Adtec EN-31 User manual

EN-31
Dual Channel Capable HD/SD MultiCODEC DSNG Encoder
w/ optional IF/LB/10Mhz Modulation
USER GUIDE
v2.01.12
1

Table of Contents
Table of Contents
Trademarks & Copyrights
Electrical Device Compliance Notices
Safety Warnings and Cautions
Compliance Notices
FCC
Industry Canada
European Union EMC Directive Conformance Statement
Chapter 1 - Product Overview
Product Introduction
Chapter 2 - Getting Started
Front Panel
Panel Diagram
Model Indicator Decals
Front Panel LCD Quick Views
Transport LED Indicators - Channel 1 & 2
Audio Encode Indicators - Channel 1 & 2
System Indicators
Controls
Modulator Lineup
Front Panel Menu Structure
Services Menu
RF Tx Menu
IP Tx Menu
Video Menu
Audio Menu
PIDs Menu
VBI Menu
Profile Menu
CAS Menu
System Menu
Login
Duration
Backlight Dim Delay
Network Sub Menu
Time Sub Menu
NTP Sub Menu
Alarm
SNMP Sub Menu
2

Com2
Feature Sub Menu
Name
Firmware
Back Panel Diagram
Processor Connectors
Video/Audio Inputs
Output
Chapter 3 - Using the Web Application
Introduction
Logging In
Upgrading your device
Chapter 4 - How-To Guides
How to Complete a Manual Upgrade
How to Connect via Telnet
How to Connect via FTP
How to Use API Commands
How Video Rates are Configured
(Example is pertinent to MPEG2)
How to enable EAS mode
EAS GPIO Connector Pinout
How to configure Network EAS Triggering
How passthru audio function - Dolby E / 5.1 / 2.0, Dolby D, LPCM
Common Passthru Problems:
EN-31 Audio
How to use ASI Remux
EN-XX ASI Remux with Manual PID Mapping
Vertical Interval Time Code
How to setup a Zixi IP Stream
Chapter 5 - Appendix
Appendix A - GNU General Public License
Appendix B - Technical Specifications
EN31-MP2 Video Specs (MPEG2):
EN31-MP4 Video Specs (AVC):
IF, L-Band Modulator + 10MHz (option) - IF/LB/10M-01
Appendix C - DB9-M Analog audio input pinout
Appendix D - Adtec Digital Support & Service
Telephone and Email Support
Preparing for Support
SLA Options
3

Trademarks & Copyrights
Copyright: (c) 2012-Present: Adtec Digital. All rights reserved. This document may not, in
whole or in part, be copied, photocopied, reproduced and translated, or reduced to any
electronic medium or machine-readable form without prior written consent from Adtec
Digital.
Trademarks: EN-31 is a trademark of Adtec Digital. Dolby, Dolby Digital, AC-3 and the
double-D symbol are registered trademarks of Dolby Laboratories. Other product and
company names may be trademarks or registered trademarks of their respective
companies. The information in this document is subject to change without notice.
4

Electrical Device Compliance Notices
Safety Warnings and Cautions
For your safety and the proper operation of the device:
●This unit must be installed and serviced by suitably qualified personnel only.
●Do not break the warranty seals on the device or open the lid. Only approved service
technicians are permitted to service this equipment.
●Disconnect all power before servicing the unit.
●Do not expose this device to rain or other moisture. Clean only with a dry cloth.
●If not installed in an equipment rack, install the product securely on a stable surface.
●Install the product in a protected location where no one can step or trip over the
supply cord, and where the supply cord will not be damaged.
●If a system 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.
●Consideration should be given to installing the unit in an environment compatible
with the maximum recommended ambient temperature of 50 degrees Celsius (122
degrees Fahrenheit).
●Install the unit in a rack so that the amount of airflow required for safe operation is
not compromised.
○The recommended clearance on the top and sides of the unit is at least ½ “
(one half inch/one centimeter).
●Mounting of the unit in a rack should be such that no hazardous condition is achieved
due to uneven mechanical loading.
●Use only a grounded electrical outlet when connecting the unit to a power source.
●Reliable earth grounding of rack-mount equipment should be maintained.
○Particular attention should be given to supply connection other than direct
connections to the branch circuit (e.g., use of power strips).

 
5

Compliance Notices
FCC
Note: This equipment has been tested and found to comply with the limits for a Class B
digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide
reasonable protection against harmful interference in a residential installation. This
equipment generates, uses and can radiate radio frequency energy and, if not installed and
used in accordance with the instructions, may cause harmful interference to radio
communications. However, there is no guarantee that interference will not occur in a
particular installation. If this equipment does cause harmful interference to radio or
television reception, which can be determined by turning the equipment off and on, the user
is encouraged to try to correct the interference by one or more of the following measures:
●Reorient or relocate the receiving antenna.
●Increase the separation between the equipment and receiver.
●Connect the equipment into an outlet on a circuit different from that to which the
receiver is connected.
●Consult the dealer or an experienced radio/TV technician for help.
Warning: Changes or modifications to this device not expressly approved by Adtec Digital
could void the user’s authority to operate the equipment.
Industry Canada
This Class B digital apparatus meets all requirements of the Canadian Interference
Causing Equipment Regulations. Operation is subject to the following two conditions:(1) this
device may not cause harmful interference, and (2) this device must accept any interference
received, including interference that may cause undesired operation.
Cet appareillage numérique de la classe B répond à toutes les exigences de l'interférence
canadienne causant des règlements d'équipement. L'opération est sujette aux deux
conditions suivantes: (1) ce dispositif peut ne pas causer l'interférence nocive, et (2) ce
dispositif doit accepter n'importe quelle interférence reçue, y compris l'interférence qui peut
causer l'opération peu désirée.
European Union EMC Directive Conformance Statement
This product is in conformity with the protection requirements of EU Council Directive
2004/108/EC on the approximation of the laws of the Member States relating to
electromagnetic compatibility. Adtec Digital cannot accept responsibility for any failure to
satisfy the protection requirements resulting from a user modification of the product. This
product has been tested and found to comply with the limits for Class B Information
Technology Equipment according to CISPR 22 / EN 55022.
6

Chapter 1 - Product Overview
Product Introduction
The EN31 is a two-channel High and Standard definition MPEG-2 or H.264 encoder
supporting ATSC and DVB tables through ASI and IP transport streams.  The EN31 can be
ordered with optional satellite modulation for contribution and distribution applications.
It inherits Adtec’s broadcast quality compression, advanced feature set, service
performance, and reliability in a dense two-channel platform targeted towards broadcasters,
cable and IP compression applications.
The device automatically detects video and audio from two sources (combination of
HD and SD acceptable), encodes, multiplexes and sends them back out as one combined TS
via IP, ASI or optional RF. VBI, CAS, and support for Emergency Alert (EAS) triggering are
standard.  It can also send the two sources as single program transport streams via IP.

Applications

Adtec Digital EN-31 and RD-30 contribution
7

Chapter 2 - Getting Started
Front Panel
The Function Buttons and Directional Keypad of the EN-31 are used to configure and
monitor the signal input and output of the device.
Panel Diagram
Model Indicator Decals
8

Front Panel LCD Quick Views
There are 8 Quick Views that can be accessed by the front panel LCD by pressing
the up and down arrows.
1) Encoding State: When in normal encoding mode, the LCD will display the following
information. Since there can be up to 2 encoders in the product, you can view the status of
both services.  *When only one encoder module is present the second module statistics will
not be displayed*
2) Services State: This quick view displays the Service ID number, short name, and long
name for both encoder modules.
3) Video Input State: This quick view displays the resolution, input signal source, and
input signal mode for both encoder modules.
4) Video Encoding State: This quick view displays the Video Bit Rate, CODEC, and Chroma
type for both encoder modules.
5) Audio Encoding State: This quick view displays the type of Audio Encoding and the bit
rate for both encoder modules.  Service 1 statistics are the first line of information.  Service
2 statistics are the second line of information.
6) PID Statistics: This quick view displays the Video and Audio PIDs for both encoder
modules.  Service 1 PIDs are the first line of information.  Service 2 PIDs are the second line
of information.
9

7) TSoIP State: This quick view displays the status of IP Transport mode, RTP, FEC mode,
and number of selected services.  Up to 4 destination IP addresses can be sent
simultaneously.
8) ASI Remux State: This quick view displays the status of ASI Remux status if the
feature is enabled.
9) *Modulator State: This quick view displays the status of RF Tx status if the unit is
equipped with optional modulator.

Transport LED Indicators - Channel 1 & 2
Indicator
Function
Video
On - Video is detected on the selected input.
Blink - No video is detected.
Encode
Off - Device is not encoding. Idle State
On - Device is encoding.
AVC
Off - MPEG 2 module installed.
On - MPEG 4 (H.264) module installed.
HD
Off - Encoding standard definition.
On - Encoding high definition.
10

Audio Encode Indicators - Channel 1 & 2
Indicator
Function
A1 -A4
Off - Audio encoder configuration is set to off.
On - Audio encoder configuration is set to encode or passthru.
Blink - Audio pair is enabled but there is no payload on the input
System Indicators
Indicator
Function
Alarm
Off - No system alarms.
On - System alarm.  (Typically NTP alarm)
BISS
Off - No encryption set
On - Encryption active
Link
Off - No network detected
On - Network communication active
Busy
Off - No network activity
On - Network traffic present
Controls
Using the Mode, Select, Enter, Escape, and directional buttons, the user can control the unit
via the front panel.
Control
Function
Mode button
Mode will cycle you  through top layer menus.
Select
Select will enter you into edit mode.
Enter
Enter submits any edits.
Escape
Escape returns you to the previous menu layer.
Cursor Arrows
Arrows will navigate you within submenus
Programming
Keypad
For value entry. F2 functions as a “.” decimal or period.

 
11


Modulator Lineup
This feature enables the operator to quickly view and/or configure select modulator RF
output parameters.  The parameters available in this menu are;
1. Carrier Mode: [ PURE_CARRIER or MODULATED]
2. Transmit: [ ENABLED or DISABLED]
3. Output Power: [ in 0.5dB increments ]
4. Uplink Frequency: [ in 1.0MHz increments ]
To access the menu, press the F1 and F2 keys simultaneously. The front panel will briefly
flash “MODULATOR LINEUP” then display the menu.
Note:  To use this feature, the front panel display must be illuminated.  If the display is
dim, press ANY front panel button to illuminate it.
Note:  If the unit has been previously configured by the operator and powered OFF and ON,
then the display will read the last valid configuration, however, Tx will read DISABLED.
To select the desired Carrier Mode, press the front panel “SELECT” button.
To set Transmit to ENABLED or DISABLED, press the front panel “ENTER” button.
To set the desired output Power Level, press and hold the front panel ↑ or ↓ button.
To set the desired Uplink Modulator Frequency, press and hold the front panel ← or → button
Note:  If the Modulator Frequency is reconfigured when Transmit = ENABLED, then Transmit
will be automatically set to DISABLED.
 
12

Front Panel Menu Structure
Services Menu
The following diagram illustrates the structure and flow of the  Services Menu on the Adtec
EN-31 device.  TX MUX Rate, Table, and TSID are global configurations, while items under
the denoted << >> parallel menu are unique to each encoder :
Control
Function
Options
API Command
TS MUX
Rate
Configures the total transport multiplex rate.
*Controlled by modulator when set to
Enable
1 - 150
Mb/s
*.ECMD0 TMR
Video
Autofill
Video Autofill automatically adjust the Video
Bit Rate to occupy the maximum fill of the
TS Mux Rate
ON
OFF
*.ECMD0 VAF
Tables
Configures the table generation standard to
be used
DVB
ATSC
MPEG
*.ECMD0 TON
TSID
Transport Stream ID is a user-defined value
in the PAT packet used to identify individual
transport streams
0x0000 -
0xFFFF
*.ECMD0 TSI
ASI Mode
Configures the encoder to egress a constant
transport stream when video is not present.
It is recommended to keep ASI Mode set to
Continuous
ON
OFF
*.ECMD0 ASM
ASI
Remux
Reserves the bandwidth needed for
incoming ASI transport stream
Note: Setting value to zero disables ASI
Remux
0-100
Mb/s
*.ECMD0 TRS
ASI 0
Active
Configure each encoding module to be
turned on or off
ON
OFF
*.ECMD# STU
Service
Name
Name of the program or event, carried in
the SDT table of a transport stream
text field;
20-characte
r limit (incl.
spaces)
*.ECMD# SNA
Service
Provider
Name of the party offering the program or
event, carried in the SDT table of a
transport stream
text field;
20-characte
r limit (incl.
spaces)
*.ECMD# SPR
Service
Number
 The Service Number or Program Number in PAT
& PMT packets identifies which program is
1 - 65535
13

associated with which Video & Audio PIDs. This
value should be entered in decimal format
Logical
Channel
Number
This setting allows you to set the logical
channel number that will be used to tune in
with a set top box or television.  This setting
is only valid with DVB table generation.
1 - 9999
*.ECMD# LCN
Bars,
Tones, ID
Menu
Bars, Tones and Service ID information can
be overlayed on top of valid video by
selecting the desired combination from this
menu.
Note: When an audio input / channel is
configured for Pass through operation
Internal tone generation does not function
for the pass through channels.
Bars Mode:
ON, OFF
Bars Type:
BARS, Solid
color,
FLASH
Tones
Mode: ON,
OFF
OSD Mode:
ON, OFF,
BLINK
Important: setting the Major Channel Number to zero (0) will equate to setting a single-part
channel number in ATSC applications.

 
14

RF Tx Menu
The following diagram illustrates the structure and flow of the RF Tx Menu on the Adtec
EN-31 device.  This menu will not be available on units without the optional RF modulators.
Item
Function
Options
Transmit
Allows the operator to enable or
disable the Main RF output. If
Transmit is enabled and any value
for Type, Frequency, Rolloff,
Symbol Rate, or Interface Rate is
changed, then Transmit will be
automatically disabled. However,
the monitor output will remain
active.
Disable
Enable
Type
Allows the selection of the mod
type.
DVBS
DVBS-2
Mode
This control allows the operator to
select the desired modulation mode
and FEC code rate.
We display all possible ranges
available via our device in the Front
Panel. This list will differ from the list
found in the web UI as it only shows
those options available based on the
feature keys found.
QPSK-1/2
QPSK-2/3
QPSK-3/4
QPSK-5/6
QPSK-6/7
QPSK-7/8
QPSK-1/4
QPSK-1/3
QPSK-2/5
QPSK-3/5
QPSK-4/5
QPSK-8/9
QPSK-9/10
8PSK-3/5
8PSK-2/3
8PSK-3/4
8PSK-5/6
8PSK-8/9
8PSK-9/10
16QAM-3/4
16QAM-7/8
16APSK-2/3
16APSK-3/4
16APSK-4/5
16APSK-5/6
16APSK-8/9
16APSK-9/10
32APSK-3/4
32APSK-4/5
32APSK-5/6
32APSK-8/9
32APSK-9/10
Local
Oscillator
 Determines the Local Oscillator
Frequency (in Mhz) variable in the
embedded Uplink Calculator.
For Normal (Non-Inverted)
Spectrum Mode:
User defined
15

  Freq 
Modulator 
  =   Freq 
Uplink 
  -   Freq 
Local
Oscillator
For Inverted Spectrum Mode:
 Freq 
Modulator 
  =   Freq 
Local   Oscillator 
  -
Freq 
Uplink
Note:This   field   is   provided   for
convenience   purposes   only   and   to
aid   in   the   automatic   calculation   of
the   Modulator   frequency.   The   actual
setting   will   depend   on   your   external
hardware   (Block   Upconverter),   and
may   differ   from   the   value   set   in
here.
Uplink
Frequency
 Determines the Uplink Frequency
(in Mhz) variable in the embedded
Uplink Calculator.
Note:This   field   is   provided   for
convenience   purposes   only   and   to
aid   in   the   automatic   calculation   of
the   Modulator   frequency.   The   actual
setting   will   depend   on   your   external
hardware   (Block   Upconverter),   and
may   differ   from   the   value   set   in
here.
User Defined
Frequency
Allows the operator to enter the
desired output frequency of the
main RF output port.
IF or L-Band
Power
Allows the operator to configure the
output power of the main RF output
port. Power is defined as the
composite power referenced to an
un-modulated (Pure Carrier)
carrier.
RF power level
Spectrum
Inversion
The Spectrum Inversion options are
either Normal or Invert. If Normal
is selected, then spectrum inversion
does not occur. Spectral inversion
can occur when either the baseband
signal is up-converted to an IF
frequency or when the IF is
upconverted to the desired RF
output frequency.
Invert
Normal
FEC Frame
When operating in DVB-S2, the
Short
16

Frame Type options are either
Normal or Short. The Normal
64,800-bit FEC frame provides
better protection but introduces
more latency compared to the
Short 16,200-bit FEC frame.
Therefore, the Short FEC frame
type should be selected in
applications where latency is critical
and the longer frame type should
be used to optimize protection.
Normal
Rolloff
The Rolloff selection will determine
the shape of the output filter. The
occupied bandwidth of the
modulated signal is the symbol rate
multiplied by (1+α) where alpha (α)
is the rolloff factor. By using a
lower alpha, carriers can be spaced
closer together on a given
transponder or an increased symbol
rate can be realized for a given
bandwidth.
 5
10
15
20
25
30
Pilot
When operating in DVB-S2, the
Pilot options are either ON or OFF.
When pilots are enabled, the total
data throughput is reduced by
approximately 3.0%.
On
Off
Rate Priority
The Rate Priority control allows the
operator to designate which rate
will be kept constant. When the
Symbol Rate is entered and Rate
Priority is Symbol, the symbol rate
is held constant and the Interface
rate is calculated. When the
Interface Rate is entered and Rate
Priority is Interface, the interface
rate is held constant and the
symbol rate is calculated.
Symbol
Interface
Symbol Rate
The number of symbols transmitted
per second. The amount of data per
symbol is dependant upon the
modulation type, e.g. QPSK, 8PSK,
etc.
Range can be determined by feature
key.
Interface
Rate
The Interface Rate is the bit rate at
the baseband interface.
Range can be determined by feature
key.
17

Carrier Mode
The Carrier Mode control allows the
operator to select ON for normal
operations or select one of four
unmodulated carriers. The Pure
Carrier option will provide an
un-modulated output carrier at the
desired frequency and output
power.
Pure Carrier
On
10MHz Clock
Allows operator to generate or pass
a 10MHz signal.  The signal can be
generated internally or sourced
externally.
*** This is a special order option.
If your unit does not have the
functionality the setting will read
“N/A”
OFF
ON
EXTERNAL
10 MHz
Clock
Combined
Allows the operator to choose
whether or not to combine the
10MHz signal with the L-Band
output.
*** This is a special order option.
If your unit does not have the
functionality the setting will read
“N/A”
UNCOMBINED
COMBINED
MODULATOR
LINEUP
This feature enables the operator to
quickly view and/or configure select
modulator RF output parameters.
Carrier Mode:
    PURE_CARRIER or MODULATED
Transmit:
    ENABLED or DISABLED
Output Power:
    User defined in 0.5dB incr.
Output Frequency:
    User defined in 1.0MHz incr.
IP Tx Menu
The following diagram represents the structure of the IP Tx Menu Menu:
Control
Function
Options
API Command
Mode
switches multicast function on and
Off
*.ECMD0 MMO
18

off
Send
#
Tx IP Address
The IP Address of which the
Multicast or Unicast is broadcast.
Multicast addressing supports the
transmission of a single IP
datagram to multiple receivers.
Valid Multicast addressing range is
224.10.XXX.XXX to
239.XXX.XXX.XXX. Unicast
addressing sends a single IP
datagram to only one receiver.
The Unicast address will be the
unique IP of the receiving device.
user-defined;
numeric field in
format
xxx.xxx.xxx.xx
x
*.ECMD0 MSI #
Tx Port
port assignment used for
transmitting a multicast
user-defined;
numeric field
*.ECMD0 MSP #
DVB per IP
Configures the amount of DVB
transport stream packets ( 188
bytes per DVB packet ) per IP
packet payload.
1
4
7
*.ECMD0 MSY #
RTP
Allows for sequence numbering
and timing for accurate playback.
On
Off
*.ECMD0 RTP #
FEC Mode
Forward Error Correction; selects
on/off. When selected, sends two
FEC RTP streams in addition to a
source RTP stream enabling a
receiver to reconstruct missing
packets in the source stream.
The RTP Control (above) must be
set to 'on' to enable FEC.
On
Off
Available if RTP
selected 'on'
*.ECMD0 FEP #
FEC L
affects the maximum burst packet
loss that can be recovered
4-20
*.ECMD FEP #
FEC D
defines latency involved in burst
recovery
4-20
*.ECMD FEP #
TOS
Type of Service helps define how
the network should make
negotiate queuing between
throughput, delay, reliability, and
cost.
Normal
Minimize Cost
Maximize
Reliability
Maximize
Throughput
Minimize Delay
*.ECMD0 TOS #
19

TTL
Time to live is a numeric value
from 1 to 255 that specifies the
number of iterations or
transmissions the packet can
undergo before it is discarded.
The default value is 7.
1 - 255
*.ECMD0 TTL #
Multicast
Connector
sets the physical connector (on
the rear of the unit) to use for
multicast transmit purposes on
the indicated encode channel.
Ethernet
!GigE
*.ECMD0 MCN #
Service Select
Select both services or single
service transport stream
ALL
ENC1
ENC2
*.ECMD0 MST #
Multi Mux Rate
Configures the TMR of the IP
output.
Note:only usable in SPTS mode
0 - 150 Mb/s
*.ECMD MMO #
Multi Mux Mode
Configure Multi Mux Rate to auto
or manual mode
Auto
Manual
*.ECMD MMO #
Note: Four IP destinations are available on the product.  The ‘#’ denoted in the IP Tx
Commands above are relevant to the four destinations indexed 0 - 3.

 
20