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■ WJ-SX550A/B/C Matrix Switcher Control
● Connections
(1) Connect the MONITOR OUT connectors on the rear of the WJ-SX550A/B/C to the VIDEO IN connectors 1 to 4 on the
rear of the WJ-NT104.
(2) Connect the RS-232C ports (of WJ-SX550A/B/C and WJ-NT104) with a RS-232C cable. You can also connect the
CONTROL DATA port on the rear of the WJ-SX550A/B/C to the RS-485 connectors on the rear of the WJ-NT104.
• Random Input Selection Mode
For VIDEO INPUT SELECTION MODE under OPERATION MODE SELECT, mark RANDOM INPUT SELECTION MODE.
Unless a user changes channels, the last selected channel is used to continue transmission.
The image transfer speed is higher than in Multi Input Selection Mode.
OPERATE
Matrix Switcher WJ-SX550550
LINK RCV XMT
OPERATE
Network Interface Unit WJ-NT104
1
1
1
1
PC
PC
PC
PC
WJ-NT104
WJ-SX550A/B/C
MON1 MON2
MON1 MON2
MON1 MON2
MON1 MON2
Monitor
Out 1
Monitor
Out 2
Monitor
Out 3
Monitor
Out 4
• Multi Input Selection Mode
For VIDEO INPUT SELECTION MODE under OPERATION MODE SELECT, mark MULTI INPUT SELECTION MODE.
This mode switches periodically between multiple channels at high speed so that transmission to two or more users
requesting different channels is possible.
The image transfer speed is lower than in Random Input Selection Mode.
OPERATE
Matrix Switcher WJ-SX550550
LINK RCV XMT
OPERATE
Network Interface Unit WJ-NT104
1
2
3
4
PC
PC
PC
PC
WJ-NT104
WJ-SX550A/B/C
Monitor
Out 1
Monitor
Out 2
Monitor
Out 3
Monitor
Out 4
MON1
MON2
MON3
MON4
RS-232C
DB25 DB9
8 ...................... 1
3 ...................... 2
2 ...................... 3
20 .................... 4
7 ...................... 5
6 ...................... 6
4 ...................... 7
5 ...................... 8
22 .................... 9
Data Port (WJ-SX550A/B/C)
Pin No. Designation
1 Ground
2 R(B)
3 R(A)
4 T(B)
5 T(A)
6 Ground
RS-485
R(B) ............ T(B)
R(A) ............ T(A)
T(B) ............ R(B)
T(A) ............ R(A)