XBee
‐
PRO®
XSC
RS
‐
232/RS
‐
485/USB
RF
Modem
‐
Product
Manual
©
2013
Digi
International,
Inc.
7
Figure
1
‐
03. Front
View
(RS485)
1-03a. Serial Port
Phoenix 6- pin connector
1-03b. Power Connector
7-30 VDC power connector
1-03c. DIP Switch
120 ohms termination for the receiving differential pairs if switch is in
the up Position. Switch 1 is for half duplex (2 wire) termination.
Switch 2 is for full duplex (4 wire) termination.
1-03d. Reset Button
The Reset Switch is used to reset (re-boot) the XBee-PRO XSC RF
Modem. This switch only applies when using the configuration tabs of
Digi’s X-CTU Software.
Figure
1
‐
04. Back
View
(RS485)
1-04a. RSSI LEDs
Not applicable to XBee-PRO XSC RF Modem.
1-04b. I/O & Power LEDs
LEDs indicate RF modem activity as follows:
Yellow (top LED) = Serial Data Out (to host)
Green (middle) = Serial Data In (from host)
Red (bottom) = Power/TX Indicator (Red light is on when powered,
off briefly during RF transmission)
1-04c. Commissioning Push Button
Not applicable to XBee-PRO XSC RF Modem.
1-04d. USB Mini-B Port
When USB mini is plugged in, all RS485 communications to and from
the XBee are disabled. The USB is to serve as a configuration port.
The XBee should not transmit if USB is plugged in.
1-04e. Antenna Port
Port is a 50
Ω
RF signal connector for connecting to an external
antenna. The connector type is RPSMA (Reverse Polarity SMA)
female. The connector has threads on the outside of a barrel and a
male center conductor.