EMS 7000 IRIS +
7940 ENGINEERS GUIDE v2.2 – 13/04/10
4
3. Equipment Required:
7940 Contact Operated Transmitter
7256 IRIS Receiver with standard 7200 software or 7703 Receiver
Power Supply Units
Windows HyperTerminal with serial lead if programming changes
are required.
3.1
Remote devices and high gain aerials may also be required for range extension,
depending upon the customer’s specification and requirements. Please note both
the contact operated transmitter and the IRIS receiver will require an external
power supply, whilst the 7703 receiver is available with a built in power supply
part number 7703/P. Figure 1 shows a typical IRIS radio system, whilst Figure 2
shows an alternative system using a Single Channel 7703 Receiver:-
Figure 1
7940
Half Watt Txer
7940
Half Watt Txer
7940
Half Watt Txer
7256 IRIS+ Rxer
Four Input Data
Transmissions
Four Input Data
Transmissions