Figure 3 further details the mating plugs, pin-outs, and so on pictured in Figure 2.
Note that for externally supplied power sources, the DC supply hook-up can handle
forward or reverse hook-up of the input source. The internal bridge can handle either
polarity. There are, naturally, no polarity concerns with an externally supplied AC power
source.
Figure3.
DLH6420 Rear View Connector Details
PIN1
PIN8
IN
PIN1
PIN8
OUT
RJ45 COMMUNICATION CONNECTORS
IN INPUT FROM CONTROL UNIT
OUT USED FOR CABLING SUBSEQUENT UNIT
AC LINE CORD INPUT
100~240VAC@50/60Hz
NOTE
：
：
：
：
If an external AC power
supply or DC power source is used,
then these power sources should be
capable of supplying at least 8 watts.
WARNING
：
：
：
：
If using an external
power source, it must be isolated
(floating).
PIN8
PIN1
IN
OUT
PIN1=TX+
PIN2=TX-
.
.
.
.
.
.
PIN7=RX-
PIN8=RX+
WARNING
：
：
：
：
If using an external
power source, it must be isolated
(floating).