Chapter 3: DADman Software
17
To setup the DigiLink configuration:
Click the
DigiLink
button and select either
Pri/Exp
(when using a single DigiLink Mini port to connect to your HDX or HD Native
hardware and the other DigiLink port to connect to an expansion Pro Tools audio interface) or
Pri/Pri
(when using a both DigiLink
Mini ports to connect to your HDX or HD Native hardware) from the
DigiLink mode
selector.
To change the audio interface emulation:
Click the
DigiLink
button and select
MTRX 32x32
from the
Port 1 emul
selector. If
DigiLink mode
is set to
Pri/Pri
, also select
MTRX
32x32
from the
Port 2 emul
selector.
MADI Coax Interface
The built-in MADI Coax interface can be configured for compatibility with different implementations of MADI.
Frame rate
Can be set to
Legacy
or
High
, but only if the sample rate is higher than 48 kHz. If the sample rate is 44.1 kHz or 48 kHz,
the Frame rate is always
Legacy
. In Legacy mode, the MADI Frame length is maintained and adjacent channels are “merged” into one
channel. In High mode, the MADI Frame length is reduced rate and consequently the Frame rate is increased. Because of this difference,
High mode has lower latency than Legacy mode. Please note that some third-party MADI products may not support High mode.
Frame size
Can be set to
Normal
or
Extended
. Normal mode supports up to 56 channels whereas Extended mode supports up to 64
channels.
Ch. status
Can be set to
Default
or
Transparent
. This setting is only relevant when routing incoming AES/EBU or MADI channels to
a MADI output. In Default mode, the MADI Channel status bits are
defined by the MTRX, whereas in Transparent mode the channel status bits from the relevant source (AES/EBU or MADI) are trans-
ferred to the outgoing MADI signal. In most cases it is best to leave it in
Default mode.
Input rate
Can be set to
Auto
or
As AD
. In Auto mode, the MTRX determines the sample rate of the incoming MADI signal. In As AD
mode, the MTRX assumes that the incoming MADI has the same sample rate as the MTRX. It is usually recommend to leave this set
to
Auto
. However, there may occasionally be compatibility issues with third-party products, in which case, setting it to
As AD
may solve
any problems.
Optical 1 / Optical 2 Interface
When a MTRX Dual MADI IO option card or MTRX MADI option card is installed, the Optical MADI interfaces can be configured
for compatibility with different MADI implementations.
Mode
Can be set to
Disabled
,
MADI
, or
NTP HotLink
. The optical interface board can be fitted with one or two SFP optical interface
modules. It is recommended that you set the optical interface to
Disabled
if no SFP optical module is installed. Select
MADI
to use the
interface with a MADI signal.
MADI Coax configuration options
Hotlink supports 128 channels at 48 kHz. MTRX can support up to 10 Hotlink connections with a MADI Expansion card installed in each
of the 8 Expansion card slots and a Dual MADI IO module installed in the mini-module slot (which supports 2 Hotlink connections). This
is useful in broadcast audio workflows. Hotlink is only supported at the sample rate of 48 kHz.