Adtec digital mediaHUB-HD 422 (version 1.01.10_M_2) Manual User Manual

Page 47

IP Transport

Screenshot

Image reduced for clarity

The IP Transport sub-tab has four (4) menus (labelled Destination 1 through 4) to allow for the configuration of the four
possible multicast or unicast streams. All four menus feature the same controls.

Controls

Control

Function

Options

API Command

Multicast
Mode

enables sending of streaming MPEG over properly-configured ports
Multicast can be turned OFF or set to SEND mode. SEND Mode
transmits the current encode via the GigE port. Multicast group IP
and Port addresses must be specified.

Off = 0
Send = 2
note*: Multicast
Output via GigE
(eth1)

*.ECMD
MMO [option]

RTP

Turns RTP on or off
RTP allows for sequence numbering and timing, which are crucial for
the accurate playback of an audio or video data stream. Control is
editable if Multicast Mode is set to 'Send'.

Off = [0]
On = [1]

*.ECMD RTP

Multicast IPA

set the multicast send group Internet Protocol Address
Control is editable if Multicast Mode is set to 'Send'.

text field
(hexadecimal)

*.ECMD MSI

Multicast Port

Port number are used for sending UDP transfers in conjuction with
Multicast IPA. If the port number is set to 0, then no UDP transfers
will take place. 0 is default. Control is editable if Multicast Mode is
set to 'Send'.

1 - 65535

*.ECMD MSP

Type of
Service

used to select the type of multicast that will forward the packet

Normal
Minimize Cost
Maximize Reliability
Maximize
Throughput
Minimize Delay

*.ECMD TOS

Time-to-Live

specify the number of iterations or transmissions the packet can
undergo before it is discarded

text field

*.ECMD TTL

FEC
Parameters

Forward Error Correction; send two FEC RTP streams in addition to
a source RTP stream enabling a receiver to reconstruct missing
packets in the source stream. Used in conjunction with L and D
values; described below.

Off
On (when RTP is
also selected 'on')

*.ECMD FEP

FEC L Value

affects the maximum burstpacket loss that can be recovered

text field; 4-20

*.ECMD FEP