Serial Adapters

Through the use of serial adapters, devices featuring serial interfaces can be connected to the TNA.

The supported standards are:

• RS-232
• RS-422
• RS-485

RS-232

USB to DB9 Cable

This cable is equipped with a DB9 (male) connector.

Its length is 10cm and data transfer rates range from 300 Baud to 250 KBaud.

If your device requires a different connector, please reach out to us here.

Pin Out and Signals

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For most cases, connecting DB9 pin number 2, 3, and 5 to the device is sufficient for normal operation.

DB9 pin No.	Name	Type	Description
1	DCD	Input	Data Carrier Detect control input
2	RXD	Input	Receive Asynchronous Data input
3	TXD	Output	Transmit Asynchronous Data output
4	DTR	Output	Handshake signal: Data Terminal Ready control output
5	GND	Ground	Device ground supply pin
6	DSR	Input	Handshake signal: Data Set Ready control input
7	RTS	Output	Handshake signal: Request To Send control output
8	CTS	Input	Handshake signal: Clear to Send control input
9	RI	Input	Ring Indicator control input

RS-232 to DB9 Cables

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The RS-232 to DB9 cables are supported by TNA Connect devices only.

RS-232 to DB9 cable for TNA Connect V1

This cable is equipped with a DB9 (male) connector.

Its length is 90cm and data transfer rates range from 300 Baud to 250 KBaud.

If your device requires a different connector, please reach out to us here.

Pin Out

RS-232 to DB9 cable for TNA Connect V2

This cable is equipped with a DB9 (female) connector.

Its length is 90cm and data transfer rates range from 300 Baud to 250 KBaud.

If your device requires a different connector, please reach out to us here.

Pin Out

RS-422

This cable features bare, tinned wire ends to be connected directly to screw-type terminals or headers.

Its length is 1.8m and data transfer rates range from 300 Baud to 3 MBaud.

If your device requires a different connector, please reach out to us here.

Connections and Signals

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For most cases, connecting the following wires to the device is sufficient for normal operation:

• Black (GND)
• Red (Data – (A) Output)
• Orange (Data + (B) Output)
• Yellow (Data + (B) Input)
• White (Data – (A) Input)

Color	Name	Type	Description
Black	GND	GND	Device ground supply pin
Brown	CTS+	Input	Clear to Send Control + (B) Input
Red	TXD-	Output	Data – (A) Output
Orange	TXD+	Output	Data + (B) Output
Yellow	RXD+	Input	Data + (B) Input
Green	RTS+	Output	Request To Send Control + (B) Output
Blue	RTS-	Output	Request To Send Control – (A) Output
White	RXD-	Input	Data – (A) Input
Grey	CTS-	Input	Clear to Send Control input – (A) Input

RS-485

This cable features bare, tinned wire ends to be connected directly to screw-type terminals or headers.

Its length is 1.8m and data transfer rates range from 300 Baud to 3 MBaud.

If your device requires a different connector, please reach out to us here.

Connections and Signals

info

For most cases, connecting the following wires to the device is sufficient for normal operation:

• Black (GND)
• Orange (Data + (B))
• Yellow (Data - (A))

Color	Name	Type	Description
Black	GND	GND	Device ground supply pin
Brown	Terminator 1	Input	Pin 1 of 120R Terminating Resistor
Red	POWER	Output	Outputs +5V, 250mA maximum
Orange	Data + (B)	Bi-Direction	Data + (B) Signal
Yellow	Data - (A)	Bi-Direction	Data – (A) Signal
Green	Terminator 2	Input	Pin 2 of 120R Terminating Resistor