33
CAT-5 Ethernet cable
Twisted-pair cables are required to be no longer than 100m and with a diameter of 0.51mm
(wire gauge of 24AWG). Shielded twisted-pair cables are recommended.
Contact input/output cables and external devices (optional)
The contact inputs or outputs are used to connect the system with third party device or
external devices. A cable with a cross-section of 0.5mm
2
to 1.5mm
2
is recommended.
Packing List Inspection
Please check the external packages for damage before unpacking them for content inspection. Use
the “Packing list” to check the package contents. Contact the carrier or supplier promptly in case of
any package content problems.
System Installation
The devices support cabinet installation, and the remote call stations support both desktop and
cabinet installation.
Installing the Devices in the Appliance Cabinet
Each device is attached with the cabinet brackets, which can be installed into a 19-inch cabinet
directly. Here, we take RK-MCU as an example for illustration, and this installation also works with
other devices.
Installation steps:
1
．
Install the cabinet brackets to both sides of the front panel for each device, which is shown as
below. Then use attached screws to fasten.
2
．
Install the devices into cabinet. To ensure good ventilation within the cabinet, it is recommended
to use a 1 U panel, placed between the power amplifiers and neighboring devices. The height
of each device is as following:
No.
Model
Name
Height
1
RK-MCU
Master Control Unit
3U
2
RK-ZONE8
8 Zone Expander
2U
3
RK-AMP500
500W Class-D Power Amplifier
2U
4
X-NPMS-R
Rack Bracket for Call Station
5U
Note: the height of 1 U is 44.5mm.
3
．
Install the bottom plate according to arrangement. Use screws to fasten the connection between
the plate and cabinet. Do not twist or squeeze the plate.
