MRV Communications LX-4000 Series Informacje Techniczne Pobierz pdf (Strona 641)

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L-12 Advanced LXPORTD Application

LX Series Configuration Guide

Config:0>>interface 1 broadcast group 1 slave port

async 2-32 - ports 2-32 will be slaves. Ports 2-31 will have

TV monitors attached. Port 32 will have a crossover cable

attached that will go to port 1 of the next LX32 slave unit in

line. An exception to this is if it is the last LX slave unit in the

chain.

Config:0>>interface 1 broadcast group 1 enabled -

this enables the broadcast group.

At the host prompt, you can now invoke LXPORTD using the

following syntax. (The application programmer/administrator

needs to have superuser privileges on the host):

./lxportd -T(device) -a(auth-file) -x -D (ip-address

of LX32 master unit #1) -L (tcp port number)

"./lxportd -T/dev/foo -a radius_auth_file -x -D

1.2.3.4 -L 1024"

For explanations of the various options in the above two

commands, refer to “LXPORTD man Pages” on page L-2.

At this point, LXPORTD is invoked and is looking for the device

to be written to. The application programmer can then program

to write to device "/dev/foo" at any (or all) time. When this

occurs, the redirect from the device "/dev/foo" is delivered to

the LX32 master unit #1 on Broadcast TCP port 1024, which in

turn pumps all received data out its broadcast slave async ports

and out to the attached TV monitors.

It also pumps out the same data to port 32, which delivers it to

broadcast master async port 1 of LX32 slave unit #1. This port

in turn delivers the data to all of its broadcast slave ports and

their attached TV monitors, with port 32 of this unit repeating

the process to the next LX 32 slave units, right down the line.

1 2 ... 636 637 638 639 640 641 642 643 644 645 646 ... 691 692

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