Emergency Voice / Alarm Communications System
5-Channel Amplifier Switch
KB-D21M 5-Channel Amplifier Switch monitors up to 5 main power amplifiers which will be switched automatically to the spare amplifier should any one fail.
KB-D21M 5-Channel Amplifier Switch monitors up to 5 main power amplifiers which will be switched automatically to the spare amplifier should any one fail. With 5 independent channels, it can also be operated manually for power amplifier upgrades and maintenance. Each channel has volume control, manual switch, and status indicator.
Features & Benefits:- Can connect to 5 main amplifier, and 1 spare amplifier
- Can automatically detect the fault of amplifier, and shift the signal of the first disabled main amplifier to the spare amplifier and the rest display the fault condition through indicator
- When device detects the fault, it can transmit warning tone by itself
- There are three types of indicators: Main, Fault and Spare
- Remote power control, remote inquiry of fault, and spare channel shifting control
- Short circuit power activation
- Apply address setting switch, use decimal system to set the local address
- CE
- RoHS