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  HDbridge 2312 Configuration Guide   

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HDbridge 2312 Configuration Guide  

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  Page 5 

Front and Back Panels

Factory default settings allow HDb2312 

series modulators to broadcast up to 12SD 

sources on RF channels 2, 3, 5, and 6 for 

reception at connected HDTVs.

We recommend using the most updated 

version of firmware. You can find the latest 

version on the Support section of our 

website. 

Beginning setup

1.

 Apply power.

2.

 Connect a Composite Video source to any

Composite Video Input of the HDb2312.

3.

 Connect the Analog Audio.

Tuning your channel at the HDTV 

(Auto Scan)

1. 

Connect the Coaxial Output of the HDb2312 to

your RF network.

 If the RF power for your network 

is too high, you will observe video breakup.

2.

 Specify Cable (not Air or Antenna) setting in your

TV menu.

3.

 Enter the RF number to tune directly to the

channel. For default channel lineup information,

refer to the Default Channel Lineup table. 

If you 

cannot tune directly to the channel at this point, it is 

because most TVs will require you to run a full Auto 

Scan.

4

. Run the Auto Scan through the menu system of

your HDTV to find the channels. 

Basic Installation

HDb2312

Name and description of unit

Color Display

Configuration and system status

5-Way Control

Navigate options on front panel display

Coax Output

Up to 2 paired, frequency-agile QAM RF CATV output channels for up to  

12 video sources. Output power can be set b45 to +25 dBmV 

using the Maestro web interface or the front panel.

Audio/Video Inputs

Video: Composite 

Audio: Analog 3.5mm 

Event Detection

This function not implemented yet 

10/100 LAN Port

Two symmetrical Ethernet ports for configuration and remote management 

Delay Matched Audio Output

For matching audio to external audio system (first port only) 

AC Power Input

100-240VAC / 50-60Hz

•

S

D Card Port 

This function not implemented

DEFAULT CHANNEL LINEUP 

(HDb2312)

AV Input

RF 

#

HDTV 

Channel 

AV Input 1

2

2.1

AV Input 2

2

2.2

AV Input 3

2

2.3

AV Input 4

3

3.1

AV Input 5

3

3.2

AV Input 6

3

3.3

AV Input 7

5

5.1

AV Input 8

5

5.2

AV Input 9

5

5.3

AV Input 10

6

6.1

AV Input 11

6

6.2

AV Input 12

6

6.3

Video Source

Back of HDb2312 Modulator

RF Output

+45 dBmV

Analog

Audio

Composite

Video

Composite

Video Source

Ethernet to network or 

directly to computer

Optional Delay Matched 

Analog Audio Out to 

audio system

WARNING: +45 dBmV

Do not connect directly to HDTV

Coax cable connects 

to coax network

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