Nevion 3GHD-OE User Manual

3GHD-OE

3GHD-OE-2

Single and dual 3G-SDI

optical to electrical converter

User manual

Rev. F

Nevion

Nordre Kullerød 1
3241 Sandefjord
Norway
Tel: [phone]

nevion.com

3GHD-OE / 3GHD-OE-2 Rev. F

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]

Rev.

Repl.

Date

Sign

Change description

F 5 2015-05-11

MB

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

5 4 2012-06-12

AJM

Updated chapter 3.5. and 6.1.1

4 3 2012-01-20

AJM

Added MADI transport chapter.

3 2 2011-10-19

AJM

Changed optical overload.

2 1 2010-03-09

AJM

Updated DIP 5 in 3.2

1 0 2009-10-23

AJM

Updated DIP 2, 4 and 6 in 3.2.

0 - 2009-05-15

AJM

First release.

Nevion Support

E-mail: [e-mail]

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

Revision history

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

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3GHD-OE / 3GHD-OE-2 Rev. F

Contents

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

1.1 Product versions .............................................................................................................. 5

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

2.1 General ........................................................................................................................... 6

2.2 Optical Input .................................................................................................................... 6

2.3 Electrical Outputs ............................................................................................................ 6

2.4 Standards ........................................................................................................................ 6

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

3.1 Single converter .............................................................................................................. 7

3.2 Dual converter ................................................................................................................. 8

3.3 Reclocker mode .............................................................................................................. 9

3.4 Display optical input power (long-haul version only) ........................................................ 9

3.5 Automatic change over ...................................................................................................10

3.6 Single converter configuration example ..........................................................................10

3.7 Dual converter configuration example .............................................................................11

4 MADI transport ..................................................................................................................12

5 Connections ......................................................................................................................13

5.1 Mounting the connector module ......................................................................................13

5.2 Terminal format support..................................................................................................13

6 Module status ....................................................................................................................15

6.1 GPI ALARM – Module Status Outputs ............................................................................15

6.2 Front panel – Status monitoring ......................................................................................16

7 RS422 commands .............................................................................................................17

7.1 FLP4.0 block commands ................................................................................................17

7.2 Single converter .............................................................................................................18

7.3 Dual converter ................................................................................................................18

General environmental requirements for Nevion equipment .................................................20

Product Warranty .................................................................................................................21

Appendix A Materials declaration and recycling information .................................................22

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3GHD-OE / 3GHD-OE-2 Rev. F

1 Product overview

The Flashlink 3GHD-OE and 3GHD-OE-2 is a dual multi bit-rate optical to electrical converter
module providing high performance media conversion for various signal formats from

19.4Mbps up to 2970Mbps. Unmatched signal accuracy, even in critical applications with
pathological signal patterns makes the 3GHD-OE and 3GHD-OE-2 the first choice for all
optical transport demands.

The 3GHD-OE- and 3GHD-OE-2 can transport all HD and SD signal formats in addition to
DVB-ASI and SMPTE 310M. It performs optical refreshing and signal re-clocking, which is
selectable on application. The optical input comes with a sophisticated PIN diode with a
sensitivity typically better than –20dBm operating in the 1200-1620nm wavelength range.
The module is also available as a long-haul version with typically -30dBm sensitivity. The
open system platform of Nevion Flashlink system allows easy interoperability with third party
fibre optical systems.

The 3GHD-OE and 3GHD-OE-2 unit has also three electrical outputs for each converter,
which reduces the need for additional DA’s

Figure 1 Block diagram of the 3GHD-OE converter

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3GHD-OE / 3GHD-OE-2 Rev. F

3GHD-OE

Single converter

3GHD-OE long haul

Single converter, long haul

3GHD-OE-2

Dual converter

3GHD-OE-2 long haul

Dual converter, long haul

Figure 2 Block diagram of the 3GHD-OE-2 converter

1.1 Product versions

Available in the following versions:

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3GHD-OE / 3GHD-OE-2 Rev. F

2 Specifications

2.1 General

Power +5V DC / 3.2W, max
Control Control system for access to setup and module status with

BITE (Built-In Test Equipment)

Temp. range 0 to +40 °C

2.2 Optical Input

Number of inputs 1 on single converter
2 on dual converter
Data rate optical 19.4 to 2970Mbps
Sensitivity short haul -20dBm
Sensitivity long haul -30dBm with laser extinction ratio >10:1 (DWDM)

-28dBm (CWDM)
Input overload short haul SD/HD: -3dBm, 3G: -5dBm
Input overload long haul -7dBm
Detector damage threshold >0dBm
Optical wavelength 1200–1620nm
Transmission circuit fiber Single mode 9/125um
Connector return loss >40dB w/SM fiber
Connector SC/UPC

2.3 Electrical Outputs

Number of outputs 6 on single converter
3 (per converter) on the dual converter
Connector BNC
Impedance 75 ohm
Return loss >15dB @ 5-1485MHz
>10dB 1485-2970MHz
Peak to peak signal level 800mV ± 100mV
Signal polarity 2 inverting, 4 non-inverting on single converter
2 inverting, 1 non-inverting (per converter) on dual converter

2.4 Standards

Supported standards for electrical and optical ports:
SMPTE292M, SMPTE259M, SMPTE297M, SMPTE305.2M, SMPTE310M, SMPTE424M,

DVB-ASI EN50083-9

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3GHD-OE / 3GHD-OE-2 Rev. F

Switch #

Label

Function, DIP = ON

Function, DIP = OFF

Comment

1

RCL1

Reclocker 1 ON

Reclocker 1 bypass

Reclocker mode for
output 1

2

PRI1

No function on this
product

3

RCL2

No function on this
product

4

PRI2

No function on this
product

5

SWP

No function on this
product

6

7

DOP

All LED showing
optical input power

LED’s normal operation

See 3.4 Display
optical input power

8

OVR

Override GYDA
control.
Configuration with
DIP switch

GYDA control.
Configuration with
GYDA

Select configuration
from GYDA

3 Configuration

3.1 Single converter

The 3GHD-OE can support a number of different broadcast formats. The correct
configuration can either be set with a DIP switch or with the GYDA Control System. The
layout of 3GHD-OE is shown in the drawing below with the DIP switch to the upper left
position.

Figure 3 3GHD-OE board layout

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

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