Black Box 5000 manual 158

Models: 5000

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Multiserver 5000

FOX

MULTISERVER

LEGEND:

INITIATING TERMINAL

LOCAL FOX

When this test is accessed, the Multiserver continually outputs a fox message to the testing terminal (Figure 12-1). The fox message should read THE QUICK BROWN FOX JUMPS OVER THE LAZY DOG. 1234567890. It contains every English alphanumeric symbol. The integrity of the port and the terminal may be judged by the quality of the returned fox message.

DATA FLOW LOCAL FOX

DATA FLOW LOCAL SYNC AND ASYNC ECHO

FOX INTERNAL FOX MESSAGE GENERATOR

Figure 12-1. Local Channel Loopback.

test. The integrity of the components involved in the test can be judged by observing the quality of the returned data (see Figure 12-2). To end the test, press ^X^Y or <break>. You will be returned to the Command Mode.

The terminal must be connected to a remote port for this test to operate. If there is no remote connection, the Multiserver will display NO REMOTE CONNECT ACTIVE when access to the test is attempted.

To end the test, press ^X^Y or <break>. You will be returned to the Command Mode.

REMOTE FOX

When this test begins, the local Multiserver sends the fox message through the remote unit (Multiserver or feeder mux). The message is looped back to the terminal that initiated the test. The integrity of the components involved in the test can be judged by observing the quality of the fox message (see Figure 12-2). The fox message should read THE QUICK BROWN FOX JUMPS OVER THE LAZY DOG. 1234567890.

To end the test, press ^X^Y or <break>. You will be returned to the Command Mode.

The terminal must be connected to a remote port for this test to operate. If there is no remote connection, the Multiserver will display NO REMOTE CONNECT ACTIVE when access to the test is attempted.

MODEM 1

MODEM 1

 

FOX

 

INITIATING

 

TERMINAL

MULTISERVER

MULTISERVER

 

(OR FEEDER MUX)

 

LEGEND:

 

DATA FLOW REMOTE FOX

 

DATA FLOW REMOTE ECHO

 

FOX INTERNAL FOX MESSAGE GENERATOR

 

1 EXTERNAL MODEM, EXTERNAL ISU, OR INTERNAL ISU MODULE

Figure 12-2. Remote Channel Loopback.

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Black Box 5000 manual 158