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Defining the RC-53DLC
5
5
Figure 2
and
Table 2
define the
RC-53DLC
rear panel.
Figure 2: RC-53DLC US Version – Rear Panel
Table 2: RC-53DLC US 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 left in the
direction of the arrow for normal operation)
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)