TCI-20

TCI-20 TELEGRAPH CIRCUIT INTERFACE - 20: 

 

TCI-20 

This interface provides up to twenty telegraph inputs to the System 3505 Prism LX. optional PCBs (shown at left) configure the inputs to 100 Ma, 24 VDC, N.O. or N.C. Once installed, precludes TCI-1 or TCI-6. Multiple TCI-20 units may be used.