Specifications

SB-P-06-4066
sepura
Mobile & Gateway Accessory i/f
specification
30th July 2012
Page 7 of 39
Issue 7c
© Sepura plc 2011
PREFACE
INTRODUCTION
This product bulletin describes the electrical and physical interfaces of the 2000 and 3000
series of Sepura Mobile and Gateway products.
It has been produced to enable accessory providers to interface their products to these radio
platforms.
TERMINOLOGY
Term
Definition
Signal names with lower case
―n‖.
These signals are active low.
ABBREVIATIONS
Convention
Description
AAI
Audio Accessory Interfaces
AIU
Application Interface Unit
DMU
Desktop Mount Unit
MDT
Mobile Data Terminal
RCI
Remote Control Interface
RCU
Remote Control Unit
PEI
Peripheral Equipment Interface
PTT
Press-to-talk switch.
CONVENTIONS
Convention
Description
Note icon, emphasizes related, reinforcing, or important information.
Caution icon. Indicates actions or processes that require caution from the user