Ross SRG-4400 User manual

SRG-4400
Master Reference and Test Signal Generator
User Manual

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SRG-4400 User Manual
• Ross Part Number: 4400DR-004A-06
• Release Date: July 6, 2017.
Copyright
© 2017 Ross Video Limited. Ross®, openGear®, and any related marks are trademarks or
registered trademarks of Ross Video Ltd. All other trademarks are the property of their respective
companies. PATENTS ISSUED and PENDING. All rights reserved. No part of this publication
may be reproduced, stored in a retrieval system, or transmitted in any form or by any means,
mechanical, photocopying, recording or otherwise, without the prior written permission of Ross
Video. While every precaution has been taken in the preparation of this document, Ross Video
assumes no responsibility for errors or omissions. Neither is any liability assumed for damages
resulting from the use of the information contained herein.
Patents
Patent numbers US 7,034,886; US 7,508,455; US 7,602,446; US 7,802,802 B2; US 7,834,886;
US 7,914,332; US 8,307,284; US 8,407,374 B2; US 8,499,019 B2; US 8,519,949 B2; US
8,743,292 B2; GB 2,419,119 B; GB 2,447,380 B; and other patents pending.

Important Regulatory and Safety Notices to Service Personnel
Before using this product and nay associated equipment, refer to the “Important Safety
Instructions” listed below to avoid personnel injury and to prevent product damage.
Product may require specific equipment, and/or installation procedures to be carried out to satisfy
certain regulatory compliance requirements. Notices have been included in this publication to call
attention to these specific requirements.
Symbol Meanings
Important Safety Instructions
This symbol on the equipment refers you to important operating and maintenance (servicing)
instructions within the Product Manual Documentation. Failure to heed this information may
present a major risk of damage to persons or equipment.
Warning — The symbol with the word “Warning” within the equipment manual indicates a
potentially hazardous situation, which, if not avoided, could result in death or serious injury.
Caution — The symbol with the word “Caution” within the equipment manual indicates a
potentially hazardous situation, which, if not avoided, may result in minor or moderate injury. It
may also be used to alert against unsafe practices.
Notice — The symbol with the word “Notice” within the equipment manual indicates a
potentially hazardous situation, which, if not avoided, may result in major or minor equipment
damage or a situation which could place the equipment in a non-compliant operating state.
ESD Susceptibility — This symbol is used to alert the user that an electrical or electronic
device or assembly is susceptible to damage from an ESD event.
Warning — Certain parts of this equipment namely the power supply area still present a
safety hazard, with the power switch in the OFF position. To avoid electrical shock, disconnect
all A/C power cords from the chassis’ rear appliance connectors before servicing this area.
Warning — Service barriers within this product are intended to protect the operator and
service personnel from hazardous voltages. For continued safety, replace all barriers after any
servicing.
This product contains safety critical parts, which if incorrectly replaced may present a risk of
fire or electrical shock. Components contained with the product’s power supplies and power
supply area, are not intended to be customer serviced and should be returned to the factory for
repair. To reduce the risk of fire, replacements fuses must be the same time and rating. Only
use attachments/accessories specified by the manufacturer.

EMC Notices
United States of America
FCC Part 15
This equipment has been tested and found to comply with the limits for a class A Digital device,
pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection
against harmful interference when the equipment is operated in a commercial environment. This
equipment generates, uses, and can radiate radio frequency energy and, if not installed and used
in accordance with the instruction manual, may cause harmful interference to radio
communications. Operation of this equipment in a residential area is likely to cause harmful
interference in which case the user will be required to correct the interference at their own
expense.
CANADA
This Class “A” digital apparatus complies with Canadian ICES-003.
Cet appariel numerique de la classe “A” est conforme a la norme NMB-003 du Canada.
EUROPE
This equipment is in compliance with the essential requirements and other relevant provisions of
CE Directive 93/68/EEC.
INTERNATIONAL
This equipment has been tested to CISPR 22:2009 and found to comply with the limits for a
Class A Digital device.
Maintenance/User Serviceable Parts
Routine maintenance to this Ross Video product is not required. This product contains no user
serviceable parts. If the module does not appear to be working properly, please contact Technical
Support using the numbers listed under the “Contact Us” section on the last page of this manual.
This Ross Video product is covered by a generous 3-year warranty and will be repaired without
charge for materials or labor within this period. See the “Warranty and Repair Policy” section in
this manual for details.
Notice — Changes or modifications to this equipment not expressly approved by Ross Video
Limited could void the user’s authority to operate this equipment.
Notice — This is a Class A product. In domestic environments, this product may cause radio
interference, in which case the user may have to take adequate measures.

Environmental Information
The equipment that you purchased required the extraction and use of natural
resources for its production. It may contain hazardous substances that could
impact health and the environment.
To avoid the potential release of those substances into the environment and to diminish the need
for the extraction of natural resources, Ross Video encourages you to use the appropriate
take-back systems. These systems will reuse or recycle most of the materials from your
end-of-life equipment in an environmentally friendly and health conscious manner.
The crossed out wheelie bin symbol invites you to use these systems.
If you need more information on the collection, re-use, and recycling systems, please contact your
local or regional waste administration.
You can also contact Ross Video for more information on the environmental performance of our
products.
This product is classified under Category 3, IT and Telecommunications Equipment, and is
therefore inside and complies with the scope of the (2011/65/EU) RoHS Directive.

Company Address
Ross Video Limited Ross Video Incorporated
8 John Street P.O. Box 880
Iroquois, Ontario, K0E 1K0 Ogdensburg, New York
Canada USA 13669-0880
General Business Office: (+1) 613 • 652 • 4886
Fax: (+1) 613 • 652 • 4425
Technical Support: (+1) 613 • 652 • 4886
After Hours Emergency: (+1) 613 • 349 • 0006
E-mail (Technical Support): tech[email protected]
E-mail (General Information): solu[email protected]
Website: http://www.rossvideo.com

SRG-4400 User Manual (Iss. 06) Contents • i
Contents
Introduction 1
Overview.............................................................................................................................. 1-2
Features.................................................................................................................. 1-2
Functional Block Diagrams ................................................................................................. 1-3
Inputs, and Audio Generator ................................................................................. 1-3
SDI Outputs........................................................................................................... 1-3
Composite Pattern and Tri-Sync/Composite Black Outputs................................. 1-4
Timecode ............................................................................................................... 1-4
Signal Processing Modules ................................................................................... 1-5
Documentation Terms and Conventions.............................................................................. 1-6
Physical Installation 2
Before You Begin ................................................................................................................ 2-2
Static Discharge..................................................................................................... 2-2
Unpacking.............................................................................................................. 2-2
Initial Product Inspection.....................................................................................................2-3
Operating Environment Requirements ................................................................................ 2-4
Rack Mount Installation....................................................................................................... 2-5
Installing the SRG-4400 into a Rack Unit............................................................. 2-5
Installing the Rear Support Brackets..................................................................... 2-5
Installing the Breakout PCB ................................................................................................ 2-6
Before You Begin.................................................................................................. 2-6
Installing the Breakout PCB on the Rack Tray ..................................................... 2-7
Installing the Breakout PCB into the Rack Frame ................................................ 2-7
Connecting the Breakout PCB to the SRG-4400 .................................................. 2-8
Cabling the Connectors on the Breakout PCB ...................................................... 2-9
Connecting Power.............................................................................................................. 2-10
Replacing a Power Supply................................................................................... 2-10
Accessories and Options.................................................................................................... 2-12
Standard Accessories........................................................................................... 2-12
Additional Software Options............................................................................... 2-12
Functional Check Procedures 3
Required Equipment ............................................................................................................ 3-2
Before You Begin ................................................................................................................ 3-3
Initial Power-Up .................................................................................................................. 3-4
Initial Configuration ............................................................................................................ 3-5
Check Outputs...................................................................................................................... 3-6
Composite (Analog) Video Signal Outputs: ......................................................... 3-6
Black 1 (Analog) Video Signal Outputs ............................................................... 3-6
Tri-Black 2 / 3 / 4 Tri-Level Sync Outputs .......................................................... 3-7
Serial Digital Video Signal Outputs ..................................................................... 3-7
SDI Embedded Audio Settings.............................................................................. 3-8
AES / EBU Audio Outputs.................................................................................... 3-8
Analog Audio Outputs.......................................................................................... 3-9

ii • Contents SRG-4400 User Manual (Iss. 06)
Time and Timecode Settings ...............................................................................3-10
Genlock Mode .....................................................................................................3-11
System Functions................................................................................................3-11
Network Settings .................................................................................................3-12
Option Enable Settings ........................................................................................3-12
Calibration Settings .............................................................................................3-13
Operational Configuration .................................................................................................3-14
Operating Basics 4
Front Panel Overview ..........................................................................................................4-2
Rear Panel Overview............................................................................................................4-4
Operating Basics ..................................................................................................................4-6
Software Upgrades...............................................................................................................4-7
Before You Begin..................................................................................................4-7
Uploading the Software Files ................................................................................4-7
Menu System 5
Menu Screens and Maps ......................................................................................................5-2
Audio Menus........................................................................................................................5-5
Video Menus ........................................................................................................................5-9
Menu Descriptions...............................................................................................5-10
Timecode Menus................................................................................................................5-21
Menu Examples ...................................................................................................5-23
Menu Descriptions...............................................................................................5-24
Additional Information for the Summer/Winter DST........................................................5-30
Additional Information for the Leap Second Event (UTC) ...............................................5-32
Genlock Menus ..................................................................................................................5-34
Menu Descriptions...............................................................................................5-35
System Setup Menus..........................................................................................................5-39
Temperature Reports ...........................................................................................5-39
Event Report ........................................................................................................5-40
System Report......................................................................................................5-41
GPS Report ..........................................................................................................5-43
Configuration Menu...........................................................................................................5-45
Network Menu ...................................................................................................................5-48
Other Menus ........................................................................................................5-49
NTP Menus ........................................................................................................................5-50
NTP System is Off...............................................................................................5-50
NTP Client Mode.................................................................................................5-50
Server Mode........................................................................................................5-51
DashBoard Menu ...............................................................................................................5-53
Backup Device Menu.........................................................................................................5-55
Poll the Primary SPG on......................................................................................5-55
IP Address, SubNet Mask....................................................................................5-55
Poll is disabled.....................................................................................................5-55
This is PRIMARY, so never poll.........................................................................5-55
Option Enable Menu ..........................................................................................................5-57
Calibration Menu ...............................................................................................................5-59
Disclaimer............................................................................................................5-60
Troubleshooting 6
Troubleshooting Checklist ...................................................................................................6-2
Equipment Checklist ............................................................................................................6-3
Contacting Ross Video Technical Support ..........................................................................6-4

SRG-4400 User Manual (Iss. 06) Contents • iii
Specifications 7
General Characteristics........................................................................................................7-2
Performance Conditions........................................................................................ 7-2
Reference Specifications...................................................................................................... 7-3
Video Reference Inputs ........................................................................................ 7-3
Frequency Reference Inputs.................................................................................. 7-3
GPS Receiver Antenna Input ................................................................................ 7-4
Frequency Reference Outputs ............................................................................... 7-4
1Hz Frequency Reference Output ........................................................................ 7-4
Analog Video Outputs ......................................................................................................... 7-5
Notes on Field Blanking........................................................................................ 7-5
Serial Digital Interface......................................................................................................... 7-7
Audio Specifications............................................................................................................ 7-9
AES/EBU Audio Unbalanced Outputs.................................................................. 7-9
AES/EBU Audio Balanced Outputs...................................................................... 7-9
Analog Audio Outputs......................................................................................... 7-10
LTC Outputs ...................................................................................................................... 7-11
Programmable Pulse Unbalanced Outputs ........................................................................ 7-12
Communication Interfaces................................................................................................. 7-13
General Purpose Interface (GPI) ........................................................................ 7-13
RS-232 Interface.................................................................................................. 7-13
Ethernet Interface............................................................................................................... 7-14
AC Power Source............................................................................................................... 7-15
Physical Specifications ...................................................................................................... 7-16
Clearance ............................................................................................................. 7-16
Mechanical Characteristics.................................................................................. 7-16
Environment Characteristics .............................................................................. 7-16
Certifications and Compliances 8
Certifications and Compliances........................................................................................... 8-2
Connector Pinouts 9
Balanced Audio/AES/LTC Connector................................................................................. 9-2
Pin Views of Connectors....................................................................................... 9-3
GPI/RS232 Connector ........................................................................................................ 9-4
Connector Pinouts ................................................................................................. 9-4
Breakout Cable...................................................................................................... 9-4
Pin Views of Chassis Connectors.......................................................................... 9-5
Characters for Idents 10
Notes about Compatibility Characters............................................................................... 10-2
Characters Available.......................................................................................................... 10-3
Test Patterns 11
525i Test Patterns............................................................................................................... 11-2
625i Test Patterns............................................................................................................... 11-4
720p Test Patterns.............................................................................................................. 11-6
1035i Test Patterns............................................................................................................. 11-8
1080i and 1080PsF Test Patterns..................................................................................... 11-10
1080p Test Patterns.......................................................................................................... 11-12
Connecting via DashBoard 12
General Usage.................................................................................................................... 12-2

iv • Contents SRG-4400 User Manual (Iss. 06)
Accessing the SRG-4400 via DashBoard ..........................................................................12-3
NTP Option 13
Overview............................................................................................................................13-2
Background Information ....................................................................................................13-3
Simplified NTP Flowcharts................................................................................................13-4
Required Time Corrections................................................................................................13-6
GPS Option 14
Before You Begin ..............................................................................................................14-2
System Requirements.........................................................................................................14-3
Cable, Antenna, and Amplifier Combinations ....................................................14-3
Installing the GPS Antenna................................................................................................14-4
Connecting the SRG-4400 to the GPS Antenna ................................................................14-6
Connection without a Line Amplifier..................................................................14-6
Connection with a Line Amplifier.......................................................................14-7
Operation............................................................................................................................14-8
Locking the SRG-4400 to GPS............................................................................14-8
Signal Requirements............................................................................................14-9
Required Time Corrections..................................................................................14-9
System Noise Floor..............................................................................................14-9
Simplified GPS Flowchart.................................................................................14-10
Date in the User Bits of Timecode 15
Service Information 16
User Maintenance...............................................................................................................16-2
General Care ........................................................................................................16-2
Exterior Cleaning.................................................................................................16-2
Preventive Maintenance.......................................................................................16-2
Servicing..............................................................................................................16-3
Service Safety Overview .....................................................................................16-3
Important Information Regarding the use of Switch Cleaners ............................16-3
Warranty and Repair Policy...............................................................................................16-4

SRG-4400 User Manual (Iss. 06) Introduction • 1–1
Introduction
In This Chapter
This chapter contains the following sections:
• Overview
• Functional Block Diagrams
• Documentation Terms and Conventions
A Word of Thanks
Congratulations on choosing the SRG-4400 Master Reference and Test Signal Generator. Thank
you for joining the group of worldwide satisfied Ross Video customers!
Should you have a question pertaining to the installation or operation of your SRG-4400, please
contact us at the numbers listed on the back cover of this manual. Our technical support staff is
always available for consultation, training, or service.

1–2 • Introduction SRG-4400 User Manual (Iss. 06)
Overview
The SRG-4400 is designed for high stability Master Sync operation. The product can provide a
wide range of accurate reference signals including analog composite video, analog composite
black-burst, tri-level sync, SD, HD and 3G serial digital (SDI) video, and SD, HD, and 3G SDI
black. Additionally, there are AES/EBU digital audio outputs, an external frequency reference
input, and a GPS input.
The SRG-4400, in its base configuration, is supplied as a Composite SPG with multiple Color
Black and SD-SDI outputs. The Color Black outputs are configured to be capable of providing
tri-level syncs. A sub-module also provides an interface for additional signals including
AES/EBU digital audio outputs, analog audio outputs, LTC outputs, a GPS input, and an external
frequency reference input.
Additional options above the base configuration are enabled using special Option Keys. These
options are: GPS (SRG-4400-GPS) and NTP (SRG-4400-NTP). The connectors and associated
hardware for these options will already be present, the Option Keys simply enable the GPS or
NTP option.
The SRG-4400 comes standard with a dual power supply unit (PSU) configuration which has two
PSU installed into the front of the unit, and can be “hot-swapped” should problems be
encountered.
A companion automatic changeover unit, the ACO-4400A, is also available.
Features
The SRG-4400 includes the following:
• High Stability Internal Reference
• Genlock to the NTSC/PAL Black-Burst signals or optionally to GPS
• Frequency Lock to 10 MHz
• 2 Composite Analog Video signal outputs + 2 Composite Analog Black-Burst signal
outputs
• 2 Independent Serial Digital Video signal outputs + 2 SDI Black outputs
• 3 Independent Pattern Generators
• 3 Independent Monochrome ID text and Monochrome Logo Generators supporting
international characters
• 3 Independent and Timeable Black-Burst or Tri-Sync Generators
• 11 Independent channels of Timecode: 4 Longitudinal Timecode (LTC) outputs
(Balanced), 2 Serial Digital VITC / ATC, and 5 Analog Video VITC
• 82 channels of Audio: 16 channels of Embedded Audio in each of 4 SDI outputs, 16
channels of Audio in 8 AES/EBU Serial Digital Audio outputs (8 Balanced and 2 BNC),
1 Stereo Analog Audio output (Balanced)
• 2 AES/EBU DARS Serial Digital Audio outputs (1 Balanced and 1 BNC)
• 48 kHz and 44.1 kHz Word Clock output
• 1Hz, 6Hz and 10MHz Reference output
• GPI (General Purpose Interface) for error status report and user preset
• Ethernet (100 BASE-T) Interface for connection to the DashBoard Control System
• No fans
• N+1 power redundancy
• Tight integration with the ACO-4400A Channel Changeover unit

SRG-4400 User Manual (Iss. 06) Introduction • 1–3
Functional Block Diagrams
This section provides the functional block diagrams that outline the workflow of the SRG-4400.
Inputs, and Audio Generator
SDI Outputs
Figure 1.3 SDI Outputs
Figure 1.1 Central Timing Generator Figure 1.2 Audio Generator
Central
Timing
Generator
and
UTC Time
Reference
Genlock Video
Reference
(Color Black,
Tri-sync, VITC)
NTP Client
NTP Server
GPS
10MHz
10MHz
Time Clocks
Audio Clocks
Video Clocks ANLG Audio
Word Clocks
DARS
Digital Audio
AES 1-8
SDI 2 Black
SDI 2 Pattern
44.1KHz Output
48KHz Output
BNC & Balanced Outputs
BNC & Balanced Outputs
SDI 2 Black Embed
SDI 2 Pattern Embed
SDI 1 Black SDI 1 Black Embed
SDI 1 Pattern SDI 1 Pattern Embed
Balanced Outputs
Audio Clocks
2
20
16
16
16
16
SDI 1 (3G/HD/SD)
Black Outputs
SDI 1 (3G/HD/SD)
Pattern Outputs
SDI 2 (3G/HD/SD)
Black Outputs
SDI 2 (3G/HD/SD)
Pattern Outputs
Video Clocks
Video Clocks
Pattern
Generator
Blanking
Generator
Circle
Generator
Ident
Generator
OSD Menu
Insert
Audio
Embed
ATC
Embed
VITC
Insert
OSD Menu
Insert
Audio
Embed
ATC
Embed
VITC
Insert
Pattern
Generator
Blanking
Generator
Circle
Generator
Ident
Generator
OSD Menu
Insert
Audio
Embed
ATC
Embed
VITC
Insert
OSD Menu
Insert
Audio
Embed
ATC
Embed
VITC
Insert
16
16
16
16

1–4 • Introduction SRG-4400 User Manual (Iss. 06)
Composite Pattern and Tri-Sync/Composite Black Outputs
Figure 1.4 Composite Pattern and Tri-Sync/Composite Black Outputs
Timecode
Figure 1.5 Timecode
Timing Offset
Generator
Pattern
Generator
Video Clocks Circle
Generator
Ident
Generator
OSD Menu
Insert
Sync
Generator
VITC
Insert
Composite 1
Pattern Outputs
Video Clocks Timing Offset
Generator
Sync
Generator
VITC
Insert
Color Black 1
Outputs
Video Clocks Timing Offset
Generator
Sync
Generator
VITC
Insert
Tri-Sync 2 /
Color Black 2 Outputs
Video Clocks Timing Offset
Generator
Sync
Generator
VITC
Insert
Tri-Sync 3 /
Color Black 3 Outputs
Video Clocks Timing Offset
Generator
Sync
Generator
VITC
Insert
Tri-Sync 4 /
Color Black 4 Outputs
NTP
SLAVE
UTC
TIME Time Output when SPG = NTP Server
SPG
TIME
REAL TIME
CLOCK
± Leap Second
SPG Offset
+1
hour
-1
hour
SDI 1
TIMECODE
SDI 1
Offset
Summer
Time
Winter
Time
Summer
Time
Winter
Time
Summer
Time
Winter
Time
Summer
Time
Winter
Time
Summer
Time
Winter
Time
Summer
Time
Winter
Time
Summer
Time
Winter
Time
Summer
Time
Winter
Time
Summer
Time
Winter
Time
Summer
Time
Winter
Time
Summer
Time
Winter
Time
+1
hour
-1
hour
SDI 2
TIMECODE
SDI 2
Offset
+1
hour
-1
hour
BLACK 1
TIMECODE
Black 1
Offset
+1
hour
-1
hour
BLACK 2
TIMECODE
Black 2
Offset
+1
hour
-1
hour
LTC 1
TIMECODE
LTC 1
Offset
+1
hour
-1
hour
LTC 2
TIMECODE
LTC 2
Offset
+1
hour
-1
hour
LTC 3
TIMECODE
LTC 3
Offset
+1
hour
-1
hour
LTC 4
TIMECODE
LTC 4
Offset
+1
hour
-1
hour
BLACK 3
TIMECODE
Black 3
Offset
+1
hour
-1
hour
BLACK 4
TIMECODE
Black 4
Offset
+1
hour
-1
hour
COMPOSITE
TIMECODE
Composite
Offset
GPS
RECEIVER
Timecode Outputs
LTC 1 = SPG Time ± LTC 1 Offset + Daylight Saving
LTC 2 = SPG Time ± LTC 2 Offset + Daylight Saving
LCT 3 = SPG Time ± LTC 3 Offset + Daylight Saving
LTC 4 = SPG Time ± LTC 4 Offset + Daylight Saving
Black 1 = SPG Time ± Black 1 Offset + Daylight Saving
Black 2 = SPG Time ± Black 2 Offset + Daylight Saving
Black 3 = SPG Time ± Black 3 Offset + Daylight Saving
Black 4 = SPG Time ± Black 4 Offset + Daylight Saving
Composite = SPG Time ± Composite Offset + Daylight Saving
SDI 1 = SPG Time ± SDI 1 Offset + Daylight Saving
SDI 2 = SPG Time ± SDI 2 Offset + Daylight Saving
Offsets are user defined.
Daylight saving can be automatically added some countries.
SPG Time = UTC ± SPG Offset
i.e. Toronto, ON Canada is UTC - 05:00

SRG-4400 User Manual (Iss. 06) Introduction • 1–5
Signal Processing Modules
Figure 1.6 Signal Processing
Genlock Video Reference
+12V Input
1Hz
LTC
Analog Audio
AES & DARS
Pulses / Word Clock
10MHz
10MHz In
GPS
Composite
Color Black / Tri-Sync
3G / HD / SD SDI
SRG-4400
LCD Control Panel
RS-232 / GPIO
MODULE
SRG-4400
MAIN MODULE
SRG-4400
SUB-MODULE

1–6 • Introduction SRG-4400 User Manual (Iss. 06)
Documentation Terms and Conventions
The following terms and conventions are used throughout this manual.
Terms
The following terms are used:
•“Almanac” refers to a set of parameters included in the GPS satellite navigation message
that a receiver uses to predict the approximate location of a satellite. The almanac
contains information about all of the satellites in the constellation.
•“CW signals” refers to continuous wave signals.
•“Ephemeris” is a description of the path of a celestial body indexed by time. The
navigation message from each GPS satellite includes a predicted ephemeris for the orbit
of that satellite valid for the current hour. The ephemeris is repeated every 30 seconds and
is in the form of a set of 16 Keplerian-like parameters with corrections that account for
the perturbations to the orbit caused by the earth’s gravitational field and other forces.
•“Epoch” is an instant of time (or a date) from which values of data are referenced. Note:
an Era is the period of time between successive epochs.
•“GLONASS” refers to the Global Navigation Satellite System.
•“GPS” refers to global positioning system.
•“Operator” and “User” refer to the person who uses SRG-4400.
•“RF interference” refers to radio frequency interference
•“System” and “Video system” refer to the mix of interconnected production and terminal
equipment in your environment.
•“UTC” refers to Co-ordinated Universal Time. The time scale based on the atomic
second but occasionally corrected, by the insertion of leap seconds, to keep it
approximately synchronized with Earth’s rotation. The leap second adjustments keep
UTC within 0.9 seconds UTI1.
Conventions
The following conventions are used:
•The “Operating Tips” and “Note” boxes are used throughout this manual to provide
additional user information.

SRG-4400 User Manual (Iss. 06) Physical Installation • 2–1
Physical Installation
In This Chapter
This chapter provides instructions for installing the SRG-4400.
The following topics are discussed:
• Before You Begin
• Initial Product Inspection
• Operating Environment Requirements
• Rack Mount Installation
• Installing the Breakout PCB
• Connecting Power
• Accessories and Options

2–2 • Physical Installation SRG-4400 User Manual (Iss. 06)
Before You Begin
Before installing the SRG-4400, refer to the section “Important Regulatory and Safety Notices
to Service Personnel” located at the front of this manual for power source, grounding, and other
general safety information.
Static Discharge
Throughout this manual, please heed the following cautionary note:
Unpacking
Unpack each SRG-4400 you received from the shipping container and ensure that all items are
included. If any items are missing or damaged, contact your sales representative or Ross Video
directly.
ESD Susceptibility — Static discharge can cause serious damage to sensitive
semiconductor devices. Avoid handling circuit boards in high static environments such as
carpeted areas and when synthetic fiber clothing is worn. Always exercise proper grounding
precautions when working on circuit boards and related equipment.