ω]

 

 

@ unity gain / 1 dB optical loss

 

30 dB [typical]

@ unity gain / 8 dB optical loss1.

 

37 dB [typica]

OIP3 @ -10 dBm in / 0 dBm out

 

24 dBm

Group delay variation @ 20 - 200 MHz

 

<1 nSec

Input /output impedance

 

75 Ω [50 Ω optional]

Third order modulation

 

- 50 dBc with 2 equal carrier, total input

 

power -5 dBm

 

 

 

Input signal range [total power]

 

-25 to - 5 dBm

Output signal range [total power]

 

-25 to - 5 dBm

Maximum input without damage

 

+10 dBm

Receiver gain control

 

Manual

RF connector

 

BNC female [default]

 

F, and SMA [optional]

 

 

 

Test port coupling

 

20 dBc

Table 3 7870 Interfacility Link Specifications

 

1.

@ 10 dB Link Gain

 

7870 Interfacility Link Installation and User’s Guide

page 17

Foxcom proprietary information

 

Page 25
Image 25
Foxconn 7870 manual Product Specifications, RF Specifications