Chapter 2, Installation of wiser2400 hardware, Standard hardware items – OTC Wireless WiSER2400 User Manual
Page 7: Power, Rs232 connection
Chapter 2
INSTALLATION OF WiSER2400
Installation of WiSER2400 Hardware
Standard Hardware Items
2 WiSER2400 radios
1 2-foot RS232 cable
1 3-foot RS232 cable (option –S, or –N, or –P)
1 ac-dc adapter
1 USB power adapter
1 pair of Velcro mounting pads
Power
This radio connected to your equipment draws power from an AC adapter that
plugs into a wall outlet. The radio connected to your computer draws the power
from a USB power adapter cable that plugs into the USB port of a notebook or
desktop computer.
Power can also be injected from the WiSER2400 over the RS232 cable (Option –
S and -N) to the equipment connected to the radio.
RS232 Connection
A pair of WiSER2400 radios is shipped with two RS232 cable. One of the cables
is 2 feet long and always has a female DB-9 connector at one end. This 2-foot
RS232 cable is used to connect a computer in a standard configuration. The 3-
foot cable is intended for use with any RS232 equipment (whiteboard,
instrument, etc.) and comes in one of the options listed below:
Option –S—terminates in a female DB-9 connector, when connected to a
powered-on radio, pin 1 supplies 5V, up to 350mA DC power
Option –N—terminates in a male DB-9 connector, when connected to a
powered-on radio, pin 7 supplies 5V, up to 350mA DC power
Option –P—terminates in a male DB-9 connector, no dc-power is available
from this cable
Connect the modular plug (which resembles an over-sized telephone plug) of the
RS232 cable to the modular jack (which resembles an over-sized telephone jack)
at the bottom panel of the WiSER2400 radio. Connect the DB-9 (9-pin, can be
female or male depending on the equipment) connector of the RS232 cable to
the RS232 port in the client equipment or computer.
Standard WiSER2400 radios operate at a data rate of 9600 baud. WiSER2400-M
operates at data rate of 19,200 baud. The WiSER2400 radio, however, is
inherently capable of supporting data rate up to 115K baud. Contact OTC for
applications that require customized or utility-configurable data rate.
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