
Advanced User Manual
www.rovingnetworks.com
rn-bluetooth-um Version 4.77 11/21/2009
809 University Avenue • Los Gatos, CA 95032 • Tel (408) 395-6539 • info@RovingNetworks.com
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10 Serial Adapter Configuration
10.1 Serial interface hardware flow control
Pin connections for the Roving Networks FireFly, BluePort and FirePlug products
DB9 pin # FireFly Male FireFly Female
1 NC NC
2 RX TX
3 TX RX
4 NC NC
5 GND GND
6 NC NC
7 RTS RTS
8 CTS CTS
9 V+ V+
FireFly Male DB9
DTE 3 Wire - Flow control DISABLED
(Factory Default)
Jumpers
1↔2
3↔4
9↔10
DTE - Flow control ENABLED
Jumpers
1↔2
3↔4
5↔6
7↔8
DCE Flow control ENABLED
(Num Modem)
Jumpers
1↔3
2↔4
5↔6
7↔8
FireFly Female DB9
DTE 3 Wire – Flow control DISABLED
(Factory Default)
Jumpers
1↔3
2↔4
9↔10
DTE - Flow control ENABLED
Jumpers
1↔3
2↔4
5↔6
7↔8
3
5
7
9
4
6
8
10
3
5
7
9
4
6
8
10
3
5
7
9
4
6
8
10
3
5
7
9
4
6
8
10
3
5
7
9
4
6
8
10
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