Section 700 - Operation Chapter 7. SLT Features576-50-700 DBS 576HD (USA) issued September 2001 3-31• 34 Button Display Speakerphone in Gray (VB-44233G) and Black (VB-44233B)• EM24 - 24 Button Expansion Module in Gray (VB-44310G) and Black (VB-44310B)• DSS 72 - 72 Button DSS/BLF in Gray (VB-44320G) and Black (VB-44320B)• DSLT (VB-41200)In addition to the above Digital Key Telephone models, the System supports the complete line of theolder Panasonic proprietary 43-series telephones.For information on Key Telephone features and operation, see Chapter 5 of this manual. Forinformation on the DSLT features and operation, see Chapter 6 of this manual.Hardware Requirements• N/ARelated Programming• N/AConsiderations• N/AAnalog Device CapabilityThe System supports analog telephone devices. These devices include fax machines, answeringmachines, cordless telephones, computer modems as well as standard rotary and push buttontelephones. This provides full flexibility in configuring the System.Hardware Requirements• Analog devices must be connected to an analog port.Related Programming• N/AConsiderations• N/ADP/DTMF SLTsThe System supports both DP (rotary dial) and DTMF (push button) analog extension types.Hardware Requirements• N/ARelated Programming• N/AConsiderations• The CPC card provides 4 DTMF receivers. Traffic levels may require that one or more MFR(DTMF) circuit cards be installed. Each MFR card provides 8 DTMF decoders.