Full-duplex Speakerphone
Dip Switches
Strata DK Digital Telephone 6/00 121
Figure 7 External Microphone On/Off
Figure 5 RFDM Plug on DKT2020-FDSP Figure 6 RFDM Unit
5218
EXT MIC
EXT MIC
LOW HIGH
5217
5352
RFDM Unit (OFF Position) RFDM Unit (ON Position)