Wegener Communications 6420 User Manual
iPump 6420
Professional Audio Server
iPump 6420
Professional Audio Server
User’s Manual
800070-01 Rev. B
iPump 6420 User’s Manual
Data, drawings, and other material contained herein are proprietary to Wegener
Communications, Inc., and may not be reproduced or duplicated in any form without
the prior written permission of Wegener Communications, Inc.
The information contained herein is subject to change without notice. Revisions may be
issued to advise of such changes and/or additions.
WEGENER, COMPEL CONTROL, MEDIAPLAN, ENVOY, UNITY, UNITY·IP,
and iPUMP are trademarks of Wegener Communications, Inc. All other trademarks
are the property of their respective owners.
2009 Wegener Communications, Inc. All rights reserved.
Correspondence regarding this publication,
800070-01 Rev. B
Second Edition: July 2009
should be forwarded to:
Wegener Communications, Inc.
Technology Park/Johns Creek
11350 Technology Circle
Duluth, GA 30097-1502
Phone: 770-814-4000
Fax: 770-623-0698
The WEGENER iPump 6420 is approved under FCC Part 15B Class A, UL1950, CSA,
and CE.
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iPump 6420 User’s Manual
TABLE OF CONTENTS
Chapter 1: GENERAL INFORMATION………………………...1
Chapter 2: INSTALLATION……………………………….......23
Chapter 3: OPERATION.……………………………………....37
Chapter 4: MAINTENANCE AND TROUBLESHOOTING..101
Chapter 5: CUSTOMER SERVICE…………………………..107
Appendix 1: TERMINAL COMMANDS……………………..109
Appendix 2: SNMP MIBS...…………………………………..113
Appendix 3: FAULT CONDITIONS..………………………..129
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iPump 6420 User’s Manual
Chapter 1: GENERAL INFORMATION
This chapter gives a general overview of this Manual and of the iPump 6420.
Table of Contents
1.1. Manual Overview...................................................................................................... 2
1.2. iPump 6420 Overview............................................................................................... 3
1.2.1. Basic Store/Forward Mission.............................................................................. 3
Figure 1-1: Store/Forward System overview ........................................................................................5
1.2.2. .................................................................................................................................... 5
Figure 1-2: Using Playlists as indirection ............................................................................................6
1.2.3. Supplemental capabilities ................................................................................... 7
1.2.4. Premium Features ............................................................................................... 8
Automation Mode............................................................................................................ 8
ShowShifting ................................................................................................................... 8
TimeZone Delay .............................................................................................................. 9
MP3 Codec ...................................................................................................................... 9
1.3. Functional Description ............................................................................................. 9
Figure 1-3: iPump6420 Functional Block Diagram..........................................................................12
1.4. iPump 6420 Specifications...................................................................................... 13
1.5. Safety Summary...................................................................................................... 19
1.6. Glossary of Terms and Abbreviations .................................................................. 20
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1.1. Manual Overview
This manual provides instructions and reference information for the proper installation and
operation of the
the manual as the iPump 6420.
This manual is divided into these chapters:
Chapter 1 General Information –an overview of the iPump 6420 missions, its functions and
specifications, and a glossary of terms.
Chapter 2 Installation – instructions for initial installation and setup of the iPump 6420.
Chapter 3 Operation-detailed discussion of iPump 6420 operation.
Chapter 4 Maintenance and Troubleshooting - information on maintaining the
iPump 6420 and resolving possible operating difficulties.
Chapter 5 Customer Service - our warranty and information on obtaining help.
Index - list of keywords to help you quickly locate information.
Please e-mail any suggestions or comments concerning this manual to
manuals@wegener.com. If you prefer to post through the mail, please send your comments
to the address below. If you have substantial or complex changes to recommend, our
preference is that you copy the page(s) in question, mark your changes on that copy, and
fax or mail us the copy. We always appreciate constructive criticism.
Our Address:
Attn: Manuals
Wegener Communications, Inc.
Technology Park / Johns Creek
11350 Technology Circle
Duluth, GA 30097-1502
Our fax number:(770) 497-0411
WEGENER iPump 6420 Professional Audio Server, referred to throughout
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iPump 6420 User’s Manual
1.2. iPump 6420 Overview
The WEGENER iPump 6420 is an integrated, digital satellite receiver, decoder, and audio
server designed to provide the most cost effective method of delivering and storing content for
radio network operations. In tandem with WEGENER Compel/MediaPlan, the iPump 6420 is a
key part of the WEGENER Digital Media Delivery System, which combines secure MPEG and
IP digital transmission with media management and server storage, to provide the most modern
Store/Forward solution now possible in the radio network market.
1.2.1. Basic Store/Forward Mission
A technological goal in current satellite-based radio network design is to concentrate more
control at a central management point, while retaining and expanding the “local” feel.
WEGENER is a leader in moving its radio network customers toward this goal.
A “linear” satellite network is one where all media content, aggregated at the central uplink,
is instantaneously delivered at the edge receivers. To deliver a greater variety of content, more
channels, using more bandwidth, was needed. Localization, the origination of unique material
from each of many local affiliates, was only possible with some cooperation between the central
managing authority and the local operators. The central network could deliver closure or DTMF
pulses in the satellite control or media streams, signaling “avails” to the local affiliates. At those
avail points, the local affiliates could use their own ad insertion equipment to switch in local
programming with minimal conflict.
The WEGENER Store/Forward (S/F) solution for satellite-based radio networks provides
localization by borrowing and storing bandwidth ahead of its use. Media content is delivered in
spare bandwidth, not needed for the linear network “mission”, to the edge receivers. This
content may be unique for each of the edge receivers, where it is stored for later and repeated
use. Then, using the indirection of “playlists”, the central control system can signal for the local
content to be inserted in the programming stream at the proper “avail” points.
WEGENER’s S/F solution for radio networks uses the WEGENER COMPEL/MediaPlan
control system in tandem with WEGENER iPump6420 Audio Servers. This equipment, along
with other components, is shown in a typical radio network application in Figure 1-1. This
figure shows the three key components of the application: 1) The real-time linear media
streaming sub-system, 2) the non-real-time portion of the S/F sub-system, and 3) the real-time
portion of the S/F sub-system. Each of these may now be introduced.
The real-time linear media streaming sub-system accepts the aggregated audio feeds from
the customer traffic systems and compresses them in an array of MPEG audio encoders. These
are then multiplexed together into an MPEG Transport stream. That Transport is then passed
through the WEGENER UMX5010, where the network (Compel) control stream is injected. The
resulting Transport is fed to the RF system where the information is impressed on a DVB carrier,
and then uplinked to the satellite. From there it is distributed to the satellite downlinks and
thence to the edge iPump6420s, who are tuned to the proper carrier, Program, and audio stream,
to deliver the desired live audio feed. The Compel network control system can support this
portion of the overall mission by tuning the edge receivers (which may be i6420s, or other linear
receivers, such as WEGENER Unity4600), setting their audio stream assignments, sending the
RBDS data traffic, ordering local relay closures, and supporting the logical grouping of the edge
receivers.
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The non-real-time portion of the S/F sub-system accepts a schedule file, on a regular basis,
for each supported affiliate site. This schedule will define local spots, as files, to be played in
each available segment of the day. These segments are defined by the radio network
management as those portions of each hour where specific spots will be eligible for play at the
remote receiving i6420 sites. And for each segment of each hour of each day, a playlist name is
defined. For each affiliate, that playlist may define a different file, or no file at all. The Compel
network control system then orders the building of those playlists on the affiliate i6420s. In
addition, the referenced files are also ordered for downloading. The file will be pulled (or
pushed) from a file server in the customer traffic system, and then broadcast by UDP to a
“satellite” IP address. The emitted UDP messages are encapsulated by MPE protocol, creating a
Transport stream which is re-multiplexed with the main Transport and sent over the satellite to
the receiving i6420s. The Compel control stream bears control commands that instruct which
i6420s, or which groups of i6420s, will receive each file. While setting up the affiliate i6420s,
the Compel system also sets up it’s internal scheduling mechanism to re-assign known incoming
customer closures, for the supported networks, each to a new playlist-execution command on
each segment’s time boundary. This sets up the real-time portion of the S/F system.
In real-time, Figure 1-2 represents a method by which the S/F system creates localization
under central control. On a PIO input assigned for spots on a specific supported networks, the
Compel system receives a closure from the customer’s traffic system. The customer’s traffic
system sends this closure to coincide with the start of a network-wide spot, the default play for
any “linear” edge receiver. At the time that closure is received by Compel, it causes a playlistexecution command to be emitted to the entire network of i6420s. The name of the playlist has
been assigned by the Compel scheduler for that network, day, hour, and segment. The remote
affiliate iPumps either have that playlist defined or not. If not, they continue decoding the live
network feed, playing out the “network” spot. If they do have that playlist defined, those i6420s
each mute the live network feed, and instead, insert the audio for the referenced file, a local spot.
As the spot concludes, the live network feed unmutes and resumes on the i6420 audio output.
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1.2.2.
P. 5 of 6
iPump 6420 User’s Manual
Figure 1-1: Store/Forward System overview
(typical)
Local affiliate
radio stations
FM carrier
Local AM or
Audio
outputs
(1 or 2x)
RBDS
outputs
(1 or 2x)
delivered
(1 or 2 banks)
Relay closures
closures
accepted
PIO (triggering)
RF
input
receive sites
One of many
Wegener
iPump6420
modem
Analog phone
WAN (direct) or
LAN (behind firewall)
Rev
7/15/2009 12:03 PM
Thru web access (alternately):
- Pull stored audio programming
- Pull stored spots
- Pull playlists
- Pull network (COMPEL)
commands scheduling file plays
Internet
Thru satellite link:
- Streaming live audio programming
- Broadcasted file transfers
- Network (COMPEL) cmds to create
playlists, assign groups, set channels, etc.
- Network cmds to insert local files within live
audio program
By HTTP over IP link:
- Return Status Reports
- Return File-play as-run reports
- Return file inventory reports
- Return NACKs for missing files
- Return Off-air (AM/FM) recorded files
Tx antenna Rx antenna
Transport
RF subsystem:
Final Mux
Modulator & Upcon verter
Wegener UMX5010
Mux
Transport
stream
Serial cntl
MPE/IP
over UDP
Return Path
over HTTP
and/or ...
Ethernet LAN
Wegener
COMPEL/MediaPlan
Uplink control system
system
PSTN phone
Modem server
N relay
or TCP triggers
Uplink site
Mux
subsystem
MPEG Audio
MPE/IP Encapsulator
FTP
}
Figure 1: Overview, Store/Forward Radio Networks featuring iPump6420
Schedules & media files
server
Customer file
Customer
to trigger
closures,
localization
systems
Automation
}
sources
live audio
Customer’s
Customer Traffic &
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Figure 1-2: Using Playlists as indirection
13:0613:05 13:07 13:08 13:09 13:10
Song 26A Song 27A
Closure from customer
traffic system
Song 26A Song 27A
@ Affiliate 282:
Playlist CR-100305-13-1 = File 4502.mp2
Song 26A Song 27A
Network
spot
Fires Network (COMPEL) cmd to
execute Playlist “CR-100305-13-1”,
where ‘CR’ is “Classic Rock” network
File
4502.mp2
File
3a08.mp2
At uplink, the request
to execute a Playlist,
{
{
{
by name
On each local
affiliate, if that
Playlist exists,
it references a
different local file
On each local
affiliate, if that
Playlist exists,
it references a
different local file
Playlist CR-100305-13-1 = File 4502.mp2
Playlist CR-100305-13-1 = Not defined
@ Affiliate 085:
Song 26A Song 27A
@ Affiliate 661:
Network
spot
On each local
affiliate, if that
Playlist does not
{
exist, then the default
network spot is heard
Figure 1-2: Using “Playlists” as indirection, for local inserts
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1.2.3. Supplemental capabilities
Along with the above basic S/F system functions, certain supplemental capabilities are
beneficial to the radio network mission. As shown in Figure 1, Return Path provides a general
tool to request and receive low-bandwidth status and logging information from edge i6420s back
to the uplink control system. Return Path is implemented with HTTP protocol, allowing the
i6420s to communicate with the uplink control system with through either dial-up connections (if
modem equipped) or with broadband IP connection. Because HTTP is used, most i6420s should
have little problems with corporate firewalls at affiliates sites. With the Return Path tool, several
other functions are possible.
The function that assures that the satellite-bandwidth-intensive process of MPE/IP file
download is working efficiently is called “Asset Healing”. In this function, the uplink control
system maintains a database showing what each Compel address (either individual i6420s or
groups of such) should have in it’s own file repository. Xml files showing the expected list is
then sent to that i6420 or group of i6420s. The i6420s, in turn, delete local files no longer
required and request, through Return Path, any files that are still missing. The uplink control
system then re-orders the missing files, maintaining synchronism between the files as captured in
the Compel/MediaPlan subsystem, and the files resident on each edge i6420.
Two functions allow the customer to audit the radio networks to ensure that the local spots
have properly played, for audit and billing purposes. Through Return Path, the Compel control
system requests returned reports showing spot “as-run” logs for the edge i6420s. From this
information, specific reports may be prepared for the customer comparing the original scheduled
spot-play requests against the returned logs. Additionally, iPump6420 features an two on-board
AM/FM tuners. These can be used to provide true Off-Air Reporting (OAR). When the uplink
control system requests the play of local spots, it can also request simultaneous recording of
audio demodulated from the local AM or FM radio broadcast. Presumably, this recording will
show evidence of the local airing of the requested spot. The i6420 then compresses the recorded
material, and when requested by the uplink control system, returns those OAR audit files to
through Return Path.
To enhance the true “local experience”, WEGENER S/F systems also implement a feature
called “DJ Liners”. With this feature, all local affiliates in a radio network share a single on-duty
DJ, and that DJ’s liner “greetings” are customized for each and every affiliate. This is done by
having the control system maintain a database of all DJs assigned and their on-duty hours. The
DJ prepares liner greetings for all the member affiliates in the particular network. These files are
then downloaded to special Liner Assets, one at each affiliate, but all “aliased” to the network’s
name. When the DJ on-duty wishes to send a liner greeting, of a certain length in seconds, to all
the affiliates, he pushes a button that creates an incoming closure to the Compel control system.
This causes a request to be sent out to all affiliate i6420s to play one of the liner files of that
length, under that “aliased” network name, chosen as a semi-random “shuffle” from all files
available. This generates a local DJ liner greeting to be generated at each affiliate, often with
mixing where the live network feed continues, but at a “ducked” audio level. The result is the
perception, in the final radio audience, that the DJ works their affiliate alone (e.g. “This is Ron
Baylor here on your Rock Classics station, WKLS Atlanta!!”).
In addition to the above special functions, the system may allow certain i6420s to operate
more autonomously. Instead of receiving its network control command through the satellite
channel, it may also be setup to receive it’s commands by doing HTTP polls of the uplink control
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system. This is called “Compel-over-Internet”. Along with this capability, the i6420 may also
poll for and then pull in it’s local spot files over the same internet connections. This is called
“Internet File Delivery”. This allows the i6420 to easily implement a premium radio network
feature called “Automation Mode”, to be discussed.
Compel commands, either directly addressed, or addressed as groups, or “indirectly
addressed” based on current unit settings, are one method of controlling iPump6420 Audio
Servers. Because of timing-delay functions built into Compel, the network operator can
accurately overlay network “avails” with local spots. In addition to real-time Compel
commands, the network operator can exploit the network-wide time synchronization of all
Wegener edge receivers when being fed from a single Compel control system. Just as events
may be scheduled in the Compel control system, those same schedules may also be loaded to the
remote field iPump6420s. These schedules can create a model for iPump 6420 automatic
behavior, guaranteeing that critical commands are executed on target i6420s precisely at
expected times.
1.2.4. Premium Features
Automation Mode
In Automation Mode, the i6420 is totally removed from the need for a satellite downlink
connection. In this mode, the i6420 functions as a “radio station in a box”. All its content, from
local spots to the music or talk-format material, is downloaded to the unit as audio files. Daily
schedule files, which give traffic-system instructions to the unit, are regularly downloaded to the
unit. The unit is directed to an NTP time source through its LAN IP connection. With the time
reference and the traffic schedule, the unit then autonomously plays it’s files, delivers closures
and sends RBDS messages to the local radio network affiliate.
ShowShifting
Many syndicated radio shows originate at a specific time in the broadcast day. For a radionetwork to resell that show, it often has to record the original feed and then re-broadcast over
satellite later at times convenient for the subscribing affiliates. This is a waste of satellite
bandwidth when the iPump6420’s ShowShifting feature is purchased and made available. This
feature allows the central radio network manager, or a local user, to schedule local recording of
the original show episodes, then subsequent planned playback times. These recordings are,
unlike a “Tivo”, include more than the streamed audio feed, but also include a capture of the
timestamped track of associated Compel commands that went out with the original program
episode: Commands for local spot plays, RBDS messages, and for local relay closure outputs.
This whole effort is done so seamlessly that, at playback, the local affiliate cannot distinguish
between the original show episode broadcast and the ShowShifted episode playback.
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TimeZone Delay
Most radio networks span several time zones. Because of this, to keep the same scheduled
“feel” at all affiliates through all those time zones, they, once again must do their own recording
and re-broadcasts, using extra satellite bandwidth. The iPump6420 TimeZone Delay (TZD)
feature allows the central radio network manager to avoid these complexities. Using TZD, the
radio network manager can broadcast one feed over the satellite, with all the correct localization.
At those sites in “later” time zones, the i6420, implementing TZD, will hold the entire
compressed audio feed, along with all associated Compel commands (like ShowShifting) in a
rolling recorded buffer. At the precise buffer depth corresponding to the hour difference in time,
the original feed is heard, sounding and feeling the same as the live feed in the most eastern
zone.
MP3 Codec
In addition to the standard wave (PCM only), mp2, and mpg files, iPump6420 may also
support the popular mp3 (MPEG1 L3) files. This is convenient for the extra flexibility in file
types for the local spots. And it is also required in order to make use of OAR, since files must be
compressed as mp3.
1.3. Functional Description
This section is to describe the functional theory of operation of the iPump 6420. The iPump
6420 is basically a Linux-based x86 computer with advanced peripheral devices. How this
hardware works together to fulfill the i6420’s missions is shown in Figure 1-3.
The RF input from the satellite antenna LNB is brought in to a DVB receiver subsystem.
This stage takes the incoming L-band carrier, demodulates the carrier to FEC-encoded data, then
decodes and de-interleaves the FEC data into the original MPEG Transport stream. This stage
also provides the main Local Controller function with key status information, including carrier
lock, error’d-second data quality, and RF signal level.
After this, the Transport stream is brought in as a serial byte-stream to the Linux-based
application software that runs the iPump 6420. There, a software Transport demultiplexer
recovers the PSI tables, the COMPEL command packets, MPE/IP data streams, and the desired
live audio PES streams. The PSI tables are used to determine the locations of audio streams,
finding their Packet IDs (PIDs) from the user-designated Program number and Audio Language
Descriptor (LD). The COMPEL packets are parsed to find addressed commands for execution.
The MPE/IP data streams are captured and recorded to the HDD storage, as commanded. The
desired audio PES streams are identified by their PID, and then fed to software-based MPEG
decoders (not to be confused with the unit’s audio outputs).
The “Local Controller” shown in the Figure is, functionally, the application software
running on the Linux-based x86 processor. The Linux OS and this software boots from a
Compact Flash card installed to all iPump 6420s. (This way, in the event of HDD failure, the
unit can still continue operation as a traditional IRD.) All the functional blocks not associated
with specific hardware are executed, in real-time, in this software system.
As stated, the Compact Flash is the booting device, from which first Linux, then the
operating application will boot. The writes to the Compact Flash are limited to downloads of
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new versions of application software, and the maintenance of the basic non-volatile unit
parametric settings.
The Hard-drive (HDD) storage is provided to store all the media and objects needed for the
full Store/Forward mission. From the satellite, media file content, transmitted in the MPE/IP
encapsulation, is extracted and the file then stored to the HDD. The database which captures the
location, playability, and lengths, of all audio files is also resident on that HDD. Later, on
command, those same audio files must be read from the HDD and passed to audio decoders for
mixing into the output audio track. When playlists of audio files are built, the results are stored
to the HDD. As new events are added, and old ones executed or deleted, the internal scheduler
database on the HDD is read and written. As new OAR recordings are captured, the new
compressed mp3 files are stored to the HDD. As the unit performs its basic functions, depending
on its Log Level, various status data is logged to the HDD.
To provide the ability to seamlessly splice or overlap audio sources, the iPump6420 supports
up to three instances of software-based audio decompression per audio Output. These software
decoder stages may actually decompress live classical MPEG audio, or they may operate on
wave (16b PCM), mp2, or (optionally) mp3 audio files. Their outputs feed an audio re-sampling
stage, which translates their sample rates to the final user-set sample rate for that audio Output.
Then the audios are muted or attenuated, as required, and fed to an audio mixer. The mixer
output then feeds the final digital and analog audio outputs. Note that the entire structure shown
is duplicated for both the two main audio outputs, as well as the “Aux” audio #3, though only
one example is shown in the Figure.
As companions to each of the two main audio outputs, a bank of 16 cue relays and an RBDS
serial output is associated with each. These are logically grouped together as a “Port”, for
purposes of control and advanced operations. The cue relays are used to provide the
synchronizing signals to local station equipment. The RBDS serial output, along with the main
audio output, may feed the local radio station exciter. This provides the local station listeners
with the added experience of station, song, and artist identification.
In addition to the main audio, cue relays, and RBDS, each “Port” may also be provided an
associated (optional) AM/FM tuner. This tuner is connected to an external radio antenna and is
used to pick up the local radio station driven by that Port of the iPump 6420. Under network
COMPEL control, the audio feed from the local station is captured, compressed to mp3 file
format, and then recorded to the HDD storage. This “Off Air Recording” (OAR) feature is
expected to be executed during spot file insertions, so that the uplink control may request return
of the recorded file (method to be discussed) for commercial audits.
Moving on in Figure TBD, the iPump 6420 features two 100 base-T Ethernet adaptors, the
“LAN” and “WAN” ports. The LAN port is used to transmit various Return Path reports (or
OAR files) back to the uplink control system via HTTP. It also supports its own web interface,
for local user control. It also provides various other network services, such as SMB or FTP
access to the folder containing all audio files. It also provides access to a telnet server, which
allows either Terminal control, or diagnostic access to Linux. For advanced users, an SSH server
is also provided for diagnostic access. Of all these services, only the Return Path capability is
also provided in the WAN port. This is a more secure port, as it only allows the outbound HTTP
connection and blocks all inbound services, even Ping.
Where internet connections are not available from the LAN or WAN ports, an optional
modem may be installed to allow dial-up connections back to the uplink control systems. This
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modem requires a simple analog “POTS” telco line for operation. It would be used as a first
alternative to the LAN or WAN ports for attempted Return Path reporting.
Moving on in Figure TBD, the Local PIO closures are inputs provided to allow local
automation equipment to cue the iPump6420 to deliver specific operations at precise times.
These are fully balanced wire pairs, optically isolated from the i6420 chassis. Under Compel
network or local user control, specific programmed events (commands) may be associated with
any of the seven PIO inputs. When a closure is detected, that command is then immediately
executed, whether an order to play an audio file, or to switch the live satellite audio feed.
Two more functional blocks not yet discussed are used for unit Monitor and Control. This is
the Front-Panel system and the Serial M&C port. The Front-Panel features LEDs for indications,
a 2x20 character LCD for status and control menus, and a keypad interface for user control. The
Serial M&C port allows the user a local Terminal control session.
Lastly, the iPump6420 features an alarm relay contact closure, to allow use of the unit in
redundant fail-safe configurations. This closure indicates “Fail” when the unit is in an Alarm
state, or when AC power is removed.
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Figure 1-3: iPump6420 Functional Block Diagram
RF
Input
Selected Progr/
Audio stream
DVB Receiver
subsystem
MPEG Transport
Transport Demux
Audio Decompression
module #1:
Wave-PCM, mp2,
or mp3 (option)
Audio Decompression
module #2:
Wave-PCM, mp2,
or mp3 (option)
Flash Storage:
Software & settings
Compel
Local Controller
(Supports Compel, web,
terminal, & FP cntl)
HDD Storage:
Media, playlists,
schedules, OAR
recordings, logs
WAN & LAN
Ethernet adaptors
POTS Modem
(option)
Local PIO
(closure) inputs
Internal
Control
Front-Panel
LCD/Keypad/LEDs
Terminal
Serial port
WAN
LAN
Analog
telco line
Incoming
closures
Serial
M & C
Audio Decompression
module #3:
Wave-PCM, mp2,
or mp3 (option)
Logically considered
mp3 codec
(option)
Alarm relay
AM/FM
Tuner (option)
Cue Relay
Closures
Alarm relay
closure
AM/FM radio
antenna
input n of 2
Cue relays,
Bank n of 2
“Port n of 2”
RBDS serial
Data output
RBDS
Output n of 2
Audio re-sampler
& Mixer
Audio
Output n of 2
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1.4. iPump 6420 Specifications
Characteristic Specification
DVB-S1-QPSK Tuner
RF Input
Input Impedance 75 unbalanced
Input VSWR, 75 system < 2:1 (9.0 dB R.L. min), 950-1450 MHz
< 3:1 (6.0 dB R.L. min), 1450-2150 MHz
Surge Resistance Survives up to 10 direct-coupled 8kV discharges (per IEC
801-2)
RF Tuning
Input Frequency Range 950 to 2150 MHz
LO Leakage at Input < -50 dBm
Symbol-rate Range 2 to 45 Msps (may be limited by Transport Rate Limits)
Tuning Resolution 10 kHz
Input Signal Level Range -25 to -65 dBm
Signal Level Warning
Limits
Maximum Aggregate Input
Power
Demodulator/FEC
Modulation QPSK (=.35) per DVB (EN300 421)
Carrier acquisition range +1 MHz or +10% of symbol-rate QPSK, whichever is greater
Max Eb/No @ Quasierror-free threshold (less
than one uncorrected
error-event per hour)
RF Power Level Estimator
(locked to carrier or not)
LNB DC POWER (supplied on RF center conductor)
Activation User or network controlled selectable: ON or OFF
Voltage ~ +18.7 VDC nominal at no loading, +18.0 VDC min. at max
Current (full load) 350 mA max.
Short circuit protection Thermal fuse, tripping at ~500 mA.
European “Universal
LNB”
Warns within +10/-5 dB of upper limit and +5/-10 of lower
limit
-8 dBm min
Per EN300 421:
QPSK R=1/2: 4.5 dB,
QPSK R=2/3: 5.0 dB,
QPSK R=3/4: 5.5 dB,
QPSK R=5/6: 6.0 dB,
QPSK R=7/8: 6.4 dB,
Unitless metric SIGNAL corresponds to input power as
follows:
Above -25dBm: Extrapolated up to 100+
-25dBm: 90 -55dBm: 30
-35dBm: 70 -65dBm: 10
-45dBm: 50 no signal <0
Below -65dBm: Extrapolated from 10 down to <0
Accuracy: unit to unit <+
loading
Implements LNB polarization & frequency-band control, per
ASTRA recommendation
5 dB; over frequency <+10 dB
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Characteristic Specification
ASI Transport Input Option
DVB-ASI Input One input per DVB-ASI per EN50083-9 Annex B
Physical layer 270 Mbaub signaling on 75 coax cable
Minimum byte gap Down to 5-byte interbyte gaps
Transport data rate 60 Mbps max.
Transport Demux MPEG/DVB
Max Supported Rate 60 Mbps
Programs Unlimited
Audio streams per
program
MPE/IP File Downloads
Types 1) By MPE/UDP/IP in satellite Transport
Max aggregate data-rate
over satellite
Audio Decoders One live, and up to two file-based audio decoders may be
Compressed modes, live
satellite audio streams
File playback MPEG-1 Layers 1 & 2, PES or Program (recordings only)
Compressed data-rates Up to 384kbps ES rate
Input Sample rates/formats
Supported
User-set output sample
rates
MP3 codec Constant bit rate only
File insertion tools
Playlists 1) Quantity: Unlimited
Unlimited
2) By HTTP over Internet
10 Mbps
assigned per audio output
MPEG-1 Layers 1 and 2, MPEG-2 Layer 2
MPEG-2 Layer 2, PES or Program (recordings only)
16-bit PCM wave
MPEG-1 Layer 3 (“mp3” option, see below)
32, 44.1 and 48 kHz only; mono or stereo
32, 44.1 and 48 kHz
Max ES bit rate 256 kbps
ID3 tags: v1 (file-end), v2 (file-start), both, or neither OK.
2) Length: Unlimited number of files, spec’d literally by
name or using keyword selection from folders
(see next)
3) Execution options: (i) play once as temporary insert;
(ii) loop N times as temporary insert; or (iii) loop
indefinitely as permanent Port setting (“virtual
channel”)
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Characteristic Specification
File selection keywords
(used in any file-play
specification for an insert)
Insertion “Profiles” 1) Pre-silence mutes live for programmable period
Transitions on file
insertions
Synchronization of inserts
to live audio track
Analog Audio Output Measured at 256 kbps audio ES rate, stereo mode
Output Level-MAX PPL +18.0 dBm into 600 ohms @ 0 dB attenuation
Output level adjust range 0 to 20 dB attenuation in 1 dB steps from Output Levels
Output Impedance Balanced: < 60
Frequency Response 20Hz to 20 kHz, + 0.5/-1.5 dB
Phase Accuracy 50 Hz to 15 kHz, ±2° from linear phase
SNR 88 dB (22 Hz to 20 kHz) unweighted
Harmonic Distortion
(1KHz test-tone, 1dB below PPL)
Dynamic Range 16-Bit Delta Sigma DAC
Muting Muting control of each Audio Decoder (port) is available,
Digital Audio Output Supplied for two main audios
Protocol Balanced 16-bit AES3 audio,
Output Impedance Differential pair, 110 ohms
Output level Non-adjustable 5 VP-P
Muting Muting control of each Audio Decoder (port) is available,
1) SHUFFLE—select files to play from folder such that
each plays once before any repeat, but order is
different each time through
2) RANDOM—select files to randomly play from folder,
but without any repeats
3) SEQUENTIAL—Like SHUFFLE, but maintains same
play order each time through file list in folder
before file insert starts
2) Post-silence mutes live for programmable period after
file insert ends
3) Programmable attenuation of file audio during insert
4) “Duck” allows live to mix with file audio during insert
at programmable attenuation
Seemless. No inserted silence.
1) Compel NETCON DELAY
2) Compel Extended Syntax command delay
+24.0 dBm is optional
above
50 Hz to 15 kHz, ± 0.5 dB
< 0.1%
muting both analog & digital outputs in tandem
Sample rate per each audio output
muting both analog & digital outputs in tandem
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Characteristic Specification
LAN/WAN Ethernet Ports
Physical Layer LAN &
WAN
Media Access and Link
Layers
Network and Transport
Layers
Network Services Telnet, SMB, FTP, SSH (for diagnostics), HTTP (web)
WAN port security All inbound TCP connections blocked; inbound ICMP
Cue Relays
Arrangement Two banks of 16, each bank may be logically associated with a
Type Form A relay 30VDC @ 100mA.
Alarm/User relay One relay dedicated to indicate ALARMS and one relay
Type Form C, wiper contacts NC contact when de-energized and
Polarity Common, NC and NO contacts supplied externally
Rating 30VDC open circuit, 100mA max current closed
RBDS Serial Ports
Arrangement Two serial ports, each may be logically associated with a main
Baud/protocols Programmable to 1200, 2400, 4800, or 9600 baud, fixed at
Serial M&C Port
Assignment Terminal (default) or Compel email
Baud/protocol-- Terminal Programmable to 2400, 9600, or 19.2 k baud; fixed at 8N1;
Baud/protocol—Printer
email
PIO Inputs
Physical 7 balanced wire pairs, triggering on closure
Logical Closures may be programmed to trigger stored Compel cmds
Full-duplex, auto-negotiating 10baseT, 100base TX (twisted
pair) on RJ45 jack
Per IEEE 802.3 (Ethernet)
Binds to TCP/IP stack
server, HTTP client (for Return Path)
messages (e.g. PING) blocked
main audio output
Commons may be wired together (by factory-set jumper), or
each wire pair left “floating”.
dedicated to user control. The ALARM relay automatically
de-energizes for alarm conditions so that power loss to unit
indicates as an alarm.
NO contact when energized
audio output
8N1; output only
full duplex
Programmable to 1200, 2400, 4800, or 9600; fixed at 8N1;
output only
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Characteristic Specification
Off-Air Recording
(optional)
Arrangement Two AM/FM inputs, each logically associated with one of the
AM (domestic US) Frequency 520 to 1720 kHz
FM (domestic US) Frequency 87.9 to 107.9 MHz
Extended worldwide
support option
(contact WEGENER sales)
Compression System Real-time compression to mp3 during file capture
MP3 file compression
parameters
Total recording time per
hour
Time Synchronization Compel TOD messages or NTP
Unit Control
Local User 1) Front-panel
Compel 1) Real-time COMPEL command stream in Transport
Power
AC Voltage 90-132 or 175-264 VAC, auto-selected
AC Frequency 60/50 Hz ± 2%
Current 0.8A @ 115VAC typical, with full LNB load
Chassis
Height Std. 1RU 1.75 inches (4.45cm)
Width EIA std. 19 inches (48.26cm)
Depth Back of rack-ears to rear panel: 19.4 inches (49.27 cm)
Weight ~18.2 Pounds (8.27 kg)
Cooling Fan-cooled with front-side and right-side inlets with back-
Audio captured from demodulated radio carriers. Audio
compressed into mp3 files and returned to uplink control
system via Return Path.
two main Audio Decoders (ports), either #1 or #2
Sensitivity 5.0 uV for S/N= 10dB
Sensitivity 2.0 uV for S/N = 30 dB
In addition to US commercial bands, add these bands:
AM (Long Wave) 153 to 279 kHz
AM (Medium Wave) 520 to 1710 kHz
AM (Short Wave) 2.3 to 21.85 MHz
FM 64-108 MHz
ES bit-rate: 8, 16, 24, 32, 64 kbps
Audio sample rate: 8, 16, and 32 kHz
Stereo/mono selection
Sample depth 8 or 16 bit
For best stability, unit must record 12 minutes or less per
hour, from all sources
2) Terminal (thru serial port or under Telnet)
3) Web
4) SNMP (status only)
2) Polled Compel commands (by HTTP, over internet)
3) Stored Compel commands in Scheduler (fixed time or
Triggered, either by Compel cmd or PIO input)
Back of rack-ears to end of connectors: 20.2 inches ( cm)
side and left-side exhausts (viewed from the front).
Continuous fan cooling.
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iPump 6420 User’s Manual
Characteristic Specification
Environmental
Use Indoor only
Heat dissipation 48 watts typical, with full LNB DC load
Operating Temperature +10oC to +40oC (+50oF to +104oF) Unit gives warning
indication for over-temperature conditions
Storage Temperature -20oC to +70oC (-4oF to +158oF)
Humidity To 93% non-condensing
Altitude Up to 10,000 ft (3048 m)
Agency Approvals
UL UL 60950-1:2003, First Edition
CSA C22.2 No. 60950-1-03 1st Ed. April 1, 2003
FCC EN55022, EN61000-3-2, EN61000-3-3 and FCC, Part 15,
Subpart B Rules and regulations, Class A
CE EN60950-1(02), EN55022, EN55024(98)A2(03)-tested per
EN61000-4-2(95), -4-3(02), -4-4(95), -4-5(95), -4-6(96) and -4-
11(94)
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iPump 6420 User’s Manual
1.5. Safety Summary
The iPump 6420 is designed for safe use with few special precautions required of the user. The following
items are basic precautions to use when installing and working with your
iPump 6420:
Do not open the
iPump 6420 chassis cover.
The
iPump 6420 incorporates security labels over some of the screws. There are no user-serviceable
components within the iPump 6420. Tampering with these security labels or opening the unit may void
your warranty. If you have questions, contact Wegener's Customer Service Department at the address or
numbers listed in
Chapter 5 Customer Service on page TBD.
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1.6. Glossary of Terms and Abbreviations
Term Definition
AFD Assured File Delivery, the WEGENER system for file downloads through
satellite channels
Alarm An indication of a serious fault, generally expected to prevent the i6420
from fulfilling a basic mission
Application Term used to describe the controlling software that runs on top of an Linux
Operating System, and that provides most i6420 functionality.
ASI A physical interface for MPEG Transport streams, featuring bit-serial
transmission on a baseband signal with 270 MHz signaling rate. The data
is sent asynchronously, meaning the interface conveys a data byte when
available at the sender, and padding bytes otherwise.
Boot Loader A small program that briefly runs on top of the Linux OS in the i6420 that
loads and runs the main application.
Carrier An RF signal whose envelope and phase is modulated (manipulated) in an
defined fashion in order to convey information.
Client A program that can be started and ran on a computer that seeks services
from server programs. Usually human operators will interface directly
with the client to seek these services.
Compel WEGENER’s trademark Control system, optimized for control of media
distribution systems using edge devices such as WEGENER’s iPump 6420.
DVB Digital Video Broadcast. Term used to represent the methods and
protocols using MPEG Transport streams to distribute media content over
satellite
Eb/No In digital carrier systems, the energy per information-bit divided by the
channels noise density per Hertz. This is the key figure of merit for signal-
to-noise ratio.
Ethernet The widely-used LAN technology specified by IEEE standard 802.3
FEC Forward Error Correction. A transformation done on a stream or block of
information, expressed in bits, bytes, or frames, where some small amount
of redundancy is added. This is done in a manner such that, when the
transformed (FEC-encoded) stream of data is conveyed over error-prone
communication links, such as satellite channels, the errors can be removed
and the original information message recovered.
FTP File Transfer Protocol. Industry-standard method for transferring files
between host computers over IP networks.
HTTP Hypertext Transfer Protocol. This is the protocol supported by web
servers and clients. It actually describes a set of methods to upload and
download, not only web pages, but any kind of file. The i6420 uses the
HTTP POST method to upload files to remote servers, and uses the GET
method to download files from remote servers.
IP Internet Protocol. The internetworking protocol that allows host
computers to communicated over local networks or over the internet.
IRD
Integrated Receiver-Decoder. A product which features a "receiver" to extract
Transport streams from satellite-borne carriers & a companion "decoder" to
decompress MPEG elementary streams (from within said transport streams) in
order to recreate the original audio/video/data signals. The WEGENER Unity 4600
is an IRD.
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Term Definition
Language Descriptor
or LD
Linux A modern, open-source (free) operating system (OS). The OS provides
LAN Local area network. An IP/Ethernet network to which either the i6420
LCD Liquid Crystal Display. Text display technology for i6420 front-panel.
LED Light emitting diode. Display lamps for i6420 front-panel.
LNB Low-noise block downconverter - equipment (generally at the antenna)
MPEG Moving Pictures Experts Group. Often used to describe a set of
PAT Program Allocation Table. A single metadata structure provided in all
Permanent Setting A non-volatile setting of the i6420, which has no time limit.
PID Packet ID. Identifies a specific single data stream within an aggregate
PMT Program Map Table. A single metadata structure that is provided in
Playlist In an i6420, an ordered set of playable media files. When used, the entire
Program Under MPEG, these are the basic channels under which media is conveyed
Program Number An identifier unique to each Program within a Transport.
PPP PPP (Point-to-Point Protocol) is a protocol for communication between two
QPSK Quadrature-phase-shift-keying. Term usually used to imply the specific
RF Radio Frequency. Often used as a noun to mean any RF signal, such as the
Server A computing program that constantly runs, while waiting to deliver, and
SMB Server message block - a protocol for requesting services from and reading
Telnet Industry-standard method for communicating between host computers
Identifier for a single component compressed audio stream under an
MPEG Program within a Transport stream.
these standardized services to the i6420 application software: 1) access to
the hardware, 2) rations access to the microprocess for the application’s
multiple processes, 3) interrupts the application with events and messages,
4) ration computer resources, and 4) allows standard communication
methods to external hosts.
LAN or WAN ports may be connected.
that converts the incoming satellite signal to the appropriate frequency for
reception by the
iPump 6420.
specifications based on ISO 13818-x.
MPEG Transport streams that show what Programs are available.
MPEG Transport stream.
MPEG Transport streams, one such “table” per Program. Gives
information about the media components (video, audios, data, etc.) within
the Program.
set is played or executed in its entirety.
in MPEG Transports. Typically, all media services within a Program
share a single time-base.
computers using a serial interface, typically a personal computer connected
by phone line to a server.
carrier protocol (modulation and FEC) described in DVB specifications
and used world-wide to convey MPEG Transports over satellites.
satellite downlink signal, or the IF signal emitted from the antenna LNB.
then performing the delivery of services to other programs running on the
same or other computers. Also used to describe the computer upon which
a server program is running.
and writing to a file server. An SMB server can present its files for easy
viewing by Windows Explorer.
over IP networks.
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iPump 6420 User’s Manual
Term Definition
Temporary Setting A volatile setting of the i6420, which is limited in time. After this expires,
the unit returns to a permanent setting.
Transport The aggregate satellite-borne data stream defined by MPEG and DVB.
Warning An indication of a minor fault, or perhaps early warning about an
imminent major fault. At the point the Warning is displayed, it is for user
information only and does not mean that a basic i6420 mission may not be
fulfilled.
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iPump 6420 User’s Manual
Chapter 2: INSTALLATION
This chapter provides instructions on unpacking, mounting, and connecting the iPump 6420,
as well as providing connector information, including detailed pinouts.
Table of Contents
2.1. Unpacking and Inspection...................................................................................... 24
2.2. Location and Mounting .......................................................................................... 24
Figure 2-1: Proper rack installation for iPump6420.........................................................................25
2.3. Equipment Setup..................................................................................................... 26
2.3.1. iPump 6420 Rear Panel Connections................................................................ 26
2.3.2. iPump6420 Connector Details .......................................................................... 27
Figure 2-2: iPump 6420 Rear Panel View..........................................................................................27
Table 2-1: iPump6420 External Connector Information..................................................................27
2.4. Establishing Compel Network Control................................................................. 31
2.4.1. Getting Local Web Control............................................................................... 32
2.4.2. Setup through the Front-Panel .......................................................................... 33
Check/set LNB LO: ....................................................................................................... 33
Check/set RF carrier settings:........................................................................................ 33
Check/set audio port settings:........................................................................................ 34
Check/set LAN and/or WAN Ethernet port settings: .................................................... 34
Check/set Terminal port settings: .................................................................................. 34
2.5. Unit Indications....................................................................................................... 35
2.5.1. Front-panel LCD Home Screen ........................................................................ 35
Figure 2-3: i6420 Home Screen.........................................................................................................35
2.5.2. Front-panel LED Indications ............................................................................ 36
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2.1. Unpacking and Inspection
Carefully unpack the unit and its ac power cord and inspect for obvious signs of physical
damage that might have occurred during shipment. Also locate the bag of accessories, including
special cable pigtails and adaptors. Any damage claims must be reported to the carrier
immediately. Be sure to check the package contents carefully for important documents and
materials.
Note: Please save the packing materials and original shipping containers in case you must
later return the unit for repair. Packing these units in other containers in such a way that they are
damaged will void your warranty.
2.2. Location and Mounting
The iPump 6420 should be mounted in a standard 19-inch equipment rack. After mounting,
maintain a clean, dry environment for the unit.
Precautions
WARNING: FCC-Mandated Suppression of Radio Frequency Emissions
This is a
interference for which the user may need to take mitigating action.
If the Ethernet port has a cable connected to it, that cable must be properly shielded
and grounded to minimize RF emissions that could interfere with nearby equipment.
Class A product. In a domestic environment this product may cause radio
DANGER To avoid damage to this and other equipment, or personal injury, the following items
should be strictly observed.
Elevated Operating Ambient
When equipment is installed in a closed or multi-unit rack assembly, the operating ambient
temperature of the rack environment may be greater than the room ambient temperature.
Therefore, consideration should be given to the ambient air temperature within the rack, and
not just inside the room, when deciding if the maximum recommended ambient operating
temperature (T
Reduced Air Flow
Equipment should be installed such that airflow required for safe operation of the equipment
is not compromised. To ensure adequate air flow, the
rack with at least one empty rack unit between it and adjacent equipment and with adequate
clearance around both side vents.
Mechanical Loading
Mounting of the equipment in a rack should be such that a hazardous condition is not
produced by uneven loading. This unit is moderately heavy, so total rack loading must be
considered. Also, do not rest any unsupported equipment on your
MRA) is being met.
iPump 6420 should be arranged in a
iPump 6420.
DANGER Circuit Overloading
Consideration should be given to the connection of the equipment to the supply circuit and
the effect that overloading of circuits could have on overcurrent protection and supply
wiring. Ensure that the total rack or breaker power consumption does not exceed the limits
of the ac branch circuit. Appropriate consideration of equipment ratings should be used
when addressing this concern.
Reliable Earthing
Reliable earthing of rack-mounted equipment should be maintained. Particular attention
should be given to supply connections other than direct connections to the branch circuit
(use of power strips, chassis ground lugs, etc.).
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Rack Installation
The iPump 6420 is sized at 1 RU and should be mounted in an EIA-standard, 19-inch-wide
equipment rack. After mounting, maintain a clean, dry environment for the unit.
1) First, install angle brackets or cross-supports capable of supporting both the unit and its
connecting cables. Screw or bolt the supports securely to the equipment rack.
NOTE: Use of rack supports with cutouts on the sides that allow air circulation are also
permitted.(Wegener P/N 26429-07, 26429-08)
2) Place the iPump 6420 on its supports and use four anchor screws or bolts and nuts to
secure the unit's front brackets to the rack.
3) Do not block any of the ventilation or fan opening on the front, side, or rear of the unit.
Support arrangements that do not allow adequate air flow or that block the openings on
front, side and rear vents may result in overheating and damage to the iPump 6420.
4) The front brackets must be secured to the rack. If front brackets are left unsecured, the
unit may shift forward and fall from the rack during installation or operation. Failure to
secure the front brackets may result in personal injury and/or damage to the equipment.
5) Locate the iPump 6420 and its cables to avoid impacts, spills, and pulling cables and to
ensure sufficient air flow. Failure to locate the iPump 6420 in a proper environment may
result in damage to the equipment.
6) No more than 3 iPump6420s may be stacked contiguously, after that, there needs to be a
1RU buffer space before any other heat-generating equipment. This may be repeated
indefinitely, so long as the local ambient temperature requirements are observed
(temperature of air at side and front ventilation points).
Figure 2-1: Proper rack installation for iPump6420
Note:
Use of rack supports with cutouts
on the sides that allow air
circulation are also permitted.
(Wegener P/N 26429-07, 26429-08)
Caution:
Do not block any of the front,
side, or rear ventilation holes
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2.3. Equipment Setup
2.3.1. iPump 6420 Rear Panel Connections
Before applying power, make the following connections, as necessary, to your iPump 6240. For
connector details, refer to Table 2-1Error! Reference source not found.. For help deciding which
connectors and signals to use, consult Chapter 3.
1) Connect the L-band output from your antenna's LNB to your
supplied with ASI Input interface, connect a coax cable to your ASI Transport source (such as
another satellite IRD).Connect your balanced analog audio ports (1, 2, or 3 [Aux]) to your
analog audio distribution system (DA). Or connect the AES3 digital audio outputs (for 1 & 2
only) to your digital audio distribution system (DA).
2) Connect a CAT5 cable from the
access the
may be the only adaptor needed (see next).
3) If you wish to have your iPump 6420 be able to send Return Path over internet to the uplink
control system, then the LAN segment connected to the LAN port must be allowed to make
outbound HTTP connections, and you must protect the iPump 6420 from inbound
connections from the internet. If so, then you may skip the next step.
4) Connect a CAT5 cable from the
connection. Remember, this is used only for connections unprotected by NAT router and/or
firewall.
5) Connect the Modem jack to a local analog phone line, if using Return Path, but where the
Ethernet adaptors cannot be wired to have access to the internet.
6) Connect one of more of your
equipment (if used).
7) Connect one or more of your iPump 6420 RBDS output ports to the radio station exciter’s
RBDS input, if supporting RBDS distribution in this radio network.
8) Connect one or more of your iPump 6420 AM/FM tuner inputs to appropriate radio antenna,
if supplied and using Off-Air Recording audits. You must be using Return Path to support
return transmission of recorded OAR files.
9) Connect the local automation systems’s relay closure outputs to the PIO Input connector.
10) For diagnostics, you may connect a text-based monitor to the Serial M&C port.
11) Connect the Alarm port to downstream redundancy control or alarm monitoring system.
12) Connect the supplied ac power cord to the
100-to-120 VAC or 200-to-240 VAC source. Once all of the ports are connected and power is
supplied, the iPump 6240
complete.
iPump 6240's web control screen. If that LAN segment can reach the internet, then this
begins the startup process and will require about 2 ½ minutes to
iPump 6240's LAN port to the desired LAN segment in order to
iPump 6240's WAN port to an external broadband internet
iPump 6240 Cue Relays ports to the local commercial insertion
iPump 6240's IEC receptacle and then to a
iPump 6240's input RF port, OR, if
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