|Description:||DK16E 4 Circuit DTMF Receiver|
One per system required for connection of DTMF standard telephones. Direct Inward System Access lines, and voice mail devices. Also provides-busy tone detection for Auto Busy Redial The K4RCU3 mounts in the base KSU.
Compatible with DK16, DK16e, DK40, DK40i.
Manufacturer's part#, K4RCU3A
Other variations, K4RCU3, K4RCU
last revised on May 20, 2019, 11:13 am