Network Electronics AS Flashlink DA-SDI Manuale utente

network-electronics.com

SDI Distribution Amplier

Rev.6

Flashlink User Manual

DA-SDI

DA-SDI Rev. 6

Network Electronics AS

P.O. Box 1020

N-3204 Sandefjord, Norway

Phone: +47 33 48 99 99

Fax: +47 33 48 99 98

Email: [email protected]

www.network-electronics.com

Support Phone: +47 90 60 99 99

Revision history

Current revision of this document is the uppermost in the table below.

Rev. Repl. Date Sign Change description

6 5 2008-07-22 AS Added Declaration of Conformity

5 4 2007-10-25 AS New front page.

4 3 2007-10-05 AS Added Materials Declaration and EFUP

3 2 2007-01-24 SHH Updated manual to DA-SDI-mkII design with 8

outputs.

2 1 2004-02-12 Added info about termination.

1 0 2003-04-25 Corrected printing errors

0 B 2003-04-23 First release

B A 2003-04-07 Preliminary version 2

A - 2003-04-03 Preliminary version

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DA-SDI Rev. 6

Contents

Revision history.......................................................................................................... 2

1 Product overview..................................................................................................... 4

2 Specifications .......................................................................................................... 5

3 Format configuration................................................................................................ 6

3.1 Configuration Examples.....................................................................................................7

4 Connector module................................................................................................... 8

4.1 Mounting the connector module.........................................................................................9

5 Module status........................................................................................................ 10

5.1 GPI ALARM – Module Status Outputs.............................................................................10

5.2 Front Panel - Status Monitoring........................................................................................11

General environmental requirements for Network Electronics equipment................ 12

Product Warranty...................................................................................................... 13

Appendix A Materials declaration and recycling information..................................... 14

A.1 Materials declaration........................................................................................................14

A.2 Environmentally-friendly use period.................................................................................14

A.3 Recycling information.......................................................................................................15

EC Declaration of Conformity................................................................................... 16

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DA-SDI Rev. 6

1 Product overview

The Flashlink DA-SDI is a serial digital video distribution amplifier module providing high

performance media distribution for various signal formats from 1Mbps up to 540Mbps. The

unit can be configured to do cable equalising and reclocking of SMPTE 259M and DVB-ASI

signal formats.

The input typically provides an automatic cable equaliser for up to 300 metres of cable

(Belden 8281A at 270Mbps) with 8 re-clocked outputs. The re-clocker supports the bit-rates;

143, 177, 270, 360 and 540Mbps. For other rates, the re-clocker automatically switches to

bypass mode, and the DA-SDI will work as a non-reclocking distribution amplifier with cable

equaliser. The DA-SDI also has a special DVB-ASI mode, enabling all possible rates

including empty transport streams with only K28.5 padding packets. Outputs 1-6 are non-

inverting to support DVB-ASI compatibility. Outputs 7 and 8 are inverting.

The DA-SDI is designed for all distribution purposes in studio, duplication and Broadcast

applications.

Figure 1: DA-SDI Serial Digital Video Distribution Amplifier

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DA-SDI Rev. 6

2 Specifications

Electrical Input

Data rate NRZ: 1 to 540 Mbps

Equalisation: Automatic

Cable equaliser and reclocker can be bypassed to support

bitrates down to 1Mbps.

Impedance: 75 ohm

Return loss: >15dB @ 540MHz

Signal level: nom. 800mV

approx. 200mV min. when equaliser switched to Bypass

Connector: BNC

Electrical Output

Number of outputs: 8 (6)

Connector: BNC

Impedance: 75 ohm

Return loss: >15dB @ 540MHz

Jitter: max 0.2UI

Peak to peak signal level: 0.8V ± 0.1V

Signal polarity 6 non inverting, 2 inverting

Features

Re-clocking: Automatic clock rate detection

Selectable loop bandwidth

−Low: 500kHz

−High: 1MHz

Supported clock rates: 143, 177, 270, 360 and 540 Mbps

Input equaliser: EQ bypass for non-video formats or low bit rates

Electrical

Power: +5V DC / 3W Max.

Control: Control system for access to setup and module status with

BITE (Built-In Test Equipment) for use with GYDA Control

System.

Supported standards

SMPTE: SMPTE259M, SMPTE297M, SMPTE305M, SMPTE310M

DVB-ASI: EN50083-9

AES: AES-3id (with EQ and RCL switched off)

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DA-SDI Rev. 6

3 Format configuration

The DA-SDI can support a number of different formats. The correct configuration can either

be set with a DIP switch or with the GYDA Control System. The layout of DA-SDI is shown in

the drawing below with the DIP switch to the upper left position.

Figure 2: DA-SDI board layout.

DIP switch configuration must be set according to the table below:

Switch # Label Function DIP=OFF Function DIP=ON Comment

1 ARB Output muted when

reclocker not in lock Automatic Reclocker

Bypass. Output never

muted

Output mute

2 EQM Equaliser forced not to

mute Automatic muting of

equaliser when signal

strength is too low

Input mute

3 RCL Reclocker Bypass Reclocker ON Reclocker mode

4 EQ Cable equaliser Bypass Cable equaliser ON Equaliser mode

5 ASI SDI 177Mbps Reclocker

support DVB-ASI Reclocker

support ASI mode

6 SLL NA NA NA

7 BWL Reclocker loop-

bandwidth high. (apx.

1MHz)

Reclocker loop-

bandwidth low. (apx.

500kHz)

Loop bandwidth

select

8 OVR GYDA control Config.

with GYDA Override GYDA control

Config. with DIP switch Select GYDA

config. mode

All DIP switches are off when pointing towards the release handle.

When the default setting is selected, all clock rates for SDI and DVB-ASI are automatically

configured by the module itself.

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DA-SDI Rev. 6

3.1 Configuration Examples

Typical configurations for DA-SDI:

Figure 3: Default; SDI and DVB-ASI

Figure 4: Transparent Mode with equalisation and no reclocking.

Figure 5: AES3id compatible and Transparent Mode without equalisation and reclocking.

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DA-SDI Rev. 6

4 Connector module

The DA-SDI has two dedicated connector modules: DA-SDI-C1 and DA-SDI-C2. These

modules are mounted at the rear of the sub-rack. The modules are shown in Figure 6 and

Figure 7.

Figure 6: Overview of the DA-SDI-C1 connector module.

On DA-SDI-C1 the electrical input signal is connected to the IN BNC and the electrical

outputs are connected to the O1 to O6 BNC’s. Please note that all 6 outputs are non-inverted

and suitable for DVB-ASI.

Unused outputs should be terminated with 75 ohm.

DA-SDI-C1 also has GPI ALARM outputs on a RJ45 connector.

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DA-SDI Rev. 6

On DA-SDI-C2 the electrical input signal is connected to the IN BNC and the electrical

outputs are connected to the O1 to O8 BNC’s. Please note that outputs 1 to 6 are non-

inverted and suitable for DVB-ASI, while outputs 7 and 8 are inverting and cannot be used

for DVB-ASI.

Figure 7: Overview of the DA-SDI-C2 connector module.

Unused outputs should be terminated with 75 ohm.

DA-SDI-C2 does not have any GPI alarm outputs.

4.1 Mounting the connector module

The details of how the connector module is mounted, is found in the user manual for the sub-

rack frame FR-2RU-10-2.

This manual is also available from our web site: http://www.network-electronics.com/.

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DA-SDI Rev. 6

5 Module status

The status of the module can be monitored in three ways.

1. GYDA System Controller (optional).

2. GPI at the rear of the sub-rack.

3. LED’s at the front of the sub-rack.

Of these three, the GPI and the LED’s are mounted on the module itself, whereas the GYDA

System Controller is a separate module giving detailed information on the card status. The

functions of the GPI and the LED’s are described in sections 5.1 and 5.2. The GYDA

controller is described in a separate user manual.

5.1 GPI ALARM – Module Status Outputs

These outputs can be used for wiring up alarms for third party control systems. The GPI

outputs are open collector outputs, sinking to ground when an alarm is triggered. The GPI

connector is shown in Figure 8.

Electrical Maximums for GPI outputs

Max current: 100mA

Max voltage: 30V

DA-SDI module GPI pinning (Only supported by DA-SDI-C1 backplane):

Figure 8: GPI Outlet

Signal Name Pin # Mode

Status General error status for the module. Pin 1 Open Collector

Rate Rate SD Pin 2 Open Collector

LOS Los Of Signal Pin 3 Open Collector

LOCK Reclocker in Lock Pin 4 Open Collector

Ground 0 volt pin Pin 8 0V.

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