WaveWare RCD-1 - Manual (Page 6)

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4. Addressing
The POCSAG communication protocol is used to send data to VHF and UHF versions of the RCD-1.
POCSAG requires that all data transmitted be sent to a particular address. POCSAG addresses use a 21 bit
address, meaning they are in the range of 0000001 through 2097151. Some companies refer to these
addresses as capcodes. The 900 band version of the RCD-1 receiver uses the FLEX communication
protocol.
Up to eight addresses (capcodes) can be programmed into an RCD-1 receiver POCSAG models, and 16
addresses can be programmed into the RCD-1 receiver FLEX models. One capcode is generally used for
the unit’s individual address, and another is generally used as a group address. The POCSAG models of the
RCD-1 receiver can also be configured to use POCSAG function codes for addressing. There are four
POCSAG function codes per capcode.
“7xxx” output control commands and data messages can also include an additional sub-address or password
that can be used to share one capcode between a number of devices. The RCD-1 will respond to up to two
passwords or sub-addresses, allowing one to be used as an individual address and the other to be used as a
group address. It is possible to selectively control serial data output using sub-addresses.
The addresses are programmed into a unit via PC programming software and a programming kit. Refer to
the Programming Section of this manual for information on how to program the RCD-1.