
GDR216
3Gb/s, HD and SD dual input distribution amplifier
with 8 reclocked outputs per channel (ASI/DVB
compatible)
Installation and Operation manual

WARNING: TO REDUCE THE RISK OF FIRE OR
ELECTRICAL SHOCK, DO NOT EXPOSE THIS
APPLIANCE TO RAIN OR MOISTURE
● ALWAYS disconnect your entire system from the AC mains before cleaning any component. The product
frame (SFR18 or SFR04) must be terminated with three-conductor AC mains power cord that includes an
earth ground connection. To prevent shock hazard, all three connections must always be used.
● NEVER use flammable or combustible chemicals for cleaning components.
● NEVER operate this product if any cover is removed.
● NEVER wet the inside of this product with any liquid.
● NEVER pour or spill liquids directly onto this unit.
● NEVER block airflow through ventilation slots.
● NEVER bypass any fuse.
● NEVER replace any fuse with a value or type other than those specified.
● NEVER attempt to repair this product. If a problem occurs, contact your local Axon distributor.
● NEVER expose this product to extremely high or low temperatures.
● NEVER operate this product in an explosive atmosphere.
Warranty: Axon warrants their products according to the warranty policy as described in the general terms.
That means that Axon Digital Design BV can only warrant the products as long as the serial numbers are not
removed.
Copyright © 2001 – 2014 AXON Digital Design B.V.
Date created: 03-07-2013
Date last revised: 02-04-2014
Axon, the Axon logo and Synapse are trademarks of Axon Digital Design B.V.
This product complies with the requirements of the product family standards for audio, video, audio-visual
entertainment lighting control apparatus for professional use as mentioned below.
EN60950
EN55103-1: 1996
EN55103-2: 1996
Axon Digital Design
GDR216
This device complies with part 15 of the FCC Rules
Operation is subject to the following two conditions:
(1) This device may cause harmful interference, and
(2) This device must accept any interference received, including
interference that may cause undesired operation.

Introduction to Synapse 6
An Introduction to Synapse 6
Local Control Panel 6
Remote Control Capabilities 6
Unpacking and Placement 7
Unpacking 7
Placing the card 7
A Quick Start 8
When Powering-up 8
Changing settings and parameters 8
Front Panel Control 8
Example of changing parameters using front panel control 9
Axon Cortex Software 10
Menu Structure Example 10
The GDR216 Card 11
Introduction 11
Features 11
Applications 11
Block schematic 12
Settings Menu 13
Introduction 13
Mode 13
Input_sel 13
PLL_set_A 14
Reclocker_A 14
Mute_A 14
PLL_set_B 14
Reclocker_B 14
Mute_B 14
GPO-0 15
GPO-1 15
GPO-2 15
Switch-Back 15
HDMI1-Format 15
HDMI1-DVI-Mode 16
HDMI1_Mute_All 16
HDMI2-Format 16
HDMI2-DVI-Mode 16
HDMI2_Mute_All 16
CVBS1-In-Format 16
CVBS2-In-Format 16
Status Menu 17
Introduction 17
SDI-Input_A 17
PLL-rate_A 17
SDI-Input_B 17
PLL-rate_B 17
Active-A 17
Active-B 17
Backplane-type 17
SFP1-Vendor 17
SFP1-Type 18
SFP1-Temp-Stat 18
SFP1-Volt-Stat 18
Port1/2-Enabled 18
Port1/2-Power 18
Port1/2-Power-Stat 18
Port1/2-Bias 18
Port1/2-Bias-Stat 18
Port1/2-Wavelength 18
SFP2-Vendor 18
SFP2-Type 18
SFP2-Temp-Stat 18
SFP2-Volt-Stat 19

Port3/4-Enabled 19
Port3/4-Power 19
Port3/4-Power-Stat 19
Port3/4-Bias 19
Port3/4-Bias-Stat 19
Port3/4-Wavelength 19
Events Menu 20
Introduction 20
What is the Goal of an event? 20
Events 20
Announcements 20
Input_A 20
Lock-Status_A 20
Input_B 20
Lock-Status_B 20
Active_Out_A 20
Active_Out_B 20
What information is available in an event? 21
The Message String 21
The Tag 21
Defining Tags 21
The Priority 21
The Address 21
LED Indication 22
Error LED 22
Input A LED 22
Input B LED 22
Connected LED 22
Block Schematic 23
Connector Panels 24

An Introduction to
Synapse
Synapse is a modular system designed for the broadcast industry.
High density, intuitive operation and high quality processing are
key features of this system. Synapse offers a full range of converters
and processing modules. Please visit the AXON Digital Design
Website at www.axon.tv to obtain the latest information on our new
products and updates.
The local control panel gives access to all adjustable parameters and
provides status information for any of the cards in the Synapse
frame, including the Synapse rack controller. The local control
panel is also used to back-up and restore card settings. Please refer
to the RRC18, RRC10, RRC04, RRS18 and RRS04 manuals for a
detailed description of the local control panel, the way to set-up
remote control over IP and for frame related settings and status
information.
Remote Control
Capabilities
The remote control options are explained in the rack controller
(RRC18/RRC10/RRC04/RRS18/RRS04) manual. The method of
connection to a computer using Ethernet is described in the
RRC/RRS manual.
CHECK-OUT: “AXON CORTEX” SOFTWARE WILL
INCREASE SYSTEM FLEXIBILITY OF ONE OR
MORE SYNAPSE FRAMES
Although not required to use Cortex with a Synapse frame, you are
strongly advised to use a remote personal computer or laptop PC
with Axon Cortex installed, as this increases the ease of use and
understanding of the modules.

The Axon Synapse card must be unpacked in an anti-static
environment. Care must be taken NOT to touch components on the
card – always handle the card carefully by the edges. The card must
be stored and shipped in anti-static packaging. Ensuring that these
precautions are followed will prevent premature failure from
components mounted on the board.
The Synapse card can be placed vertically in an SFR18 frame or
horizontally in an SFR04 and SFR08 frame. Locate the two guide
slots to be used, slide in the mounted circuit board, and push it
firmly to locate the connectors.
Correct insertion of card is essential as a card that is not located
properly may show valid indicators, but does not function correctly.
NOTE: On power up all LED’s will light for a few seconds, this is
the time it takes to initialise the card.

On powering up the Synapse frame, the card set will use basic data
and default initialisation settings. All LED’s will light during this
process. After initialisation, several LED’s will remain lit – the
exact number and configuration is dependent upon the number of
inputs connected and the status of the inputs.
Changing settings
and parameters
The front panel controls or the Axon Cortex can be used to change
settings. An overview of the settings can be found in chapter 5, 6
and 7 of this manual.
Front Panel Display and Cursor
Settings are displayed and changed as follows;
Use the cursor ‘arrows’ on the front panel to select the menu and
parameter to be displayed and/or changed.
To go forward through the menu structure.
To go back through the menu structure.
To move up within a menu or increase the value of
a parameter.
To move down through a menu or decrease the
value of a parameter.
NOTE: Whilst editing a setting, pressing ► twice will reset the
value to its default.