Model 214A User Guide
Issue Preliminary 1, October 2022
Studio Technologies, Inc.
Page 27
Model 214A
ANNOUNCER’S CONSOLE
Appendix B: 3-Pin Header Connector Details
The following list provides details on the 3-pin header connectors located on the Model 214A’s printed
circuit board. Shown are both reference numbers and associated functions.
P2: Microphone Input
Pin 1: Common
Pin 2: High (+)
Pin 3: Low (–)
P5: Headphone Output
Pin 1: Common
Pin 2: Left Channel (Tip)
Pin 3: Right Channel (Ring)
P6: DC Output
Pin 1: Common
Pin 2: 10-18 volts DC Out
Pin 3: Not Used
P7: Relay Contact 1
Pin 1: Common
Pin 2: Normally Open
Pin 3: Normally Open
Note:
Pin 2 connects (closes or shorts) to Pin 3 when the configured function or functions active.
P8: Relay Contact 2
Pin 1: Common
Pin 2: Normally Open
Pin 3: Normally Open
Note:
Pin 2 connects (closes or shorts) to Pin 3 when the configured function or functions active.
P10: Contact Closure Inputs – Main and Talkback
Pin 1: Common
Pin 2: Main Pushbutton Switch
Pin 3: Talkback Pushbutton Switch
