Rev. 2 - 02/05
KBS-1 Coax to Digital
Video Converter Unit
The Alpha Communications®/S.T.R.™ KBS-1
coax to digital video converter unit is used only with
the VH30ANC and VH30CNC series 'NoCoax'
video-intercom systems. The KBS-1 is used to
convert the video data signal from the lobby entry
camera coax to a digital signal to be sent to the
'NoCoax' video monitor(s).
The KBS-1 gets its power from the NGC20 DC
power supply. All KBS-1 connections are positive
screw terminal type.
Each lobby (or other camera) connected to the
'NoCoax' series video-intercom system, requires
one (1) KBS-1 converter (and associated NGC20
• Easily Installs Right on Finished Wall Surface or in
Optional Junction Box
• Operates on Safe Low-Voltage Class II Wiring
• Positive Screw Terminal Connectors
• Compact size allows mounting inside most lobby entry
0.75" (20mm) from mounting
High impact Black ABS plastic case
Positive screw terminal connectors
0-50 degrees C.
Surface-mounted (usually installed near the
system amplifier/power supply and other
system central equipment).
ARCHITECTS' AND ENGINEERS'
The coax to digital video converter unit(s)
shall be Alpha Communications®/S.T.R.™
model KBS-1, or approved equal. The KBS-
1 shall be built into a rugged high impact ABS
plastic case, and shall be powered by the
model NGC20 DC power supply.
Once KBS-1 (and NGC20) shall be required
for each camera that contractor will connect
to the Alpha Communications®/S.T.R.™ 'No-
Coax' video-intercom system.
Low voltage wiring shall be used and positive
screw terminal connectors shall be provided
for installation wiring. The KBS-1 shall be
mountable right to the surface of the wall or
in a customer-supplied junction box cabinet.
Contractor shall observe all local and na-
tional electrical and building codes.