Installing the I/O card

Upgrades and Maintenance, cont’d

3.	Locate the jumper block that corresponds to the output to be set (figure 6-17).
	JMP1 sets the gain for the first audio output associated with that card, JPM2
	for the second audio output, and so on.

Figure 6-17 — Audio output card jumpers

4.	Install a jumper across the block to set the -6 dB (unbalanced), 0 dB (balanced)
	gain level.
	Remove the jumper to set the 0 dB (unbalanced), 6 dB (balanced) level
	(default).
5.	Reinstall the audio card. See “Installing the I/O card“, below.

NThe I/O cards are hot-swappable. You do not need to power down the switcher to install an I/O card.

Install I/O cards as follows:

1.	If necessary, open the front door.
2.	If necessary, turn the left and right knurled knobs on the I/O cardcage door
	¼-turn counterclockwise. Lower the door.

CDo not touch the electronic components or the connectors on the backplane or on the circuit cards without being electrically grounded. Handle circuit cards by their edges only. ESD can damage ICs, even if you cannot feel, see, or hear it.

3.	Orient the card to be installed so that the LEDs on the card are to your left
	(figure 6-13 through figure 6-15).
4.	Identify the correct location for the card. Align the card with the top and
	bottom cardcage guides. Gently slide the card into the cardcage until the card
	meets resistance.
5.	Hook the outer edge of the ejector levers behind the leading edge of the
	cardcage enclosure frame and gently pivot the ejector levers in and toward the
	center of the card to seat the card in the backplane.
6.	If the card installed is a replacement for a sync input card, set the sync
	termination DIP switches on the rear edge of the card to the same setting as
	the card that was removed from this location.

6-20 Matrix 12800 Switchers • Upgrades and Maintenance

12800 specifications

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In conclusion, the Extron 12800 series epitomizes a blend of innovative design, versatile connectivity, and advanced video processing technologies. Its reliability, ease of use, and high performance make it a preferred choice for AV professionals looking to elevate their installations. Whether used for presentations, teaching, or large-scale events, the Extron 12800 stands ready to meet diverse AV needs with prowess and precision.

Extron electronic 12800 manual Installing the I/O card, Audio output card jumpers

Models: 12800

Upgrades and Maintenance, cont’d

Figure 6-17 — Audio output card jumpers