Chapter 5 _________________________________________________ Installing Indoor Components
VAISALA ______________________________________________________________________ 131
AC (Mains) Power
AC (mains) power is connected through the AC (mains) switch as
follows:
1.
Make sure that the AC (mains) switch is off.
2.
Connect the power cord to the
Power
connector on the back of
the QCA101 unit.
3.
Plug the power cord into a properly grounded electrical outlet.
4.
Do not switch the power on until you have connected the data
and antenna cables.
Grounding
If additional grounding is required, for example, due to insufficient
grounding of the electrical network, connect the extra grounding cable
to the
Grounding
connector on the QCA101 unit. The need for
additional grounding is case-specific and all the accessories for the
grounding must be supplied locally.
RS-232 Connection to MIDAS IV PC
Connect the provided RS-232 cable labeled with
PC
and
QCA101
between the QCA101 unit and MIDAS IV PC as follows:
1.
Connect the cable end with
PC
label to MIDAS IV PC and
secure with the screws.
2.
Connect the other end of the cable to the QCA101 unit and
secure with the screws.
Communication Connection to the QCA101 Unit
The communication connection (landline connection) for the modem
uses a twisted pair cable. The cable is connected to the
Field
cable
connector.