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PROMATRIX 9000
4.11
Static IP in fail safe mode
When a system controller or a power amplifier switches to fail-safe mode, its static IP-address
is set to a DHCP or a link-local address.
If necessary, use the PRAESENSA Network Configurator to check the network mode and return
it to a static IP.
4.12
ARNI V8.41
In a life safety system, version 1.61 of PROMATRIX 9000 cannot be used in combination with
an 8.41 or early versions of the OMN-ARNIE/OMN-ARNIS devices.
5
Missing functions
System functions that are mentioned in the documentation, but have been postponed.
5.1
System controller
The PM9-SCS System controller small and PM9-SCM System controller medium are postponed
to a later release. The PM9-SCL System controller large performs effectively equal or better
than the smaller versions.
5.2
License for Multi-controller functionality
One PRA-LSPRA License for PRAESENSA subsystems is required per subsystem. Contact
Bosch to request the license.
6
Known limitations
System functions that are implemented but with limitations. In some cases workarounds are
given.
6.1
Firmware upload to call station fails
The MTU (Maximum Transmission Unit) of the call stations is 1468. When the MTU of the PC
network adapter that is used is set to a lower value than 1472 (1468 + 4), the data packets are
split across different frames; the FWUT (Firmware Upload Tool) cannot handle this and will
disconnect.
Check the actual MTU value of the network adapter by opening a cmd‑window (with
administrator rights) and enter:
netsh interface ipv4 show subinterface
If the MTU value is too low, it can be increased temporarily to a higher value by entering:
netsh interface ipv4 set subinterface
"<name of interface>" mtu=1500
store=persistent
Then try again.
6.2
Dante multicast
Only use Dante unicast streams between a Dante device and the system controller to prevent
multicast addressing conflicts, that can result in audio distortion or not being able to setup a
call.
6.3
Scheduled calls
If a scheduled call is activated by a button of a call station extension, the scheduled time
intervals are ignored and the call starts immediately. Scheduled calls can only be started from
a control input.
Dynacord
Release notes
Missing functions | en
13
2022-12 | V1.70 |
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