Apex Digital apex 10 Wartungshandbuch PDF herunterladen (Seite 97)

APEX — Installation and Service Manual 99

Output Monitoring

Note Output monitoring is a standard Apex system feature.

Output monitoring allows verification of switcher performance without

interrupting normal operations. A separate internal switching system is

used to switch the selected output signal to the Output Monitor connector.

See

Figure 42.

Figure 42. Example of Output Monitor Connection

Using a standard system control panel, the operator picks an output as

usual—in this case, the Output Monitor. (The physical number of the

Output Monitor connector is determined by the Max Size switch setting

plus 1—see

Max Size Switch on page 102.) The operator then selects an input,

but this input is actually one of the switcher outputs.

Two connector sets are provided on each chassis: OP MON A, which corre-

sponds to the A Matrix board; and OP MON B, which corresponds to the

optional B (secondary) Matrix board. Within each set are two connectors: a

BNC type for 75 Ohm cabling, and a 9-pin D female type for 110 Ohm

cabling. Pinouts for the D connector are shown in

Figure 36 on page 89.

Note that some pins on this connector are used for 110 Ohm AES Reference

cabling. The signal selected by the control system for monitoring is always

present on both the BNC and the D connectors.

Jupiter Control System

Switcher Control Panel

AES REF B

HIGHEST

MC A

LOWEST

OUT

OP MON A

AES REF A

HIGHEST

EXPANSION

OUT OUT

MC B

LOWEST

OP MON B

VID REF A

EXPANSION

VID REF B

1536

1792

2048

1280

1024

768

512

256

Crosspoint bus

MPK bus

Monitoring Station

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