Kramer Electronics RC-53DLC - Manual (Page 10)

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 connect +12V 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)