10
Contact:
Signal name: Functional description:
nr. 1
+27V
Power supply input, 150mA maximum
nr. 2
RDY
Output: high when ready to transmit
nr. 3
GND
Common ground, shield
nr. 4
*A1
Input: BCD bit 0; low when A0 selected
nr. 5
*A2
Input: BCD bit 1; low when A2 selected
nr. 6
*A4
Input: BCD bit 2; low when A4 selected
nr. 7
*A8
Input: BCD bit 3; low when A8 selected
See S.4-1a and fig. 4-1for details on how the input and output signals are to
be used.
N O T E
When the Code Levels selector is in pos.1", all low
levels become high and vice versa.
c) Connect the common coaxial cable to the COMMON connector and
then all antenna cables to the respective antenna connectors. Make a list of
antenna number destinations. Place the plastic protection caps onto all free
antenna connectors and keep the rest for possible connection changes and/
or shipment.
d) Connect the control cable the last.
3. OPERATION
After following all instructions in S.2, you can power on the antenna switch
and control it through the control cable.
3-1. OPERATION IN THE ACOM SYSTEM
Operation using the ACOM2000S antenna selector, the ACOM2000A HF
linear amplifier, and/or the ACOM DOS application for PC is automatic. No
operator intervention is needed to change antennas.
Anyway, you may still change antennas manually from the selector
UP/DOWN buttons or amplifiers RCU as well.