Network operations | 29
10 : 4.4. Two degree redundant daisy chain
If the amplifiers in the daisy chain are fed with mono
signal and the channel of each unit are linked – so that to
use the same input signal (ref.
Chapter 9 : 10.1. Source selec-
tion
) –, a two degree redundant connection topology can be
achieved.
Taking advantage of the “if no link” features in the
Network settings menu (ref.
Chapter 10 : 5.Network settings
menu
), the K Series can switch to the analog input when the
KAESOP stream fails. Bearing this in mind, it is possible to
achieve high degree of redundancy exploiting both digital
and analog inputs.
Remember that when operating with digital inputs – i.e.
AES3 and AESOP – channel link must be achieved via soft-
ware: do not switch the link pushbutton.
The network topology is described in
FIGURE 46
.
AESOP
AES3-A stream
Control data stream
Port 1
(primary)
Port 2
(primary)
XLR
AES3
AES3
source
Network
data input
Port 3
(secondary)
Port 1
(primary)
Port 2
(primary)
XLR
AES3
Port 3
(secondary)
Port 4
(secondary)
Port 1
(primary)
Port 2
(primary)
XLR
AES3
Port 3
(secondary)
Port 4
(secondary)
Port 1
(primary)
Port 2
(primary)
XLR
AES3
Port 3
(secondary)
Port 4
(secondary)
Audio
Audio + Data
Audio + Data
Audio + Data
Data
Audio
Data
Repeat AES3-A
from PORT 2 to PORT 1
Repeat AES3-A
from PORT 2 to PORT 1
Repeat AES3-A
from PORT 2 to PORT 1
Forward to AES3-A
1
2
3
4
Port 4
(secondary)
FIGURE 44: Daisy chain with AES3 and
Ethernet redundancy - four port models.
AESOP
AES3-A stream
Control data stream
XLR
AES3
AES3
source
Network
data input
Port 1
(primary)
XLR
AES3
XLR
AES3
XLR
AES3
Port 1
(primary)
Port 2
(primary)
Port 1
(primary)
Port 2
(primary)
Port 1
(primary)
Port 2
(primary)
Audio
Audio + Data
Audio + Data
Audio + Data
Data
Data
Repeat AES3-A
from PORT 2 to PORT 1
Repeat AES3-A
from PORT 2 to PORT 1
Repeat AES3-A
from PORT 2 to PORT 1
Forward to AES3-A
1
2
3
4
Port 2
(primary)
FIGURE 45: Daisy chain with AES3 and
Ethernet redundancy - two port models.
AESOP
AES3
Analog
AES3-A stream
Control data stream
Port 1
(primary)
Port 2
(primary)
AES3
source
Network
data input
Port 3
(secondary)
Port 1
(primary)
Port 2
(primary)
Port 3
(secondary)
Port 4
(secondary)
Analog
source
ADC
Port 1
(primary)
Port 2
(primary)
XLR
AES3
CH2
XLR
AES3
CH2
XLR
AES3
CH2
Port 3
(secondary)
Port 4
(secondary)
Port 1
(primary)
Port 2
(primary)
XLR
analog
CH 1
XLR
analog
CH 1
XLR
analog
CH 1
XLR
analog
CH 1
XLR
AES3
CH2
Port 3
(secondary)
Port 4
(secondary)
Audio
Audio + Data
Audio + Data
Audio + Data
Data
Audio
Audio
Data
Repeat AES3-A
from PORT 2 to PORT 1
Repeat AES3-A
from PORT 2 to PORT 1
Repeat AES3-A
from PORT 2 to PORT 1
Forward to AES3-A
1
2
3
4
Port 4
(secondary)
FIGURE 46: Two degree redundant daisy chain
via AES3, Ethernet and Analog input.
