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Multiple video head connections, Remote, User – Lindy MC5-IP User Manual

Page 22: Host, Computer, Cam cam, Multiple video, Head connections, On 2 1 4 3

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5V

5V

WARNING

!

RJ45 CONNECTORS ON THIS

PANEL ARE FOR CONNECTION

TO ADDER KVM EQUIPMENT ONLY.

DO NOT CONNECT TO NETWORK OR

TELEPHONE SYSTEMS

4A

4A

AUX PWR IN

MAIN PWR IN

ON

2

1

4

3

POWER CONTROL

COM1 / UPGRADE

COM2 / MODEM

KM

USER PORT 1

CATx USER PORTS

COMPUTER CONNECTIONS

COMPUTER CONNECTIONS

COMPUTER CONNECTIONS

Made in

the U.K.

Indoor use only

OPTIONS

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1

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5

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5V

5V

WARNING

!

RJ45 CONNECTORS ON THIS

PANEL ARE FOR CONNECTION

TO ADDER KVM EQUIPMENT ONLY.

DO NOT CONNECT TO NETWORK OR

TELEPHONE SYSTEMS

4A

4A

AUX PWR IN

MAIN PWR IN

ON

2

1

4

3

POWER CONTROL

COM1 / UPGRADE

COM2 / MODEM

KM

USER PORT 1

CATx USER PORTS

COMPUTER CONNECTIONS

COMPUTER CONNECTIONS

COMPUTER CONNECTIONS

Made in

the U.K.

Indoor use only

U S

U S

CAM

CAM

CAM

CAM

Slave MC5

Master MC5

Master monitor

Slave monitor

Computers fitted
with dual video
heads

Serial

synchronisation

cable

Multiple video head connections

Two or more MC5 units can be connected together
so that they operate in a synchronised manner.
Synchronised operation is useful for applications
that require multiple video signals to be switched
together. This type of operation is usually required
where each computer is fitted with multiple video
cards or video cards with multiple video heads.
Whenever an MC5 channel is switched, it sends an
RS232 command out on its serial interface (marked

COM1/UPGRADE

on the rear panel). An MC5 will switch its

channel if it receives the same command on its serial interface.
Consequently, by linking the serial interfaces, a master unit may
be made to automatically switch one or more slave units as shown
in the diagram.
It should be noted that the synchronisation cable deliberately does not have
the transmit pin of the Slave End connector linked to the receive pin of
the Master End connector. To do so would cause the Slave unit to be able
to switch the Master unit. This would setup an endless cyclical switching
sequence that would prevent the MC5 devices from operating correctly. For
more details about the serial synchronisation cables, see

Appendix 7

.

REMOTE

USER

U S

HOST

COMPUTER

CAM CAM

REMOTE

USER

U S

The local user ports can also
be used to view multiple
video head installations.

Notes
It is recommended that the
second CAM in each pair is a
USB-type and that it is plugged
to a vacant USB port on the host
computer to derive its power.
Pairs of CAMs can be strapped
back-to-back with cable ties to
create a tidy installation.