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This section describes the characteristics and operation of all connectors on the XD233 and XD1033.

Power Connector

The power connector for the XD233 and XD1033 is rated for 12V@3A. The plug is a right-side positive, locking 2-pin (1x2) connector.

3.5mm Serial

The UART (asynchronous serial) interface is a 3.5mm (1/8") jack that uses

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RS-232 levels for communication. The receiver will tolerate input voltages between -30V and +30V, with anything below 3V interpreted as a logical 1. The transmitter drives +

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8V for logical 0 and

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-8V for logical 1.

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Note

XDx33 units that are rev H or later support full RS-232 signaling. The serial transmit pin on earlier versions of the XDx33 does not comply with voltage levels for RS-232 signaling (which requires a voltage below -3V for logical 1). In practice, the serial port can interoperate successfully with the majority of RS-232 receivers, but some devices (including some projectors and Crestron equipment) require strict conformance to RS-232 levels and will not accept 0V as logical 1. In these instances, you can connect the BrightSign player to the serial device using a USB-to-serial cable.

The default baud rate of the interface is 115200, with no parity, 8 data bits, and 1 stop bit. These settings can be configured in the software. The serial interface supports TX, RX, and ground only—RTS/CTS hardware flow control is not supported. The following diagram illustrates the behavior of the TX and RX signal:Image Removed

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The 3.5mm serial port has the following configuration (from the perspective of the player):

Tip:
Transmit
Receive
Ring:
Receive
Transmit
Sleeve: Ground

BrightSign players are DTE DCE devices, so communication with another DTE DCE device that uses a 3.5mm port would require a null-modem cable or converter that transposes the TX/RX signals. If the device communicating with the player uses is a DTE device with a DE9 serial port (performing asynchronous transmission), the serial cable should be wired as shown in the following diagram:
Image Removed

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GPIO

The XD233 and XD1033 have a 12-pin GPIO switch and LED connector, which allows the player to control external LEDs or other devices requiring 24mA of current or less.

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If you are using the GPIO connector to drive LEDs, connect the LED outputs to the LED ANODE and connect the LED CATHODE to the ground. If you want to connect another device, then the output is capable of sourcing or sinking up to 3.3V at 24mA, but there is a series resistor of 100Ω in each line.

The GPIO also allows for connecting of external contact closures to the ground. In order to connect a switch, connect one side of the switch to the switch input, and connect the other side to one of the ground pins on the GPIO connector. The connector can also supply 3.3V at up to 500mA to an external device. The 3.3V output is polyfuse-protected and can source up to 500mA.

If one BrightSign player is driving the inputs on another BrightSign player, then you can drive at most three inputs from one output. The following calculations explain this limitation:

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Note

The GPIO outputs have 100Ω series resistors; the GPIO inputs have 1K pullup resistors to 3.3V; and the input threshold is 2V high and .8V low. The high voltage is not problematic, but the low voltage can be if there are too many inputs connected to one output.

1 out driving 1 in	V=3.3*100/(100+1,000)=0.3
1 out driving 2 in	V=3.3*100/(100+500)=0.55
1 out driving 3 in	V=3.3*100/(100+333.3)=0.76
1 out driving 4 in	V=3.3*100/(100+250)=.94 (This is too high, so 1 output driving 3 inputs is the maximum)

The following table describes the pinout of the GPIO on the XT243 and XT1143:

Pin	Function	Pin	Function
1	GND	7	GND
2	3.3V	8	3.3V
3	BUTTON 0	9	BUTTON 4
4	BUTTON 1	10	BUTTON 5
5	BUTTON 2	11	BUTTON 6
6	BUTTON 3	12	BUTTON 7

The following schematic illustrates the pinout of the GPIO connector.

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RJ45 LAN

The XD233 and XD1033 have an RJ45 connector for 1000BASE-T networking. The maximum length for Cat 5E cable is 100 meters; the allowed length can be higher or lower depending on the quality of the cable.

USB

The XD1033 has two USB 2.0 ports: one Type A and one Type C. The Type A connector can act as a dedicated charging port (DCP) when the two data pins are shorted together, and the Type C connector can operate as either a host or a device (i.e. a dual-role port).

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The following table illustrates the pinout of the USB 2.0 Type A host port:

pin	Description	pin	Description
1	VBUS	2	D-
3	D+	4	Ground

The following table illustrates the pinout of the USB 2.0 Type C host port:

pin	Signal Name	Description	Mating Sequence	pin	Signal Name	Description	Mating Sequence
A1	GND	Ground return	First	B12	GND	Ground return	First
A2

B11


A3

B10


A4	VBUS	Bus power	First	B9	VBUS	Bus power	First
A5	CC1	Configuration channel	Second	B8


A6	Dp1	Positive half of USB 2.0 differential pair – position 1	Second	B7	Dn2	Negative half of USB 2.0 differential pair – position 2	Second
A7	Dn1	Negative half of USB 2.0 differential pair – position 1	Second	B6	Dp2	Positive half of USB 2.0 differential pair – position 2	Second
A8

			B5	CC2	Configuration channel	Second
A9	VBUS	Bus power	First	B4	VBUS	Bus power	First
A10

B3


A11

B2


A12	GND	Ground return	First	B1	GND	Ground return	First

3.5mm Audio Connector

The XD233 and XD1033 have a combination analog/optical audio jack. To transmit a digital audio signal, use a TOSLINK optical audio cable with a 3.5mm connector. Analog and digital audio cannot be transmitted simultaneously.

The full-scale voltage output of the analog audio is 2V RMS. The minimum load impedance is 32Ω.

The analog audio connector has the following pinout:

Tip: Left audio
Ring: Right audio
Sleeve: Ground for audio signal

3.5mm IR Input/Output

The IR blaster generates or receives a space-encoded NEC or Pronto Hex signal. The two transported bit values of the signal (0 and 1) are encoded using differing lengths of low-time IR pulses.

The 3.5mm IR in/out port has the following pinout:

Tip: 3.3V@50mA
Ring: IR Input
Sleeve: IR Output

Note

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Note

The sleeve is used as a ground during input operations.

HDMI Output

The HDMI-^® out connector is used to send digital video and audio to HDMI-enabled sink devices. This connector is compatible with HDMI 2.0 devices, capable of outputting a maximum video resolution of 4096x2160x60p.

The following table illustrates the pinout of the HDMI connector:

pin	Description	pin	Description
1	TX2p	2	Ground
3	TX2n	4	TX1p
5	Ground	6	TX1n
7	TX0p	8	Ground
9	TX0n	10	TXCp
11	Ground	12	TXCn
13	CEC	14	NC
15	DDC SCL	16	DDC SDA
17	Ground	18	+5V DDC
19	HPD (Hot Plug Detect)	--

Versions Compared

Old Version 21

New Version Current

Key

Power Connector

3.5mm Serial

Note

GPIO

Note

RJ45 LAN

USB

3.5mm Audio Connector

3.5mm IR Input/Output

Note

HDMI Output