Overview
Specifications & Details
Datasheets & Downloads
Videos

Wide Input Bandwidth
Input Isolation
Automatic & Manual Changeover
Transformer Coupled Outputs
Twenty four Outputs
Front Panel Status Indicators
Fault Discrete Inputs
Compact 1U, 19” rack mount

Manufactured By: Brandywine Communications

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The Brandywine Communications Model IBU-240 offers the user modern, often requested and reliable time code distribution features. The base unit outputs twenty-four time code outputs that are transformer-coupled from the rear panel connectors to the transfer switch. Each output is a faithful reproduction of the time code input.

A three-position front panel switch chooses automatic operation or may be used to manually select one of the two input sources. When the AUTO mode is selected the AUTO indicator will be illuminated and Input A will be used if it is available. Should Input A fail Input B will be chosen automatically. Indicators show the status of the inputs and which input has been selected.

Each of the twenty-four outputs is monitored. Should an output fail a group alarm Fault indicator will illuminate.

Variations

Model Number	Base Model	Description	Oscillator Type	Power Supply	Form Factor	Power Type	Output Format	Number of Outputs	Input Format	Number of Inputs
IBU-240	IBU-240	IRIG Distribution Amplifier, 24 Channel Output	N/A	Single AC	1U	AC	IRIG	24	IRIG	2
IBU-240-2x12	IBU-240	IRIG Distribution Amplifier, 2 x 12 Channel Outputs	N/A	Single AC	1U	AC	IRIG	24	IRIG	2
IBU-240	IBU-240	IRIG Distribution Amplifier, 24 Channel Output, Cap Power Cord	N/A	Single AC	1U	AC	IRIG	24	IRIG	2

Time Code Inputs

Number of Inputs	2
Connector Type	BNC
Input Amplitude	4 Vpp
Input Impedance	600 Ohms, transformer isolated
Frequency	300 Hz to 50 kHz

Fault Discrete Inputs

Number of Inputs	2
Connector Type	DB9
Levels	TTL
Active Level	Link selectable, high or low

Time Code Outputs

Number of Outputs	24
Connector Type	BNC
Output Amplitude	Same as Input
Isolation	Transformer coupled
Output Impedance	600 ohms
Output Protection	Short-circuit proof

Fault Sense and Transfer

Modes	Automatic and Manual
Manual	Selects input A or input B
Automatic	Provides automatic switch from A to B should input A fail

Indicators

Power	Green LED
Input A-B Selected	Green LEDs, two
Input A-B Available	Green LED's, two
Fault	Red

Environmental

Temperature
Operating	0 to +50°C
Storage	-40 to +85°C
Humidity	To 95% non-condensing

Physical

Dimensions	19 in. Rack Mount, 1/73 in. high (1U), 14.5 in. deep
Weight	7.5 lb. typical

Power

Power	115/230 VAC, 50/60 Hz
Power Consumption	<25 W

EMC

EMC Emission	To EN50081-1 as EN55022
EMC Immunity	To EN50082-1 as EN1000-4-2 ESD, IEC 801-3 HF Field, IEC 801-4 Burst

Brandywine IBU-240 Datasheet.pdf

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Brandywine - IBU-240 24 Output IRIG B Distribution Amplifier