OSEE UDA6801N User manual

BDA6801N/UDA6801N
Digital Audio Distribution Amplifier
USER MANUAL

Product Information
Model: BDA6801N/UDA6801N Digital Audio Distribution Amplifier
Version: V010000
Release Date: March 13th, 2009
Company
OSEE TECHNOLOGY CO., LTD.
Contact Information
Address: No.22 Building, No.68 zone, Beiqing Road, Haidian District,
Beijing, China
Post Code: 100094
Tel: [phone]
Fax: [phone]
Web: http://www.osee-dig.com/
E-mail: [email protected]

Contents
Chapter 1 Introduction........................................................................................................... 1
1.1 Product Overview...........................................................................................................................1
1.2 Features...........................................................................................................................................1
1.3 Module Descriptions ......................................................................................................................2
1.3.1 6800-C2 Frame Back Panel Connector.............................................................................2
1.3.2 BDA6801N/UDA6801N Module Back Connector ............................................................2
1.3.3 Signal Flow...........................................................................................................................4
Chapter 2 Installation............................................................................................................. 4
2.1 Maximum Power Ratings for Frame............................................................................................4
2.2 Unpacking the Module...................................................................................................................4
2.2.1 Preparing the Product for Installation..............................................................................4
2.2.2 Check the Packing List.......................................................................................................5
2.3 Installing the Module.....................................................................................................................5
2.4 Making the Connections................................................................................................................6
2.5 Removing the Module....................................................................................................................6
Chapter 3 Description of LED Alarm Indicator.................................................................. 7
Chapter 4 Specifications......................................................................................................... 7
4.1 Digital AES Audio Inputs ..............................................................................................................7
4.2 Digital AES Audio Outputs ...........................................................................................................8
Chapter 5 Versions.................................................................................................................. 8
Chapter 6 Warranty for osee product .................................................................................. 9
6.1 What the warranty covers:............................................................................................................9
6.2 What the warranty does not cover: ..............................................................................................9

BDA6801N/UDA6801N Operating Manual
Specifications are subject to change without notice. —1—
Chapter 1 Introduction
1.1 Product Overview
BDA6801N/UDA6801N digital audio distribution amplifiers are multi-channel digital audio
distribution amplifier function modules.
BDA6801N has one channel balanced digital audio input, and 8 channels balanced digital audio
outputs by distributing and amplifying.
UDA6801N has one channel unbalanced digital audio input and 8 channels unbalanced digital audio
outputs, by distributing and amplifying.
Both of them support various alarm indications.
The module can be installed in 6800N series frame.
Tab. 1-1 Description of BDA6801N/UDA6801N
Module Description
BDA6801N one channel balanced digital audio input, and 8 channels balanced
digital audio outputs
UDA6801N one channel unbalanced digital audio input and 8 channels unbalanced
digital audio outputs
1.2 Features
The BDA6801N/UDA6801N offers the following features:
One channel balanced / unbalanced digital audio input, and 8 channels balanced / unbalanced
digital audio outputs
Low cost, high reliability, high quality audio distribution amplifier
Support many kinds of alarm indication and hot-swappable
FCC Caution:
Any Changes or modifications not expressly approved by the party responsible for compliance could
void the user's authority to operate the equipment.

BDA6801N/UDA6801N Operating Manual
Specifications are subject to change without notice. —2—
This device complies with part 15 of the FCC Rules.
Operation is subject to the following two conditions: (1) This device may not cause harmful interference,
and (2) this device must accept any interference received, including interference that may cause
undesired operation.
Note: This equipment has been tested and found to comply with the limits for a Class B digital device,
pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against
harmful interference in a residential installation. This equipment generates uses and can radiate radio
frequency energy and, if not installed and used in accordance with the instructions, may cause harmful
interference to radio communications. However, there is no guarantee that interference will not occur in
a particular installation. If this equipment does cause harmful interference to radio or television
reception, which can be determined by turning the equipment off and on, the user is encouraged to try to
correct the interference by one or more of the following measures:
Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
Consult the dealer or an experienced radio/TV technician for help.
1.3 Module Descriptions
1.3.1 6800-C2 Frame Back Panel Connector
Fig.1-1 Back Connector of 6800-C2 frame
1.3.2 BDA6801N/UDA6801N Module Back Connector

BDA6801N/UDA6801N Operating Manual
Specifications are subject to change without notice. —3—
Fig.1-2 Back Connector of BDA6801N/UDA6801N
Tab. 1-2 Description of BDA6801N Back Connector
Position Description
IN AES balanced digital audio input
OUT AES balanced digital audio output
Tab. 1-3 Description of UDA6801N Back Connector
Position Description
IN AES unbalanced digital audio input
1 AES unbalanced digital audio output
2 AES unbalanced digital audio output
3 AES unbalanced digital audio output
4 AES unbalanced digital audio output
5 AES unbalanced digital audio output
6 AES unbalanced digital audio output
7 AES unbalanced digital audio output
8 AES unbalanced digital audio output

BDA6801N/UDA6801N Operating Manual
Specifications are subject to change without notice. —4—
1.3.3 Signal Flow
Fig. 1-3 Signal Flow of BDA6801N/UDA6801N
Chapter 2 Installation
2.1 Maximum Power Ratings for Frame
The maximum power ratings that different types of frames can sustain are listed in the Table 2-1
Tab. 2-1 Maximum Power Consumption
Frame Maximum Voltage Redundant Power Supplies Numbers of Slots
6800N-C1 40W Yes 4
6800N-C2 60W Yes 10
2.2 Unpacking the Module
2.2.1 Preparing the Product for Installation
Contact your dealer right now if any items are missing.
Follow the procedures below before installing the module:
Check the equipment for any invisible damage that may have occurred during transit.
Confirm all the items listed on the packing list have been received.
Remove all the packing material including electrostatic-resistant packing.
Retain these packing for future use.

BDA6801N/UDA6801N Operating Manual
Specifications are subject to change without notice. —5—
2.2.2 Check the Packing List
Tab. 2-2 Packed Components
Model Name Description
BDA6801N BDA6801N module (1pc), Back Connector(1pc), other accessories
UDA6801N UDA6801N module (1pc), Back Connector(1pc), other accessories
2.3 Installing the Module
Caution：Static electricity may cause sensitive semiconductor out of order. Avoid installing
or removing the module in the electrostatic-induced environment.
Follow the following steps to install the module:
Step 1
Step2
Step3

BDA6801N/UDA6801N Operating Manual
Specifications are subject to change without notice. —6—
Step 4
Step5
Fig. 2-1 Installation of 2U Frame of 6800N Series
Locate the position for back connector and insert the back connector
Fasten the screw to fix the back connector.
Locate the slot for module.
Get the module installed in the slot, push the module slightly along the slot, press module again to
confirm that the module is installed firmly and then close swivel handle.
Install the front panel.
2.4 Making the Connections
Please connect AES audio signals based on the types of module input signal and the connectors showed
in Fig. 1-2.
2.5 Removing the Module
Follow the following steps to remove BDA6801N/UDA6801N module:
1. Open the front part of frame.
2. Open the swivel handle to the full.
3. First make sure the frame stands firmly, and then pull the module gently along the slot till out
of frame.
4. Install the front panel.

BDA6801N/UDA6801N Operating Manual
Specifications are subject to change without notice. —7—
Chapter 3 Description of LED Alarm Indicator
The chapter will show the description of LED indicators. Read the module silk-screen to check the LED
names. The LED indicators include: Power，All OK，QCRC，CCRC，UNLOCK，V，CONF，BIP，PAR。
When the module powers on, the Power LED indicator will light up in green.
If any one of the following 7 errors occurs, the corresponding indicator will show in red, and “All OK”
indicator will go off. If there is none of the following 7 errors, the “All OK” indicator will light up in
green.
The definitions of 7 types of errors which the receiver may occur are as follows:
1. QCRC – CRC error in Q sub-code data.
2. CCRC – CRC error in channel status data.
3. UNLOCK – PLL is not locked to incoming data stream.
4. V – Data Validity bit is set.
5. CONF – The logical OR of UNLOCK and BIP. The input data stream may be near error
condition due to jitter degradation.
6. BIP – Bi-phase encoding error.
7. PAR – Parity error in incoming data.
Chapter 4 Specifications
4.1 Digital AES Audio Inputs
Table 4-1 Balanced Digital AES Audio Input Specifications (applicable to BDA6801N)
Item Parameter
Connector 3-pin connector (male)
Impedance 110Ω
Standard AES 3：1992，AES3id：1995，
SMPTE276M
Rise and fall time 5 to 30ns
Table 4-2 Unbalanced Digital AES Audio Input Specifications (applicable to UDA6801N)
Item Parameter
Connector BNC（IEC 169-8）
Impedance 75Ω
Standard AES 3：1992，AES3id：1995，
SMPTE276M
Rise and fall time 30 to 44ns

BDA6801N/UDA6801N Operating Manual
Specifications are subject to change without notice. —8—
4.2 Digital AES Audio Outputs
Table 4-3 Balanced Digital AES Audio Output Specifications (applicable to BDA6801N)
Item Parameter
Connector 3-pin connector (male)
Output level 2.0 to 7.0 V (peak to peak)
Jitter +/-20 ns
Rise and fall time 5 to 30 ns (10% to 90% of amplitude)
Impedance 110Ω+/- 20% (0.1 to 6 MHz)
CMR Ratio >30 dB below output signal (0 to 6 MHz)
Table 4-4 Unbalanced Digital AES Audio Output Specifications (applicable to UDA6801N)
Item Parameter
Connector BNC（IEC 169-8）
Output level 1.0 V +/-10% (peak to peak)
DC offset 0.0V±50.0mV
Rise and fall time 30 to 44 ns (10% to 90% of amplitude)
Impedance 75Ω
Return Loss >25 dB, 0.1 to 6.0 MHz
Chapter 5 Versions
The descriptions of modified version are as follows:
Version No. Release Date Modify Description
V1.1 2009-3-13
Note: Specifications are subject to change without notice

BDA6801N/UDA6801N Operating Manual
Specifications are subject to change without notice. —9—
Chapter 6 Warranty for osee product
6.1 What the warranty covers:
osee warrants its products to be free from defects in material and workmanship during the warranty
period of two years from purchase date. If a product proves to be defective in material or workmanship
during the warranty period, osee will, at its sole option, repair or replace the product with a similar
product. The replacement unit will be covered by the balance of the time remaining on the customer’s
original limited warranty.
No sales personnel of the seller or any other person is authorized to make any warranties other than
those described above, or to extend the duration of any warranties on behalf of osee, beyond the time
period describe above.
This warranty is extended to the first consumer only, and proof of purchase is necessary to honor the
warranty. If there is no proof of purchase provided with a warranty claim, osee reserves the right not to
honor the warranty set forth above. Therefore, labor and parts may be charged to the consumer.
6.2 What the warranty does not cover:
1. Any product on which the serial number has been defaced, modified or removed.
2. Damage, deterioration or malfunction resulting from:
Accident, misuse, neglect, fire, water, lightning, or other acts of nature, unauthorized product
modification, or failure to follow instructions supplied with the product
Repair or attempted repair by anyone not authorized by osee
Any damage of the product due to shipment.
Removal or installation of the product.
Causes external to the product, such as electric power fluctuations or failure.
Use of supplies or parts not meeting osee product’s specifications.
Normal wear and tear.
Any other cause which does not relate to a product defect.