Defining the RC-53DLC
7
7
Figure 2
and
Table 2
define the
RC-53DLC
rear panel for the European version.
Figure 4: RC-53DLC European Version– Rear Panel
Table 4: RC-53DLC European Version – Rear Panel Features
#
Feature
Function
1
Program USB Connector
Connect to a computer for firmware upgrade
1
2
Grounding Screw
Connect to grounding wire (see
Section
4.3
)
3
RS-232
Terminal Block
For factory use only
4
K-NET
Terminal Block
Connect the GND to the Ground connection
2
, connect B (-) and A (+)
to RS-485, and c12V to +12V on the companion unit
5
K-NET
Terminal Block
6
PROG Switch
For technical support use only (should be set to the right in the direction of
the arrow for normal operation)
7
K-NET TERM Switch
Slide downwards (in the direction of the arrow) for K-NET termination, slide
upwards to leave bus unterminated. The last physical device on a K-NET
bus must be terminated
You can reach the KNET termination switch by inserting a small screwdriver
into the gap between the rear panel PCB and the metal rear panel cover.
1 When the unit is connected via K-NET to a Master Room Controller, you can upgrade the firmware via the USB or ETH ports of the
Master Room Controller
2 The ground connection is sometimes connected to the shield of the RS-485 cable (in most applications, it is not connected)
