OSEE VCA6801N User manual

VCA680xN Analog Video Equalizing
and Clamping Distribution Amplifier
USER MANUAL

Product Information
Model: VCA680xN Analog Video Equalizing and Clamping Distribution Amplifier
Version: V010000
Release Date: May 22th, 2008
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
Overview............................................................................................................................................ 1
Features.............................................................................................................................................. 1
Module Descriptions.......................................................................................................................... 2
The Front Part of Module........................................................................................................... 2
Back Connector.................................................................................................................................. 2
VCA680xN ................................................................................................................................ 3
Signal Flow........................................................................................................................................ 4
Chapter 2 Installation.............................................................................................. 4
Overview............................................................................................................................................ 4
Maximum Power Ratings for Frame.................................................................................................. 5
Unpacking the Module....................................................................................................................... 5
Preparing the Product for Installation ........................................................................................ 5
Check the Packing List............................................................................................................... 5
Installing the Module ......................................................................................................................... 5
Making the Connections .................................................................................................................... 6
Removing the Module........................................................................................................................ 7
Setting Jumper.................................................................................................................................... 7
LED Indicator .................................................................................................................................... 8
Chapter 3 Specifications......................................................................................... 8
Analog Video Input............................................................................................................................ 8
Analog Video Output ......................................................................................................................... 8
Warranty for osee product..................................................................................... 9
What the warranty covers: ................................................................................................................. 9
What the warranty does not cover:..................................................................................................... 9

VCA680xN Analog Video Equalizing and Clamping Distribution Amplifier - 1 -
VCA680xN Analog Video Equalizing and
Clamping Distribution Amplifier
Chapter 1 Introduction
Overview
In this manual, the different types of models for VCA680xN are introduced as follows:
VCA6801N single input distribution amplifier: supports 1 channel of analog video input, and the input
corresponds to 8 channels of analog video outputs
VCA6802N dual-input distribution amplifier: supports 2 channels of analog video inputs, and each input
corresponds to 4 channels of analog video outputs
All these modules can be installed in 6800N series frame.
Features
The VCA680xN offers the following features:
One or two unbalanced input, eight channels unbalanced output
Support clamping of analog video signal
AD/DC coupling
±3dB gain range adjustment
One channel input, eight outputs (VCA6801N)
Dual channel, channel 1 for four outputs and channel 2 for four outputs (VCA6802N)
Can be adjusted at the range of 100 meters (Belden 8281)
Hot-swappable modules
525/625 input signal detection
Support SNMP control
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.
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,

VCA680xN Analog Video Equalizing and Clamping Distribution Amplifier - 2 -
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.
Module Descriptions
The Front Part of Module
Figure 1-1 shows the boards of VCA6802N
Fig. 1-1 the boards of VCA6802N
Back Connector

VCA680xN Analog Video Equalizing and Clamping Distribution Amplifier - 3 -
VCA680xN
Fig.1-2 Back Connector of VCA6801N (left) / VCA6802N (right)
Tab. 1-1 description of VCA6801N Back Connector
Item Description
IN ANALOG VIDEO input
1~8 ANALOG VIDEO output
Tab. 1-2 description of VCA6802N Back Connector
Item Description
INA ANALOG VIDEO input, channel A
INB ANALOG VIDEO input, channel B
OUTA1, OUTA2
OUTA3, OUTA4 ANALOG VIDEO output, channel A
OUTB1, OUTB2
OUTB3OUTB4 ANALOG VIDEO output, channel B

VCA680xN Analog Video Equalizing and Clamping Distribution Amplifier - 4 -
Signal Flow
Fig. 1-3 Signal Flow of VCA6801N (up)/ VCA6802N (down)
Chapter 2 Installation
Overview
The power consumption for module and the maximum power ratings that frame can sustain have to be
confirmed before installing the module.
In this chapter, the following topics on installation process for VCA680xN are discussed below:
Unpacking the module
Installing the module
Making the connections
Removing the module

VCA680xN Analog Video Equalizing and Clamping Distribution Amplifier - 5 -
Setting Jumper
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-1U 40W Yes 4
6800N-2U 60W Yes 10
Unpacking the Module
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.
Check the Packing List
Tab. 2-2 Packed Components
Model Name Description
VCA6801N VCA6801N module (1pc); back connector (1pc), and other accessories
VCA6802N VCA6802N module (1pc); back connector (1pc), and other accessories
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

VCA680xN Analog Video Equalizing and Clamping Distribution Amplifier - 6 -
Step2
Step3
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.
Making the Connections
Please connect signals based on Fig. 1-2.

VCA680xN Analog Video Equalizing and Clamping Distribution Amplifier - 7 -
Removing the Module
Follow the following steps to remove VCA680xN 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.
Setting Jumper
There exist four 3-pin jumpers, and the following table gives their definition.
Tab. 2-3 Description of VCA680xN Jumpers
Item Description
CHA JP2 (NO CLAMP) The three jumpers are all 2-pin jumper,
please choose one of them.
You need to set FAST to VCA680xN.
(Please don’t change the default setting).
JP3 (FAST)
JP4 (SLOW)
CHB JP6 (NO CLAMP) The three jumpers are all 2-pin jumper,
please choose one of them
You need to set FAST to VCA680xN.
(Please don’t change the default setting).
JP7 (FAST)
JP8 (SLOW)
JP1, JP5 (AC/DC) You need to set it at DC
JP9, JP10 (Single/Dual) You need to set them at Single to
VCA6801N, while you must set them at
Dual to VCA6802N.

VCA680xN Analog Video Equalizing and Clamping Distribution Amplifier - 8 -
LED Indicator
Table 2-4 LED Indicator Function
Item Description
Power On, Indicates power is supplied
CHA 525 On, Working in 525 video format.
CHA 625 On, Working in 625 video format.
CHB 525 On, Working in 525 video format.
CHB 625 On, Working in 625 video format.
Chapter 3 Specifications
Analog Video Input
Tab. 3-1 Analog Video Input Specifications
Item Parameter
Numbers of Inputs VCA6801N: 1, VCA6802N: 2
Connector BNC (IEC169-8)
Impedance 75Ω
Return Loss >45dB to 5MHz, >40dB to 10MHz
Analog Video Output
Tab. 3-2 Analog Video Output Specifications
Item Parameter
Numbers of Outputs VCA6801N: 8
VCA6802N: 2 channels, 4 per channel
Connector BNC (IEC169-8)
Impedance 75Ω
Return Loss >45dB to 5MHz, >40 dB to 10MHz
Gain Range -3 dB to +3 dB
Frequency Response +/-0.05dB to 10MHz
Differential Gain 0.15%
Differential Phase 0.15 degree
S/N Ratio 70dB
Note: Specifications are subject to change without notice

VCA680xN Analog Video Equalizing and Clamping Distribution Amplifier - 9 -
Warranty for osee product
What the warranty covers:
osee warrants its products to be free from defects in material and workmanship during the warranty
period of two year 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.
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.