Paradise RA 5785 manual 1 Interface Selection

Models: RA 5785

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Table 8-1: Interface Selection

The selected interface is controlled by a combination of internal SSPA settings and/or Interface control pins: Baud1 (Pin e) and Baud0 (Pin j) on the J4 M&C connector (See Table 8-1).

Table 8-1: Interface Selection

Baud0 (Pin j) state

Baud1 (Pin e) state

Selected interface

Open

Open

Interface selected by Internal SSPA settings

 

 

 

Closure to

Open

Interface is forced to Ethernet interface. IP address is fixed to

Chassis ground

192.168.0.9. Protocol is forced to Normal (HTTP web supported)

 

Open

Closure to

Interface is forced to Ethernet interface. IP address is software

Chassis ground

selectable. Protocol is forced to Normal (HTTP web supported)

 

Closure to

Closure to

Interfaced is forced to 9600 Baud serial.

Chassis ground

Chassis ground

 

Note: The state of these pins is sensed by the SSPA unit only at power up! Changing the state of these pins during normal unit operation will not affect the selected type of interface.

FSK interface allows the selection of Normal and VSAT protocols.

Note: For proper FSK interface operation, the SSPA internal settings must be selected to 9600 Baud and Normal protocol. Do not make a connection to interface control pins Baud1 and Baud0!

Note: For maximum ESD protection of a SSPA’s Serial interface internal circuit, the RS232/RS485 interface is isolated from the SSPA chassis ground. Serial interface has a separate interface ground pin (Pin d on the J4 connector). Connecting this pin to common ground will effectively disable the protection circuit and may cause interface failure.

All interface lines are equipped with transient suppression devices. Adding extra transient protection to communication lines is not required and may cause interface failure!

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Operations Manual, HPA3, Mini Compact Outdoor SSPA

Page 60
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Paradise RA 5785 manual 1 Interface Selection