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@9 Controller Port [REMOTE]
Connect with a Remote Controller WV-CU20 that only
operates the unit. Connection cable is a 6-conductor
modular type included in the Controller. (RJ-11)
#0 RS-485 Host Port [RS-485 HOST PORT]
Use this when connecting with another WJ-NT204 unit
to operate them from a single controller such as a PC
through the RS-485 daisy chain. Make certain to set the
DIP switch #9 on the front panel to OFF when using this
port. (RJ-11)
#1 Setup DIP Switch [SETUP]
A 6-bit DIP switch is provided with the following func-
tion. The default position is marked with *. See INSTAL-
LATIONS on how to set these switches.
#2 RS-485 Data Port [RS-485 DATA PORT]
Use this when connecting with other PS
•
Data
(Panasonic Security) devices such as WJ-MP204 Data
Multiplex Unit, WJ-FS409 Video Multiplexer and so forth
to operate them from a Remote Controller through the
RS-485 chain.
The DIP switch #4 on the rear panel must be set to OFF
when using as an RS-485, or to ON as an RS-232C.
The DIP switch #3 on the rear panel changes terminal
wiring either Straight or Crossover as shown below.
(RJ-11)
This switch is set to OFF for a Receiver, and ON for a
Transmitter when CCTV devices are connected.
#3 RS-232C Data Port [RS-232C DATA PORT]
Use this when communicating with other RS-232
devices through D-Sub 9-pin connector. The pin func-
tion is basically the same as the RS-232C HOST port
on the front panel.
#4 Ethernet Port [10BASE-T/100BASE-TX]
Connect the 10/100BASE-T terminal to an Ethernet with
a 10BASE-T or 100BASE-TX cable.
#5 Signal Ground [SIGNAL GND]
#6 AC Inlet [AC IN]
HOST PORT
GND
BABA
GND
123456
Receive
RS-485
Host port
Transmit
5
4
TA
TB
Transmit
3
2
RA
RB
Receive
WJ-NT204
Straight
For PC
DATA PORT DATA PORT
GND
BABA
GND
123456
GND
BABA
GND
123456
Transmit Receive TransmitReceive
RS-485 Data port
Crossover
(Transmitter)
Straight
(Receiver)
5
4
TA
TB
Transmit
3
2
RA
RB
Receive
WJ-NT204
Straight (Receiver)
For
System Controller
ex.) WV-CU360
5
4
RA
RB
Receive
3
2
TA
TB
Transmit
WJ-NT204
Crossover (Transmitter)
For
Matrix
Switcher
Bit # OFF
Open*
Open*
Receiver*
(Straight)
RS-485*
Open*
Open*
ON
Terminate
Terminate
Transmitter
(
Cross)
RS-232C
Terminate
Terminate
Function/Note
Termination on Transparent
Receiving side
Termination on Transparent
Transmission side
RS-485 DATA PORT wiring
exchange
DATA PORT selection
Termination on Host Receiving
side
Termination on Host Transmission
side
#1
#2
#3
#4
#5
#6
RS-232C
DATA PORT
q
yuio
wert
RS-232C Data Port
No.
Signal Function Direction as seen from
name WJ-NT204
1C D
Receiver carrier Input
detection
2 R D Receiving data Input
3 S D Sensing data Output
4 E R Data connection ready Output
5 S G Signal Ground –
6 D R Data set ready Input
7 R S Request send Output
8 C S Send enabled Input
9 N. C. (Not used)