Extron electronic DTP T USW 333 Operation, Reset button, Power, Front panel Configuration port

Tx Rx Gnd

RS-232 Device

DTP T USW 333 • Setup Guide (Continued)

GRemote Tally port — If desired, to remotely identify the currently selected input, plug a locally-constructed device into this 3.5 mm, 4-pole captive screw connector. Connect the power wire for the device into the +V pin and connect the ground wire for the each indicator into the corresponding tally output pin: 1, 2, or 3.

When an input is selected, by either contact closure or front panel selection, the corresponding tally output pin shorts to ground, closing the circuit and lighting the connected indicator (LED).

HRemote RS-232 port — Plug a serial RS-232 device into the switching transmitter via this rear panel 3.5 mm, 3-pole captive screw connector for remote control of the switching transmitter.

Reset button

V Tx Rx G RS-232 REMOT

I Reset button — This button initiates two levels of reset. For different reset levels, use an Extron Tweeker or small screwdriver to press and hold the recessed button either while the

switcher is running or while applying power. See the DTP T USW 333 User Guide, available at www.extron.com, for details.

Power

JPower connector — Connect an IEC power cord between the included 12 VDC power supply and a 100-240 VAC, 50-60 Hz source. Connect the power supply to either unit, transmitter or receiver, as shown at right. Use the included tie-wrap to strap the cord to the captive screw connector.

NOTE: Only one power supply is required. A single power supply connected to either unit in the pair powers both units. A power supply is included with the transmitter.

Smooth Ridges

SECTION A–A

Power Supply	A
Output Cord

Captive

Screw

Connector

3"

16 (5 mm) Max.

A

Front panel Configuration port

AConfiguration port — Plug a PC or other controlling device into the switching transmitter via this front panel mini-USB connector for remote configuration of the switching transmitter.

Operation

Switching inputs

Select the desired input by pressing the associated input button. Observe that the

LED for the selected input lights.Press the button. The LED lights green.

AUTO

SWITCH

CONFIG

1

NOTE: The switcher must be in normal (manual) mode (see below).

	1	2	3
Selecting the switch mode
	MODE	NORMAL	AUTO
In auto-input switching mode, the switcher selects to the highest numbered input
with a sync signal present. Turn auto-input switching mode on and off as follows:

1.Press and hold the Mode (Input 1) button.

2.	Press and release the button for the desired mode:	Press and HOLD the Mode button.
	Auto (Input 3) — The Auto Switch LED lights.	Press and release the Auto or Normal button.
	Normal (Input 2) — The Auto Switch LED goes off.				Auto Switch lights (auto)
					or goes out (normal).
3.	Release the Mode button.	1	2	3	AUTO
					SWITCH
Locking and unlocking the front panel					Release the Mode button.
		MODE	NORMAL	AUTO
(Executive mode)

The switcher has a front panel lock feature that locks the front panel. If you try to make front panel input selections when the panel is locked, all front panel LEDs flash three times. Toggle the front panel lock on and off by pushing and holding all three Input buttons simultaneously for 5 seconds. All front panel LEDs flash three times.

Release the buttons.

Press the and HOLD the all three Input buttons.

	1	2	3
MODE	NORMAL		AUTO

Interpreting the Status LEDs

All three LEDs flash three times. Release the Input buttons.

	Signal LEDs (1 through 3) —Indicate that the switcher detects horizontal sync		STATUS
	(Signal LED 1) or TMDS clock (Signal LED 2 and Signal LED 3) signals on the associated input.	1	2	3
2	HDCP LEDs (2 and 3) —Indicate that the corresponding input signal is HDCP encrypted.	SIGNAL
		HDCP