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RF Neulink NL900PRO User Manual

Page 6

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S E R I A L I N T E R F A C E

3

The NL900PRO supports RS232, RS485, and RS422 protocols. Raveon Technologies wireless solutions are
not subject to the cabling restrictions for distance, and either interface is available when ordering.

F i g u r e 1: N L 9 0 0 P R O S t a t u s L E D s

Status LEDs

DIP Switch



RPSMA Antenna Connector


ON

Pwr Link Rx Tx

1 2 3

4 5 6


T A B L E 2 : S T A T U S L E D S

L E D

C O L O R

D E S C R I P T I O N

Pwr

Green

On indicates that the unit is powered up.

Link

Red

On indicates that the Client unit(s) and Server unit are in range of

each other. Client units activate the Link LED when in Range of the
Server unit. Always lit on a Server unit.

RXD

Green

When flashing, indicates that the NL900PRO is receiving data.

TXD

Red

When flashing, indicates that the NL900PRO is transmitting data.

F i g u r e 2 : N L 9 0 0 P R O D I P S w i t ch S e t t i n g s

ON

1 2 3 4 5 6




Serial Interface




TX/RX Mode

1 2

5 6

RS232

RS232

RS485/422 Termination
3 4

Client, Addressed

Client, Broadcast

Forced 9600

2 wire
RS485

4 wire
RS485/422

None

2 wire RS485
termination

4 wire RS485/
422 termination

Server, Addressed

Server, Broadcast