SMARTALPHA-433 rfsolutions.ltd, SMARTALPHA-433 Datasheet - Page 10

• Manufacturer Part Number: SMARTALPHA-433
• Description: Smartalpha Rf Transceiver
• Manufacturer: rfsolutions.ltd

DSSMARTALPHA-2e.doc
USB Connector
RS232 Connector
Status LED’s
Power supply
Serial Data
Data Bits:
Parity:
Stop Bits:
•
•
•
OPT 1
Open
Open
Fitted
Fitted
Connections and Set-up
The SMARTALPHA-EVAL interfaces to the host computer via a USB Type A connector.
The RF SMARTALPHA-EVAL interfaces to the host computer via an RS232 connection using a standard
DB9 connector with pin out as shown in the diagram below.
For USB comms, power is automatically obtained from the USB connection. (No external power
required)
For RS232 comms external power is required. Power is provided by either J6 (as shown above)
Flow Control:
The SMARTALPHA-EVAL circuit board has three LED’s, representing the following signals:
PWR – Power on
Tx – Transmitting data
Rx – Receiving data
PC Serial Port
(DB25)
DTE
20
22
8
3
2
7
6
4
5
OPT 2
Fitted
Fitted
Open
Open
8
None
1
©2009 REG No 277 4001, ENGLAND.
None
Do NOT Fit
Do NOT Fit
Do NOT Fit
Do NOT Fit
S
RF STORM Modem
OPT 1
MART
(DB9F)
1
2
3
4
5
6
7
8
9
Tx
Rx
DTR
GND
RTS
CTS
POWER
ALPHA RF T
Baud Rate
19,200
38,400
4,800
9,600
Host
PC Serial Port
(DB9)
DTE
1
2
3
4
5
6
7
8
9
Page 10
RANSCEIVER
RF STORM M odem
(DB9F)
1
2
3
4
5
6
7
8
9
POWER
Tx
Rx
DTR
GND
RTS
CTS