Cisco Cisco D9804 Multiple Transport Receiver Guia Da Instalação
Chapter 3 Installation
22
78-4042990-01 Rev B
Connecting the Input/Output Signals
Connecting the RF Inputs
Do as follows to connect to the RF inputs:
1 Connect up to four LNB RF cables to the RF connectors labelled RF1 through RF4
1 Connect up to four LNB RF cables to the RF connectors labelled RF1 through RF4
on the rear of the unit.
Use 75-ohm (braid/foil or braid/braid), low insertion loss coaxial cable.
Each input accepts an LNB signal input. RF1, RF2 and RF3 can provide LNB
power for use when no external LNB power source is available.
Use 75-ohm (braid/foil or braid/braid), low insertion loss coaxial cable.
Each input accepts an LNB signal input. RF1, RF2 and RF3 can provide LNB
power for use when no external LNB power source is available.
Connecting the ASI Input
Do as follows to connect to the ASI input:
1 If desired, connect to the ASI IN port to an asynchronous serial interface for
1 If desired, connect to the ASI IN port to an asynchronous serial interface for
uplink monitoring.
Connecting an External Alarm System
The Alarms Connector
The D9804 MTR is equipped with a connector for alarm relay outputs for remote
alarm signaling.
alarm signaling.
The Alarm output connector is a terminal block connector. The following drawing
shows the connector and the pin allocation table for the Alarm output connector.
shows the connector and the pin allocation table for the Alarm output connector.
Upper Row
RELAY 1
ASI1 ALARMS
RELAY 2
ASI2 ALARMS
RELAY 3
ASI3 ALARMS
RELAY 4
ASI4 ALARMS
1
2
3
4
5
6
7
8
9
10
11
12
NO_1 COM_
1
NC_1 NO_2 COM_
2
NC_2 NO_
3
COM_
3
NC_
3
NO_
4
COM_
4
NC_4
Lower Row
RELAY 5
ASI5 ALARMS
RELAY 6
ASI6 ALARMS
RELAY 7
GENERAL ALARMS
13
14
15
16
17
18
19
20
21
22
23
24
NO_
5
COM_
5
NC_
5
NO_6 COM_
6
NC_6
--
NO_7
--
COM_7
--
NC_7
Connect the cable from the external alarm system to the alarm connector.