™
Avid Unity ISIS
Site Preparation Guide
make manage move | media
™
Avid
®
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Copyright © 2006 Avid Technology, Inc. and its licensors. All rights reserved.
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Copyright © 1991–1997 Silicon Graphics, Inc.
Permission to use, copy, modify, distribute, and sell this software [i.e., the TIFF library] and its documentation for any purpose
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2
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Trademarks
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Avid DNA, Avid DNxcel, Avid DNxHD, AVIDdrive, AVIDdrive Towers, Avid DS Assist Station, Avid ISIS,
Avid Learning Excellerator, Avid Liquid, Avid Mojo, AvidNet, AvidNetwork, Avid Remote Response, AVIDstripe, Avid Unity,
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All other trademarks contained herein are the property of their respective owners.
Avid Unity ISIS Site Preparation Guide• 0130-07552-01 • Rev A • May 2006
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4
Contents
Chapter 1 Site Planning Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
The Naming Convention . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Standard Avid Unity ISIS Hardware Components. . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Supported Cabling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Optional and Customer-Supplied Components . . . . . . . . . . . . . . . . . . . . . . . . . 10
Rackmounting the Equipment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Installing Rack-Mount Rails and Brackets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Installing System Director and Avid ISIS Engine . . . . . . . . . . . . . . . . . . . . . . . . 11
Other Avid Products . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Choosing the System Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Customer Responsibility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Chapter 2 System Layout Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Hardware Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Clearance and Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Airflow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Dimensions and Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Chapter 3 Environmental Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Physical Site Characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Security Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Chapter 4 Electrical Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Connecting Power to Equipment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Three 20-Amp AC Circuits for Three Engines . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Three 20-Amp AC Circuits for Two Engines . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Two 20-Amp AC Circuits for Two Engines. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Power Cords . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
5
Tables
Product Nomenclature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Supported Cables. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Component Dimensions and Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Environmental Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
Electrical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Power Cord Requirements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
6
Chapter 1
Site Planning Overview
You need to carefully plan for space, environmental, and power requirements for your Avid
ISIS hardware so the installation proceeds smoothly. During your planning you need to
consider:
™
• Which Avid Unity ISIS
affect your installation date if you need to obtain some optional components from
sources other than Avid.
• The environment into which you are installing the Avid Unity ISIS hardware. You might
need to make adjustments to keep the components within their normal operating limits.
• The electrical capacity of the area where you are installing the Avid Unity ISIS. You
might need to upgrade the power and electrical outlets due to the power requirements of
Avid Unity ISIS.
You should refer to this guide anytime you plan to move the hardware, or when you install
additional components to expand the capacity of your Avid Unity ISIS workgroup.
components are standard and which are optional. This can
The Naming Convention
While you are reading this document it is important to understand the terms used while
explaining the use of the system. The following table, used in conjunction with the
remaining document, provides the actual nomenclature and the terms used in this manual to
describe that nomenclature:
Chapter 1 Site Planning Overview
Product Nomenclature
Product name Term used
Avid Unity ISIS media network
Avid Unity ISIS architecture
Avid Unity ISIS file system
Avid ISIS storage blade (Labeled i500 at this time to
denote size of SATA drives)
Avid Unity ISIS Integrated Ethernet switch blade ISIS Integrated Switch (ISS)
Avid Unity ISIS Expansion Integrated Ethernet
switch blade
Integrated Power supply and Cooling fans Power supplies
Avid Unity ISIS engine Contains the ISBs, ISSs, IXSs, power
Avid Unity ISIS System Director (Active and
standby)
a. The Avid hardware shown in the “Hardware Overview” on page 15 Some hardware is supplied by the
customer, such as external Ethernet switches.
a
a
a
System or shared network storage
environment
Architecture, including software
Group of bound storage elements
ISIS Storage Blade (ISB)
ISIS Expansion Switch (IXS)
supplies, and an internal midplane (engine)
System Director, a CPU connected to the ISS
to manage the data and portions of the
metadata to the System Director
Standard Avid Unity ISIS Hardware Components
The following hardware components are supplied with Avid Unity ISIS workgroups:
• One System Director (2U rack-mount)
• Avid Unity ISIS engine (4U rack-mount)
• Cables for connecting the System Director and Avid ISIS engine.
n
8
Avid engine Interconnect CX-4 cables used with the Avid ISIS hardware are designed and
provided by Avid due to the specific needs and speeds in the distribution of data.
Supported Cabling
Avid supports the following cable types for connecting a Avid ISIS system.
Standard Avid Unity ISIS Hardware Components
n
n
Cable Name Function Maximum Distance
Avid engine Interconnect
CX-4 cable. Only
available from Avid.
RJ45 Cat 5E or Cat 6
Ethernet cable (minimum).
Cat5 cable is not supported
for these connections.
Optical (XFP) cable.
Read the important
information below this
table when using an
Optical XFP cable.
If you need run your cable distances, call Avid Customer Support for supported cable and
accessory information.
Improper removal of the engine connection cables can cause major problems. See the Avid
Unity ISIS Setup Guide for cable removal instructions.
Supported Cables
To connect engines. 3 supported lengths at this time:
1, 3, and 5 meters
To connect management port to
laptop,
Connect System Director to an
ISS, connect two System
Directors Ethernet boards,
connect client to 1 Gb ports on
an ISS.
To connect 10-Gb port of switch
to XFP optical 10 Gb port on the
engine.
100 Meters; If using CAT5E the cable must be
rated for 350 MHz for maximum length.
The maximum length of the cable is defined by
the micron and modal bandwidth.
Avid supports two lengths of the 850 nm cable for
short distances:
• MMF 62.5 micron cable Modal = 200 at 33
meters
• MMF 50 micron cable Modal = 2000 at 300
meters
Avid supports the 1310 nm cable for long
distances:
• SMF ITU G.652.A/B 9 micron cable up to 10
km
9
Chapter 1 Site Planning Overview
Supported Cables
Cable Name Function Maximum Distance
w
n
Transceivers, X2 and XFPs
Cisco 4948 uses X2s, not XFPs
Foundry FESX 424 XFP
ISIS ISS XFPs
The Optical (XFP) cable is an international Class 1 laser product per IEC 60825-1
Amendment 2(2001) and IEC 60825-2 1997. Operating this product in a manner
inconsistent with intended usage and specification may result in hazardous radiation
exposure. Tampering with this laser based product or operating this product outside
the limits of this specification may be considered an act of “manufacturing,” and will
require, under law, recertification of the modified product with the U.S. Food and Drug
Administration (21 CFR 1040). Published by Picolight Incorporated. All rights
reserved.
When you connect to the optical (XFP based) 10 Gb port on the ISS module, it is important
that the correct “grade” of cabling is used based on the length requirements. There is a
specification known as modal bandwidth (measured in MHzïkm) that is very important when
selecting the correct multi-mode optical cabling. The modal bandwidth dictates the
maximum length at which you can run the cable.
X2 and XFP names
•SC to SC
X2 = Cisco X2-10GB-SR for MMF
X2 = Cisco X2-10GB-LR for SMF
•LC to LC
XFP = 10G-XFP-SR for MMF
XFP = 10G-XFP-LR for SMF
XFP = Foundry 10G-XFP-SR
or Pico-light XXL-SC-S45-21 for MMF
XFP = Foundry 10G-XFP-LR
or Bookham 10G-BASE-LR for SMF
Optional and Customer-Supplied Components
The following hardware components are optional for Avid Unity ISIS workgroups:
• A second System Director to provide system redundancy (failover configurations only)
• Gig-E Ethernet Switch with one or two 10-Gb ports
The following hardware components are customer supplied components:
• A rack (recommended)
• UPS provided by customer
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Rackmounting the Equipment
This chapter provides needed information type of rack needed when mounting the Avid
Unity ISIS system.
Installing Rack-Mount Rails and Brackets
All Avid ISIS rack-mount components are supplied with either mounting rails or brackets.
You should follow the manufacturer’s installation instructions supplied with each
component to correctly attach the rails or brackets to the rack rails.
Rackmounting the Equipment
n
Where necessary, this guide supplies specific rack-mount rail or bracket installation
instructions. These instructions supersede the manufacturer’s instructions.
Installing System Director and Avid ISIS Engine
The System Directors and storage elements are placed into a rack for easy access to the
cables, connectors, and drives. The following list provides a recommendations you should
take into account prior to rack mounting Avid ISIS equipment:
• The heaviest equipment should go at the bottom of the rack — For example, the engine.
• Lighter equipment goes towards the middle and top of the rack — For example, System
Directors, or a Keyboard, monitor, and mouse assembly (KVM), with Ethernet switches
at the top of the rack.
• If the rack is provided with stabilizing devices, install the stabilizers before mounting
the equipment in the rack.
• Avid recommends that you leave a 1U or .5U space between each piece of equipment
mounted in the racks — This allows for better airflow, cable access, and will help stop
vibration in any equipment being transferred to equipment above and below.
• Avid recommends that you leave an 8 to 12 inch space at the bottom of the rack — This
allows for better airflow and lowers the possibility of dust or dirt being picked up by the
devices.
• If you have a redundant configuration you might place equipment if different racks —
place the System Director and Failover System Director in different racks, separate the
storage elements between racks, place redundant Ethernet switches in different racks,
and have the power from each rack connected to different circuits.
• For normal operation and service, you’ll need to maintain approximately 3 feet (1
meter) of open space in front of and behind the rack. This allows free access to the
components in the rack for operating changes or adjustments and also allows for the
removal of any component that needs to be replaced.
11
Chapter 1 Site Planning Overview
n
For information on rack mounting an Avid Unity ISIS system, see the Avid Unity ISIS Setup
Guide located on the online documentation DVD.
Other Avid Products
Other Avid products might have their own site planning requirements. Refer to their
documentation for more information.
Choosing the System Location
The Avid Unity ISIS hardware is modular and consists of:
• One or more Avid Unity ISIS storage assemblies (engines)
• System Directors
• Ethernet switches
• Connections to LANs
• Ethernet clients
Avid recommends that you mount all the components in a rack and provide proper
computer-room space for the hardware.
12
You need to be aware of the following requirements whether you are providing computerroom space or other properly prepared space for your hardware:
• Locate the hardware away from high-traffic areas and potential impacts. High-traffic
areas include patch panels, experimental equipment, or equipment that needs frequent
physical reconfiguration.
• Choose a location where the hardware will be free from significant temperature or
humidity changes, or possible damage from moisture.
• Locate the hardware in a clean environment, free from smoke and dust. Do not place any
hardware over or near ventilation holes in a raised-floor computer room. Do not place
any hardware under ceiling or wall ventilation ducts or cold air returns. Dust from the
ventilation can cause problems with the hardware.
• Verify that the location you select has a sturdy, level floor, and is not subject to
vibration. The rack holding the hardware must be stable during normal operation and
service.
• Make sure the hardware has adequate space in front of and behind the rack for times
when service or reconfiguration is necessary. If the rack has a door, it must be able to
open completely to allow access to the front panels of the hardware.
• Make sure there is adequate power and the correct receptacle type for each hardware
component, the rack power strips, and the optional UPSs. Do not use extension cords to
plug in any of the hardware components. If you are using a Failover System Director
you should connect it to a different circuit than the First System Director.
• Make sure you have Ethernet connections near the Avid Unity ISIS workgroup. This
allows for connections to the network for configuration and troubleshooting, when
necessary.
• Make sure you have a telephone line near your Avid Unity ISIS workgroup to allow you
to talk with Avid Customer Support, if necessary.
Customer Responsibility
Before installing your Avid Unity ISIS workgroup hardware, you are responsible for:
• Developing a floor plan for your hardware configuration. This includes the Avid Unity
ISIS workgroup and any attached clients.
• Preparing your site to meet all the proper power, environmental, and space requirements
for the Avid Unity ISIS hardware and any attached Avid Unity ISIS clients. To obtain
site requirements for your Avid Unity ISIS clients, see the site preparation guide for
your client. Current versions of site preparation guides are available from the
Knowledge Base on the Avid Web site (www.avid.com).
Customer Responsibility
n
• Obtaining a rack for mounting Avid Unity ISIS products. You can purchase the rack
separately or through Avid.
If you choose to purchase a rack rather than use the Avid Unity ISIS rack, the rack must have
receptacles and plugs appropriate for your local power source.
• Obtaining a display for accessing the System Director through the network.
• Obtaining and running all cables between the Avid Unity ISIS hardware and any
attached clients throughout your facility.
• Running all cables related to your LAN, and providing the proper network setup and
connections.
• Installing and configuring any Ethernet routers or bridges, not supplied with the Avid
Unity ISIS workgroup, before the Avid representative begins your system installation.
• Installing appropriate Ethernet connections within the areas where Avid Unity ISIS
workgroup and workgroup clients are being installed.
13
Chapter 1 Site Planning Overview
c
Avid is not responsible for installing or troubleshooting cables that you do not purchase
from Avid. Avid also does not provide network services for your in-house network and
strongly suggests you use a local service provider to install and set up network
connections. Avid does supply networking services for any Ethernet connections
between the Avid Unity ISIS workgroup and its clients, and its Media Servers.
14
Chapter 2
System Layout Overview
The Avid Unity ISIS hardware components are fully rack-mountable. They are compatible
with the Avid Unity ISIS rack or any standard 19-inch video racks using either NEMA or
EIA mounting-hole layouts.
Hardware Overview
The following illustration shows the Avid Unity ISIS engine and the System Director.
Rear view
ISIS Integrated Switch (ISS)
Front view
Power supply
ISIS Integrated Expansion Switch (IXS)
ISIS Storage Blade (ISB)
Engine
System Director front view
Chapter 2 System Layout Overview
Clearance and Access
For normal operation and service, you’ll need approximately 3 feet (1 meter) of open space
in front and behind the rack. This allows for the removal of any component that needs to be
replaced.
Airflow
Make sure you do not obstruct the airflow around the rack with large containers, boxes,
desks, chairs, or other objects. This can cause the Avid Unity ISIS hardware in the rack to
run at an elevated temperature and possibly shorten individual component life.
When using a rack leave at least 12 inches open at the rear of the Avid Unity ISIS hardware
and 12 inches at the front of the Avid Unity ISIS hardware for proper airflow.
c
n
Avid has not qualified racks with front and/or rear doors for use with Avid Unity ISIS
and therefore can not recommend this configuration. The ISIS engine relies on
unencumbered front to rear air flow which can be compromised by obstructions
including doors.
Some optional racks are available with a fan located in the top of the rack. If you select one
of these racks, make sure the fan does not become obstructed by dirt, dust, or paper so it can
provide proper cooling for the components in the rack.
Fans located in a rack do not preclude the distance needed for open area in front and back of
the rack to allow proper airflow to the engine.
Dimensions and Weight
The following table provides the dimensions and weight of the Avid Unity ISIS hardware
and the optional rack components. Make sure the surfaces where you place the equipment
can accommodate the equipment’s size and weight.
Component Dimensions and Weight
Component Height Width Depth Weight
System Director 3.45 in (88 mm) (2U) 16.9 in (423 mm) 26.46 in (672 mm) 51 lb (23.2 kg)
Avid Unity ISIS engine 6.825 in (4U) 17.50 in (19 in with
mounting ears)
a. Fully configured with three power supplies, two PSS cards, and 16 blades
16
27.25 in 45lb (20.4 kg)
empty, 135 lb full
a
Chapter 3
Environmental Requirements
Use the information in this chapter to design and configure the space you plan to use for
your Avid Unity ISIS workgroup.
Physical Site Characteristics
The Avid ISIS hardware is designed to operate in a standard “open office” or computer-room
environment. When you select a location, you should:
• Make sure the location has a sturdy, level floor, and is not subject to vibration.
• Make sure the location is away from high-traffic areas.
• Make sure the location is clean and free from dust, smoke, or other airborne
contaminants.
• Make sure the location does not have significant temperature changes. Choose a
location where the temperature does not vary more than 18°F (7.78°C) per hour.
• Make sure the location does not have significant humidity changes. A location with
approximately 40 percent humidity can prevent problems stemming from electrostatic
discharge.
• Make sure the location has adequate space in front of and behind the rack. You must be
able to connect cables and service parts of your hardware. It also needs adequate airflow
for cooling.
Chapter 3 Environmental Requirements
The following table provides information on operating and storage temperature, and
humidity specifications for the Avid ISIS hardware components. Make sure your
environment meets the narrowest range of specifications in the table.
For example, the System Director can operate in an environment of 32°F to 122°F (0°C to
50°C), but the engine should only operate in an environment of 40°F to 95°F (5°C to 35°C).
Therefore, the temperature at your site should not drop below 40°F (0°C) or rise above 95°F
(35°C) while the engine is running.
Environmental Specifications
Operating
Component
System Director 32°F to 122°F
Engine, ISS, IXS, and
ISBs
Temperature
(0°C to 50°C)
40°F to 95°F
(5°C to 35°C)
Security Considerations
If security for the Avid ISIS hardware is important, you should address this issue during site
planning. Planning and implementing security for the hardware, before its installation,
would prevent you from disrupting the hardware and its users at a later time.
If there are several people that need access to the System Director, you might need to
arrange security clearance for all the people who use the System Director.
Operating
Humidity
10% to 80%
non-condensing
20% to 80%
non-condensing
Storage
Temperature
–40°F to 158°F
(–40°C to 70°C)
–40°F to 149°F
(–40°C to 65°C)
Storage
Humidity
5% to 95%
non-condensing
10% to 90%
non-condensing
18
Chapter 4
Electrical Requirements
You should consider installing a separately derived power system for your Avid ISIS
hardware. This ensures that you can control the hardware grounding, with all grounds
brought to a single point, and that uncontrolled equipment, such as coffee makers or floor
polishers, cannot be plugged into the same power source as the Avid ISIS hardware.
If you do not create a separately derived power system, you need to make sure the power
outlets you use are from the same distribution panel. This helps prevent the occurrence of
ground loops that can be caused by plugging equipment into power sources with different
ground potentials.
If you run more than one power line because you have more than one UPS, you must make
sure the power lines come from the same distribution panel.
w
n
You should have all the electrical work at your site done by a licensed electrician. All
the electrical changes must meet country, state, and local electrical codes.
As you choose the location for your Avid ISIS hardware, keep these electrical requirements
in mind:
• Make sure there is adequate, dedicated power for the UPSs that are part of your Avid
Unity ISIS workgroup.
Avid recommends the use of UPSs, appropriately sized for your Avid Unity ISIS workgroup,
or conditioned power in your computer room environment. This provides protection against
sudden power surges or losses that could cause you to lose files or experience data
corruption.
• Make sure your location is away from major electrical equipment such as motors, air
conditioners, or elevators.
Chapter 4 Electrical Requirements
• Make sure the location is not subject to electrostatic buildup.
• Plug only your Avid ISIS hardware into the power strips. Do not plug in coffee makers,
radios, lights, or other non-Avid devices.
The following table shows the electrical specifications for all the Avid ISIS hardware. Make
sure your site meets these specifications.
n
Component Voltage Frequency Watts (Maximum) BTUs
System Director 115 or 230 V ac 50 to 60 Hz 700 W 2400 BTU/hr.
Avid ISIS engine 100 to 240 V ac 47 to 63 Hz 1200 W
There are three load balancing power supplies in the engine. When powered up, they share
the load between all three supplies for a total of 1200W.
Electrical Specifications
a
a. Fully configured with three power supplies, two ISS cards, and 16 ISBs.
4100 BTU/hr.
Connecting Power to Equipment
The Avid Unity ISIS hardware includes three power supplies using an N+1 configuration for
redundancy. The three power supplies “load share” to allow the balanced distribution of ac
power into each Avid Unity ISIS engine. Usually, a minimum of two of the three power
supplies must be operational at one time for the engine to function properly. Each power
supply contains fans and provides a physical function having to do with airflow for the
engine. If a power supply fails, leave it in place until you have a replacement.
Avid recommends that each power supply be provisioned with at least 5 amps of current
capacity per power cord (120 Vac). This allows the system to continue running if one of the
three power supplies fails, with the two remaining load-sharing power supplies drawing
slightly less than 10 amps.
c
n
20
Power supplies should only be installed in the engines after the engines have been rack
mounted as described in the Avid Unity ISIS Setup Guide.
Engines are powered on when the power cords are inserted. Do not connect the power cords
to the engines until instructed to do so in the documented procedures. Engines are turned on
one at a time by plugging at least two power cords into two power supplies at the same time.
Plug the third power cord into the third power supply soon after the first two powers
supplies have been given ac power. The engine is ready when all lights on the front panel to
turn Green.
Three 20-Amp AC Circuits for Three Engines
When you are using three 20-amp circuits for three engines, they are configured as follows:
• Each Avid ISIS engine — Each engine has three power supplies; Each power supply is
rated at 5 amps input at 120 Vac. You can have up to one power supply from each of the
three engines on one 20-amp circuit.
Connecting Power to Equipment
n
Each System Director has up to two power supplies rated at 5.8 amps each. Each System
Director includes two power supply. Use one 20-amp circuit for each System Director.
An engine can operate on two power supplies for a period of time to allow you to protect
data. The following illustration shows an example of how the power should be connected to
protect data.
Basic Power Connection for Three ISIS Engines
Slot 3
System Director
System Director
Slot 2
Slot 1
Slot 3
Slot 2
Slot 1
BCA
Engine
BCA
Engine
20 Amp
20 Amp
BCA
Engine
20 Amp20 Amp
20 Amp
21
Chapter 4 Electrical Requirements
Three 20-Amp AC Circuits for Two Engines
When using three 20-amp circuits for the engine, they are configured as follows:
• Each Avid ISIS engine — Each engine has three power supplies; Each power supply is
rated at 5 amps input at 120 Vac. You can have up to three power supplies from two
different engines on one 20-amp circuit.
n
Each System Director has up to two power supplies rated at 5.8 amps each. Each System
Director includes two power supplies. Use one 20-amp circuit for each System Director.
An engine can operate on two power supplies for a period of time to allow you to protect
data. The following illustration shows an example of how the power should be connected to
protect data.
First Example of Power Connection for Two ISIS Engines
Slot 3
System Director
System Director
20 Amp 20 Amp 20 Amp
Slot 2
Slot 1
Slot 3
Slot 2
Slot 1
BCA
Engine
BCA
Engine
20 Amp
20 Amp
n
22
The 20-amp circuits shown for the System Directors should remain the same for both the
three and two 20-amp circuit examples.
Two 20-Amp AC Circuits for Two Engines
Connecting Power to Equipment
c
n
The following configuration is not recommended by Avid, but some locations might
need to connect in this manner.
When using two 20-amp circuits for the engine, they are configured as follows:
• Each Avid ISIS engine — Each engine has three power supplies; Each power supply is
rated at 5 amps input at 120 Vac. You can have up to three power supplies from two
different engines on one 20-amp circuit.c
Each System Director has up to two power supplies rated at 5.8 amps each. Each System
Director includes two power supply. Use one 20-amp circuit for each System Director.
An engine can operate on two power supplies for a period of time to allow you to protect
data. The following illustration shows an example of how the power should be connected to
protect data.
Second Example of Power Connection for Two ISIS Engines
System Director
System Director
Slot 3
Slot 2
Slot 1
Slot 3
Slot 2
Slot 1
BCA
20 Amp
20 Amp
n
Engine
BCA
Engine
20 Amp 20 Amp
The 20-amp circuits shown for the System Directors should remain the same for both the
three and two 20-amp circuit examples.
23
Chapter 4 Electrical Requirements
Power Cords
Select the power cords for the Avid ISIS hardware according to the country destination; it
must comply with local safety requirements.
Use the following guidelines to replace the original cord set:
• CEE-22 requirements: The female receptacle of the cord set must comply with
CEE-22 requirements.
Receptacle (CEE-22)
• United States and Canada requirements: In the United States and Canada, the male
plug is a NEMA 5-15P style and is UL listed and CSA certified. The following figure
shows the receptacle. SVT cordage can be used with desktop, countertop, or rackmounted units; all other equipment requires SJT cordage. Only SJT-type cord sets can
be used for units that sit on the floor.
Select the cord set according to the current rating of your unit. See the following table
for the selection criteria for power cords in the United States and Canada.
24
NEMA 5-15P Style Plug
• European countries requirements: In Europe, use only an H05VV-F, <HAR>, VDE,
2
PVC, 3 x 1.00 mm
des Typs H05VV-F, <HAR>, PVC, Größe, 3 x 1.00 mm
power cord. Für den Gebrauch in Deutschland muß ein Netzkabel
2
verwendet werden.
Power Cord Requirements
Size of Conductors in Cord Maximum Current Rating of Unit
Cord Type U.S./Canada Europe U.S./Canada Europe
SJT 16 AWG 3 x 1.00 mm
SVT 18 AWG NA
SVT 17 AWG NA 12 A NA
a. NA – Not applicable.
a
2
12 A 10 A
10 A NA
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Index
A
Access
to system
Adequate power
Avid Unity2 ISIS
power cord specifications
11, 16
19
24
B
Boards, space for changing 11, 16
C
Cable
9
CX-4
9
length
optical (XFP)
Cable micron
Cables
Category 5 or 6
space for connecting
supported
Canadian power cord requirements
Category 5 or 6 cables
CEE-22 receptacle
Choosing a location
10
Cisco
Clearance
Components
sizes of
space for changing
weights of
Connecting
cables
Customer networking responsibilities
CX-4 cable
9
9
9
11, 16, 17
9
24
9
24
18
11, 16
16
11, 16
16
11, 16, 17
9
13
D
Dimensions 16
E
Electrical requirements 19
Environmental requirements
European power cord requirements
17, 18
24
F
Foundry 10
I
Internal drives, space for changing 11, 16
ISB (ISIS Storage Blade)
described
ISS (ISIS Integrated Switch)
described
IXS (ISIS Expansion Switch)
described
8
8
8
L
Length, cable 9
M
Maximum length 9
Micron cable
9
N
Narrowest range of specifications, choosing 18
Index A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
NEMA 5-15P plug 24
Networking, customer responsibility
13
O
Optical (XFP) cable 9
P
Power cords
receptacles
requirements
specifications
Product descriptions
24
24
24
8
S
Servicing, space for 16
Site environment
Supported cables
17
9
T
Transceivers 10
U
U.S. power cord requirements 24
Uninterruptible power supply
19
W
Weight specifications 16
26
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