RTS MCE-325 - Page 6

Bosch Security Systems, Inc.
Technical Manual
6 MCE-325 Programmable User Station
F.01U.193.288
Rev. 13
Mechanical Installation ..........................................................................................................................25
Electrical Installation .............................................................................................................................27
AC Power and Fuse ........................................................................................................................................... 27
Intercom Lines J8, J9, J10 ................................................................................................................................. 27
General ........................................................................................................................................................... 27
Connector Pin Outs ........................................................................................................................................ 27
4-wire Termination ......................................................................................................................................... 28
Program Inputs, J14 and J15 .......................................................................................................................... 28
External Speaker, J27 ..................................................................................................................................... 28
Auxiliary Connector, J22 ............................................................................................................................... 29
4-wire CH A and B Input ............................................................................................................................ 29
Key Outputs – Expanded IFB Option ............................................................................................................ 29
Remote Microphone Switch ........................................................................................................................... 29
ISO Connection .............................................................................................................................................. 30
External Headset ............................................................................................................................................ 30
External Electret Microphone ........................................................................................................................ 30
External DC Power Source ............................................................................................................................ 31
Remote Speaker Mute Control ....................................................................................................................... 31
Front Panel Headset Connections ...................................................................................................................... 31
Headset Requirements .................................................................................................................................... 31
Headset Connections ...................................................................................................................................... 31
OPERATION ..............................................................................................................................33
General ...................................................................................................................................................33
Operating Instructions ............................................................................................................................33
Momentary/Latching Button action .................................................................................................................. 33
LED Indicators .................................................................................................................................................. 33
Channel Selection .............................................................................................................................................. 33
Panel Mic/Headset Mic Selection ..................................................................................................................... 34
Microphone On/Off ........................................................................................................................................... 34
Speaker On/Off .................................................................................................................................................. 34
Volume Adjustment .......................................................................................................................................... 34
Front Panel Sidetone Nulling Trimmer Adjustment ......................................................................................... 34
Sending and Receiving Call Signals ................................................................................................................. 35
Receiving a call: .......................................................................................................................................... 35
Using the Talk-Off Feature ............................................................................................................................... 35
Front Panel Programming ......................................................................................................................35
Activating Setup Mode ...................................................................................................................................... 35
Menu Selection/Ending Setup ........................................................................................................................... 35
Submenus .......................................................................................................................................................... 36
Channel ID ..................................................................................................................................................... 36
4-channel Listen ............................................................................................................................................. 36
Mono .............................................................................................................................................................. 36
Call Disable .................................................................................................................................................... 36
Button Lock .................................................................................................................................................... 37
Latch Disable ................................................................................................................................................. 37
Instant Mic ..................................................................................................................................................... 37
Reset ............................................................................................................................................................... 37