3M C860 - Connectors

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CHANNEL SELECT Switch

Programming Jack

RESET Switch

Selects base station operating channel.

For programming headsets/belt packs to the same channel as the base station.

For programming new channel selection or jumper setting(s) into the

microprocessor.

Connectors:

AUXILIARY Terminal Strip

An extra 4 terminals at the bottom of the right–hand terminal block.

Loop Detector Connector

Noise Reduction Connector (under left half–cover)

Main Page

Installation Instructions1
Table of Contents3
Typical Single Lane Installation5
Figure 1. Typical Installation5
Battery Charger6
Figure 2. Battery Chargers (3-Slot and 6-Slot Versions)6
Speaker and Microphone Assemblies7
- Standard Systems7
- Duplex Systems7
- Face-To-Face Type Duplex Systems7
Figure 3. Base Station Mounting Holes7
Base Station7
Figure 4. Interconnect Module8
Interconnect Module (Optional)8
Figure 5. Direct Base Station-To-Component Connections9
Connecting the Base Station Directly to Components9
Figure 6. Base Station - Interconnect Module Connections10
Connecting the Base Station to Components Using the Optional Interconnect Module10
Figure 7. Connecting Components to the Interconnect Module11
Figure 8. D-15D (M478 DA) Connections12
Figure 9. D-15B and D-15C (M478 BA and CA) Connections12
Connecting the Auxiliary Intercom (Optional)12
Figure 10. D-30 Connections13
Dual Lane System Installation13
Cross Lane System Installation14
Figure 11. Cross-Lane Wiring Diagram15
System Configurations and Function Jumper Settings18
- Standard Operation - Single Lane System (One Base Station)18
- Standard Operation - Dual Lane System (Two Base Stations)18
- Duplex Operation - Single Lane System (One Base Station)19
- Duplex Operation - Dual Lane System (Two Base Stations)19
Figure 12. Removing the Half-Cover from the Base Station20
Channel Selection20
- Figure 13. Base Station Circuit Board21
- Alert Tone Level22
  - Monitor Speaker Volume Levels23
- Duplex and Standard Systems22
- Duplex Systems Only22
- Standard Systems Only23
  - Listen Level (Menu Sign Microphone Sensitivity)23
  - Menu Sign Talk Volume Level23
Setting Audio Levels21
Circuit Board Jumpers, Adjustment Controls, Indicators and Switches25
- Jumpers25
- Figure 14. Base Station Circuit Board25
- Adjustment Controls26
- Indicators26
- Switches (Etc.)26
- Connectors27
Finishing up28
Troubleshooting Audio Feedback28
Technical Assistance28

3M C860 - Connectors

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