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MAJOR OPERATING CONTROLS AND THEIR FUNCTIONS
Front View
q
POWER
ON
OFF
q Power Switch & Power Indicator [POWER]
Press this switch to turn on or off the power of the unit.
The indicator lights while the power is turned on.
w [LINK/10BASE-T] indicator
Lights when communication is established through
lines (LINK) or a 10BASE-T LAN.
e [100BASE-TX] indicator
Lights when communication is established through a
100BASE-T LAN, along with the LINK/10BASE-T indica-
tor.
r [CONNECT] indicator
Lights when signaling the data only in H.261 mode.
t [ACT] indicator
Blinks when receiving and sending IP packets.
y Ringer Volume Control [RING. VOL]
Turn this control to adjust the sound level that beeps
when receiving a call.
u Ringer Buzzer
Beeps when receiving a call only in H.261 mode.
i Reset Button [RESET]
Pressing this button shuts down the current operation
and restarts the system.
11
w e r t y
u
LINK/
100
RING.VOL
10BASE-T
BASE-TX CONNECT
ACT
LOW
HIGH
Network Interface Unit WJ-NT
RS-232C
RESET
MODE
HOST PORT
i
o
!0
o RS-232C Host Port [RS-232C HOST PORT]
The unit communicates with the host computer through
this D-Sub 9-pin connector. Setting the MODE DIP
switch #9 specifies the mode and usable port from
among RS-485 (Rear Panel) and RS-232C (Front
Panel). Available controls are as follows.
• Communication control such as calling and discon-
nection
• Up/Download for software
• Download for communication log and alarm log
RS-232C
q
w er t
y u i o
HOST PORT
RS-232C Host Port
Signal
Function
No.
name
Receiver carrier
1
C D
detection
2
R D
Receiving data
3
S D
Sensing data
4
E R
Data connection ready
5
S G
Signal Ground
6
D R
Data set ready
7
R S
Request send
8
C S
Send enabled
9
N. C.
(Not used)
Direction as seen from
WJ-NT204
Input
Input
Output
Output
–
Input
Output
Input
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