Extron electronic RGB 109XI, RGB 112XI user manual Mounting the interface, Under-desk Mounting

Controls and Installation, cont’d

3.Note the positions of jumpers J20 and J40 before changing jumper settings (figure 2-4). There are two possible setting combinations for 3-pin jumpers:

pins 1 and 2 connected

1 and 2

pins 2 and 3 connected

2 and 3
	Rear
	1
	J19
1
J20
1	J20: Sync polarity
J40	jumper
	J40: Vertical sync
	width jumper
	Power Supply
	Front

Figure 2-4 — Circuit board jumper locations

4.To change the jumper configuration, use pliers to pull the jumper shunt off the pins, then place the jumper on the appropriate pins (figure 2-5).

Figure 2-5 — Changing jumper settings

5.Replace and fasten the enclosure cover, reversing step 2.

Mounting the interface

Under-desk Mounting

To mount the interface under a desk or in a podium using the under-desk mounting kit (Extron part number 70-077-01), do the following:

1.Attach the mounting brackets to the interface using four machine screws supplied with the mounting kit

(see figure 2-6).

Figure 2-6 — Attaching the under desk brackets

2.Using the template on page A-6 to guide you, mark the four screw holes on the underside of the surface to which you are mounting the interface.

3.Drill four pilot holes, each 3/32" (2.4 mm) in diameter by 1/4" (6.4 mm) deep, where marked on the template.

4.Using the four wood screws provided, attach the brackets under the mounting surface (see figure 2-7).

Figure 2-7 — Under-desk mounting

2-8 RGB 109xi and RGB 112xi • Installation RGB 109xi and RGB 112xi • Installation 2-9