Radio Modem Box
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User Manual
Rev. 1.0 - 24/06/04
4.2 Description of version with battery charger
Radio Modem Box incorporates a 24V battery with battery charger. 24V supply is
controlled by a selectable internal timer (after a certain period of time, voltage is cut
off to avoid running the battery flat).
The GSM modem is powered from the internal 24V source.
WARNING:
Interfacing with PTX LCD is only possible when PTX LCD has the 24V
option (option /03) installed.
WARNING:
Radio Modem Box has been designed to interface directly with the
system comprising PTX LCD with 16-bit CPU (for telemetry management) and
amplifier or combiner (or other non-R.V.R. Elettronica device using the "Ext.
Telemetry" terminal board) as it incorporates all necessary connections for both
telemetry and mains management.
The following R.V.R. Elettronica amplifiers are suitable for connection to Radio Modem
Box: PJ300M, PJ501M, PJ500M, PJ1000M, PJ1000C LCD, PJ2000M-C. All HC
LCD couplers are compatible with Radio Modem Box.
Example of connection to PTX LCD:
220VAC
MAINS IN
24VDC IN
24VDC OUT
RADIO MODEM BOX
POWER AMP
PTXLCD con
cpu16bit
REMOTE
TELEMETRY
AMP TELEMETRY
PTX REMOTE
RS232
RS232
When connected to a system that incorporates a telemetry unit, such as TLC300, it
provides backup power, Mains failure signalling and GSM model connection failure
signalling.
WARNING :
Radio Modem Box offers no auxiliary telemetry connection; telemetry
control resides on TLC300 or specially designed devices (SCM-TLC family).
