Multi-Function Module - AT&T MERLIN LEGEND System Reference Manual

Hardware
Figure 5-12 Multi-Function Module
WARNING:
The MFM can be installed or repaired only by an AT&T technician or an
authorized dealer representative. To eliminate the risk of electrical shock,
the MLX telephone should not be disassembled.
T/R adjuncts operate independently of the telephone. If the telephone is in use,
voice or data calls can still be sent and received by the adjunct. The MFM
allows the use of the following T/R adjuncts:
answering machines
fax machines
modems
credit card verification terminals
cordless telephones
2500-type telephones
Adapters 5-21