Grass Valley NV920 User Manual
QuickStart Guide
NV920 Control System
and Accessories
Product Summary
Your shipment from Grass Valley contains an NV920 frame
containing one or two NV920 system controllers and power
supplies, power cords, and this Quick Start guide. Depending
on your order options, the shipment might also include
cables and peripheral devices. See Figure 1.
An NV920 system controller allows you to configure and
operate routers, control panels, and other connected equipment. A complete NV920 control system includes several
parts that work together:
• NV920 system controller(s).
• NV9000-SE Utilities configuration software.
• PCs running configuration or control software.
• Routers.
• Control panels (physical or virtual).
• Optionally, master control components.
• Optionally, automation, UMD, monitor walls, and other
subsystems.
Control Systems
The NV920 is a member of Grass Valley’s NV9000 family of
system controllers. In order of price and performance, the
series includes these control systems:
• NV960
Each NV960 system controller is 2RU, has 2 disk drives,
and 3 PCI expansion slots. Two of the expansion slots typically provide Ethernet connections. The remaining expansion slot can be used for other purposes such as
connecting serial devices.
Several models of the NV960 are available.
• NV920
Each NV920 is 1RU and houses two system controllers.
Each system controller has 2 disk drives, 3 Ethernet ports,
and no expansion slots. However each NV920 does have
an RS-485 port that supports one serial device.
Several models of the NV920 are available. as listed on this
page.
• NV915
Each NV915 system controller is 1RU, has one disk drive, 2
Ethernet ports, and no expansion ports. One of the Ethernet port is available to support routers and control panels.
(Older NV915s had compact flash and no disk drive.)
The NV960, NV920, and the NV915 run the same software.
The NV920 is priced between the NV960 and the NV915.
A system controller is a device that (1) receives commands
from control panel operators or from third-party systems, (2)
Figure 1. Package Contents
NV920
Power cords
Software and
Documentation CD
QuickStart Guide
(this document)
dispatches instructions to routers, and (3) returns status
information to the control panels or to automation.
The NV920 product line includes these items:
• NV920D. NV920 frame with dual controllers.
• NV920S. NV920 frame with a single controller.
• NV920-PRI. A primary NV920 system controller.
• NV920-SEC. A secondary NV920 system controller.
• NV920-FME. An NV920 frame only.
• NV920-FRU. A “field replacement unit,” that is, a spare
system controller.
The NV920
The NV920 frame is a 1RU frame which contains a power supply having two removable power supply modules, and one or
two removable NV920 system controllers. See Figure 2.
One controller is labeled ‘Primary’ and the other ‘Secondary’.
These terms distinguish one from the other, but otherwise
have no specific meaning.
The NV920 frame has two power supply modules for redundancy. In normal operation, both supplies operate in tandem, sharing the load. If one power supply module fails, the
other immediately absorbs the full load.
If the NV920 frame has two system controllers, it is for redundancy. One of the system controllers is active; the other is
stand-by. If the active system controller fails, the stand-by
system controller takes over.
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Figure 2. NV920
Front View
Power LEDs
NV920 Control System
Primary System Controller Secondary System Controller
Rear View
Connectors for Secondary System Controller Connectors for Primary System Controller
The power supplies are removable (replaceable) from the rear
of the frame. The system controllers are removable (replaceable) from the front of the frame.
If you have an NV920S (single controller) the empty secondary bay will have a blank front plate.
The System Controller
At the rear of the NV920 frame are two identical sets of connectors, one for each system controller. See Figure 3.
Among these are 3 Ethernet (RJ-45) connectors. Two support
1G Ethernet. The third supports 100M Ethernet. The Ethernet ports are otherwise identical. At least one must be used
for a panel and router network. One must be connected to
your “house network” for configuration and monitoring.
Two USB ports and a VGA port allow you to connect a keyboard, mouse, and monitor to the system controller. (The system controller runs Windows XP embedded, so you can
Figure 3. System Controller
Latch
COM2 VGA
Handle
Rear (Panel) View
USB
Front View
LEDs Buttons
Power Failure Alarm Mute Button
PS 2 PS 1
perform diagnostic and maintenance tasks using XP’s normal
Windows desktop.) You can also use the USB ports to update
the system controller’s software.
The “EIA-485” connector (DE9) supports the control of one
serial device. The port’s pinout is the same as that of a Moxa
CP-118U. You can use a WC0137 “Y” cable to connect the two
system controllers of an NV920 to the device you are controlling. The “Y” cable forms a redundant connection.
There are Tx and Rx status LEDs for the serial port that illuminate when the port is transmitting and receiving, respectively. (Internally, the port is COM2. This designation might
be important, for example, when you are using NV9000-SE
Utilities to configure routers that have serial connections.)
There are also cooling fans at the rear of each system controller. The rear of the NV920 frame has grill openings that vent
the exhaust from the fans.
Each system controller is removable. At the left side at the
front of the system controller is a latch. Turn the latch a quarter turn to lock the system controller in place. Turn the latch
in the other direction to remove the system controller.
Use the handle of the system controller to pull it out of its bay
(or to carry it).
The large button (backlit, white) at the right is labeled “Power
Down to Remove.” It is important to power the system controller off before removing it. When the system controller is
powered up, the 2 green LEDs (labeled +5V and +12V), the 3
status LEDs, and the 2 white buttons illuminate. When the
system controller’s software finishes initializing, the alarm
LED goes out.
There are 3 status LEDs in the middle of the front of the system controller:
• Healthy. This LED is green (on) when the system control-
ler is running properly. If the NV920 frame has two system
controllers, the health LED is normally on for both.
• Active. This LED is amber (yellow) when the system con-
troller is the active controller. When the NV920 frame has
2 Product Number: QG0014-03 Revision: A0; Date: 11/26/14
NV920 Control System
two system controllers, the LED is on only for the one controller that is active.
• Alarm. This LED is normally off, but turns red when an
alarm condition is present in the controller. It is possible
for each controller in a dual-controller frame to show an
alarm.
The ‘Force Active’ button (backlit, white) allows you to cause
the stand-by system controller (in a dual-controller frame) to
become the active controller. When the controller becomes
active, its active LED turns on and the active LED of the other
controller turns off.
Power Supplies
Both of the frame’s power supply modules accept from 100 to
240 VAC, 47–63 Hz, automatically sensing the line voltage
and frequency.
The NV920 frame has two power LEDs. One LED, labeled
‘Power’ at the front of the frame, indicates the presence of
power. The other power LED (‘PS Alarm’) is off under normal
circumstances, but turns red and blinks when one of the
power supplies is missing or faulty.
When one of the power supplies is removed (or fails), the
frame emits an audible alarm (a continuous tone). The frame
has a red button (at the rear) near the power supplies that
turns off the alarm.
This QuickStart Guide
The purpose of this document is to guide you through the
physical installation of the NV920 frame, the installation of
configuration software, and the initial setup of the software
so that you can build configurations and read from and write
to your system controller(s).
NV9000-SE Utilities is the primary tool for configuration.
NV9000-SE Utilities
NV9000-SE Utilities is software that is required for the configuration and management of the NV920 control system. It is
available on the SB0033 CD in this shipment.
After you have obtained NV9000-SE Utilities, you can install
it on any PC.
Control Panels
Control panels allow operators to setup and execute “takes”
(routes) between source devices and destination devices.
Physical control panels are separate hardware units that connect to the system controller. Virtual control panels are software applications that emulate physical control panels and
run on any PC (or Mac) connected, through Ethernet, to the
system controller.
For more information on control panels, obtain the appropriate control panel user’s guide from the Grass Valley website.
Contact Grass Valley customer service for assistance.
Master Control
Master Control is a name given to an optional subsystem that
allows operators to transition program output from one
source to another with real-time effects such as cross-fades,
keyer and logo overlays, squeezeback, and audio overs.
For more information, either visit the Grass Valley website or
contact Grass Valley customer service.
System Controller Redundancy
A redundant system includes 2 system controllers. If one system controller fails, the control system immediately switches
to the other controller.
The two system controllers of a dual-controller NV920 communicate with each other through an internal Ethernet link.
The stand-by system controller queries the active system controller frequently through the internal link. If the query and
response mechanism fails, the stand-by controller presumes
that the active controller is no longer functioning properly
and takes over the role of active controller.
Installation
Setting up the NV920 system controller requires several steps:
Part 1 Mount the NV920 in a rack, insert its power sup-
plies, system controllers, and connect power.
Part 2 Make physical network and I/O connections.
Part 3 Install NV9000-SE Utilities software on your config-
uration PC(s).
Part 4 Perform initial setup in NV9000-SE Utilities.
Networks require an Ethernet switch and CAT5 Ethernet
cable. (Grass Valley’s EC9415
suitable.)
Part 1: Mount the Controller and Connect Power
The 1RU NV920 frame fits in a standard 19″ (482.6 mm) rack.
When placing the NV920 frame in your facility, keep in mind
that the NV920 needs a minimum of 6″ (15
stricted air flow at the front and rear for cooling and needs an
adequate amount of space at the sides for air intake.
The NV920 frame (with power supplies and system controllers installed) extends 19.9″ toward the rear of the rack and
projects about 1.2″ in front of the rack.
The removable power supply modules are about 10.5″ deep.
So you will need about 12″ clearance at the rear to remove and
insert power supply modules.
The NV920 frame is heavy and requires mounting hardware
at the rear of the frame. See Figure 4.
— a 24-port Ethernet switch — is
cm) of unre-
Product Number: QG0014-03 Revision: A0; Date: 11/26/14 3
Follow these steps to mount the NV920:
NVNET 1
NVNET 2
House Net
NV9000
GUIs
NVNET 2
Tally
Config.
PCs,
GUIs
NV Router
NV920
Controller 1
Tally
Router
NVNET 1
Router
Prim. Ctrl.
Sec. Ctrl.
Panel
Panel
Tally
Tally
Router
RouterPanel
Panel
NVNET 3
NVNET 3
NV920
Controller 2
Panel
and
Router
Networks
1) Locate the mounting hardware attached to the side of the
NV920 frame. There are two metal parts for each side of
the frame. Unscrew the metal parts from the frame.
2) Referring to Figure 4, attach the two small parts (with the
slot) to the posts at the rear of the frame at the height at
which you will install the frame.
3) Reattach the two long parts to the frame so that they will
extend into the slots of the small parts at the rear of the
frame. Again, refer to Figure 4.
4) Now move the frame into position, with its support extensions sliding into the slots of the supports at the rear of the
frame.
Attach the front of the frame to the front posts of the
frame using appropriately sized screws.
5) Insert power supply module(s) and system controller(s).
6) Use the supplied power cords to connect power. The controller’s power supplies accept 100–240VAC, 47–63 Hz).
UL caution: to reduce the risk of electric shock, plug each power
supply cord into separate branch circuits employing separate
service grounds. Redundant power connections, of course, provides additional protection against failure.
If the NV920 frame emits an alarm tone, press the red button
next to the power supplies at the rear of the frame.
Caution: If you disconnect power without first shutting down
the system controllers, you risk corrupting system data. Before
disconnecting power, press the ‘Power Down to Remove’ button
of each system controller of the frame. Wait for the system controllers’ LEDs to turn off. Then disconnect power.
Part 2: Make Connections to the System Controller
The additional units that compose the NV9000 control system
— PCs, control panels, routers — communicate through
the active system controller. The system controller uses
Ethernet to communicate
NV920 Control System
Figure 4. Frame Support
(front of unit)
Attach to rear
rack posts.
with system components.
Each of the NV920’s ports has a unique IP address, fixed internally. The IP addresses depend on whether the system controller is stand-alone or redundant:
Port
NVNET1 192.168.1.1 192.168.1.1 192.168.1.2
NVNET2 192.168.2.1 192.168.2.1 192.168.2.2
NVNET3 192.168.3.1 192.168.3.1 192.168.3.2
You may change any of these addresses to match your facility’s
networks.
Single
Controller
Example: Two Networks for Panels and Routers
Figure 5, below, diagrams a redundant system that uses two
Ethernet ports for panels and routers and the third port for
configuration and monitoring. (If your system has a single
system controller, please disregard controller 2 in the diagram and any connections to it.)
Redundant
Controller 1
Redundant
Controller 2
Figure 5. Connections for a Redundant NV920 — Two Panel and Router Networks
4 Product Number: QG0014-03 Revision: A0; Date: 11/26/14
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