AT&T System 85 manual Considerations, Digital Terminal Data Module PEC Codes

Function Key Modules

Considerations

Either a Digital Terminal Data Module, a Call Coverage Module, or a Digital Display Module can be mounted on the same terminal with a Function Key Module.

Digital Terminal Data Module PEC Codes

The F201A and F401A Function Key Modules were ordered using the following PECs:

F401A Function Key Module—31744

F201A Function Key Module—31721

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