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Installation
Item
Specification
6 RX
-
Green
2
7
White W/Brown
8
Brown
2.6.3
Alarms Connector
An RS-232 15-pin connector, provided at the rear panel, enables Form C relay outputs of the
Demodulator status.
Table 2.6: Alarms Connector
Item
Specification
Connector type:
9-way, D-sub type, Female
Connector designation:
ALARMS
Standard: Custom
Configuration: -
Relay 1:
1
Common
6 Normally
Closed
8 Normally
Open
Relay 2
2
Common
7 Normally
Closed
3 Normally
Open
Relay 3:
5
Common
4 Normally
closed
9 Normally
Open
5 1
6
9
2.6.4
RF (L-Band) Input Connector
One or more RF inputs may be provided on the rear panel, labelled as Channel 1, Channel 2,
etc., to receive RF signals from the antenna LNB. For signal specification, see Appendix A:
Technical Specification.
Table 2.7: RF (L-Band) Input Connector
Item
Specification
Connector type:
F-type 75
Ω
female socket
Connector designation:
RF Input Channel 1
RF Input Channel 2
Pin-outs: Centre
RF
Signal
Shield
Ground/Chassis
2.6.5
ASI Output Connector
One or more ASI outputs may be provided on the rear panel, labelled as ASI 1, ASI 2, etc., to
receive transport streams. For signal specification, see Appendix A: Technical Specification.
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SBD75e Series Demodulator Installation and Operation Manual