Service manual

TP0332/2 G.1
SRP8000 SERIES VHF/UHF PORTABLE RADIO
APPENDIX G - USER MEMORY PLUG
Figure G.1 User Memory Plug
INTRODUCTION
The User Memory Plug (UMP) is used to transfer a radio customization from the radio to the UMP
(store customization data), and from the UMP to the radio (update or reload customization).
The UMP is a small robust module containing one IC, one capacitor, one resistor and three diodes.
Connection to the radio is via the ancillary sockets using a 3,5mm stereo jack plug and a 2,5mm dummy
jack plug in a common housing.
The UMP may be left permanently attached to the radio.
Terminology
In the following text, jack connections are defined as follows:
SPECIFICATION
Mechanical
Connectors : 3,5mm stereo jack ) housed in
2,5mm dummy jack) common moulding.
Environmental
Storage Temperature : –40° to +80° C.
Operational Temperature : 20° to 55° C.
Sleeve
Ring
Tip