Nevion DA-3GHD User Manual

DA-3GHD-2x4

Multi Rate 3GHD-SDI Distribution Amplifier

User manual

Rev. C

Nevion

Nordre Kullerød 1
3241 Sandefjord
Norway
Tel: [phone]

nevion.com

DA-3GHD-2x4 Rev. C

Nevion Europe
P.O. Box 1020

3204 Sandefjord, Norway
Support phone 1: [phone]
Support phone 2: [phone]

Nevion USA

1600 Emerson Avenue

Oxnard, CA 93033, USA

Toll free North America: [phone]

Outside North America: [phone]

E-mail: [e-mail]

See http://www.nevion.com/support/ for service hours for customer support globally.

Rev.

Repl.

Date

Sign

Change description

C 2 2015-05-15

MB

Cover page update; DoC removed; no other
changes to content

2 1 2012-11-19

RB

Specifications for electrical outputs:

- Added note regarding output signal level
when using passive bypass versions.

Specifications for electrical inputs:

- Divided the cable equalization @2970Mbps
into 2 classes; with and without relays for
passive bypass.

Product overview:

- Added comment of 60 meters of cable
equalizing for 2970Mbps with the passive
bypass versions.

1 0 2012-09-27

MR/RB

Changes in Table 4 - Description of GPI interface:

- Changed to “Not used” for pin 2, 5 and 6.

- Changed to focus on outputs rather than
inputs for signal present.

- All outputs are inverted open collector and
open is alarm.

Changes in Figure 9: Panel indicator overview:

- “Main/Bypass” changed to ”Not used” for
LED 4

Changes to chapter 1 Product overview:

- Removed reference to change-over.

- Added description of distribution of the two
inputs to various outputs.

0 A 2011-01-31

MR

Initial version

Nevion Support

Revision history

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

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DA-3GHD-2x4 Rev. C

Contents

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

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

2 Specifications ................................................................................................ ..................... 6

3 Configuration ...................................................................................................................... 7

3.1 Configuration Examples................................................................................................... 8

4 Connections ....................................................................................................................... 9

5 Operation ..........................................................................................................................11

General environmental requirements for Nevion equipment .................................................13

Product Warranty .................................................................................................................14

Appendix A Materials declaration and recycling information .................................................15

A.1 Materials declaration ......................................................................................................15

A.2 Recycling information .....................................................................................................15

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DA-3GHD-2x4 Rev. C

Product

Type of

backplane board

# Outputs

GPI I/O

Relay (passive

loop-through)

19240 DA-3GHD-2x4

Version C1

8

No

No

19241 DA-3GHD-2x4-PB

Version C2

8

No

Yes

19242 DA-3GHD-2x3-G

Version C3

6

Yes

No

19243 DA-3GHD-2x3-PB-G

Version C4

6

Yes

Yes

1 Product overview

The Flashlink DA-3GHD-2x4 is a multi bit-rate distribution amplifier module providing high
performance media distribution for various signal formats from 19.4Mbps up to 2970Mbps.
The unit can be configured to do cable equalizing and reclocking of SMPTE 424M, SMPTE
292M and SMPTE 259M signal formats.

The two inputs typically provide automatic cable equalizing for up to 70 meters (60 meters for
the passive bypass versions) of cable (Belden 1694A at 2970Mbps) with a total of 6 or 8
reclocked outputs. The DA-3GHD-2x4 will detect HD and SD rates and automatically switch
to the correct output slew-rate.

The reclockers support the bit-rates 270Mbps, 1483.5Mbps, 1485Mbps 2967Mbps and
2970Mbps. For other rates, the reclockers automatically switch to bypass mode, and the DA­3GHD-2x4 will work as a non-reclocking distribution amplifier with cable equalizers.

The DA-3GHD-2x4 also supports reclocking of DVB-ASI at 270Mbps, enabling all possible
rates including empty transport streams with only K28.5 padding packets. 4 of the outputs
are non-inverting and suitable for DVB-ASI.

The unit has two 1x4/3 distribution amplifiers that can be individually configured to listen on
either input, giving 4 different options, input 1 to all outputs, input 2 to all outputs, inputs 1 to
first group with 2 on second group, or input 2 to first group and 1 to second group.

There is also included a passive bypass function (with backplane board C2 and C4) from
both inputs to non-inverted outputs with less than 15 m loss of cable length (enables full
redundancy in case of mains failure).

The DA-3GHD-2x4 is designed for all distribution purposes in studio, duplication and
broadcast applications.

The DA-3GHD-2x4 main board can be combined with 4 different backplane boards giving
functions as follows:

Table 1: Product overview

Please observe that –G versions cannot be used with N-Box, Flashlink one module desktop
box, due to mechanical issues.

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DA-3GHD-2x4 Rev. C

Figure 1: DA-3GHD-2x4 block diagram

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