LAWO mc256 MKII, Техническое руководство

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mc²56 MKII Technical Manual V5.10.2/1 12
Chapter 1: Technical Overview
Hardware Components
Compact I/O
Front View
As an alternative to DALLIS I/O , the Compact I/O is a 5RU stagebox with a fixed amount of I/O that connects to
the Nova via RAVENNA technology.
Each unit provides 32 mic/line in, 32 line out, 8 AES in, 8 AES out, 8 GPIO and 1 MADI port, and is fitted with
dual redundant power supplies. Each stagebox is delivered as a self-contained unit and comes with the required
RAVENNA network cable.
From Version 5.10.0 software onwards, the Compact I/O can connect via either RAVENNA Link or RAVENNA
Net - the type of connection is defined in the AdminHD configuration. Note that it is important to connect to the
correct port. Connections are made using standard CAT 5/6/7 Gigabit Ethernet, RJ45 connectors, crossed or
straight (1:1) cable, up to 80m. A network cable is delivered with the
Compact I/O .
Using RAVENNA Link
RAVENNA Link connections must be directly wired. Providing the correct RAVENNA port is connected (to match
the AdminHD configuration), the interface is self-configuring. Thus, once you have connected the ports (e.g. from
the Nova to Compact I/O), no further network configuration is necessary.
Warning
To guarantee low latency, reliability and easy setup, do NOT connect any other network equipment between
RAVENNA Link connections.
Using RAVENNA Net
RAVENNA Net connections must be made via the streaming network (i.e. to the RAVENNA network switch). This
will ensure that the network's PTP clock signal (essential for RAVENNA streaming) is available to the streaming
port. In this instance, you must make sure that the correct RAVENNA role names are configured (within
AdminHD and each partnering device) and, in the case of any virtual devices, that the streaming IP address is
also defined. For full details, please refer to the "RAVENNA for mc
2
/Nova User Guide".
Warning
RAVENNA streaming requires proper configuration and management of the data network. The network must
use a suitable architecture; all components must support multicast (as opposed to unicast); a proper Quality
of Service (QoS) must be configured; and so on. Please
DO NOT attempt to connect RAVENNA interfaces
using an unknown or unqualifying IP network. If you do so, correct streaming operation cannot be
guaranteed.
For more details, see RAVENNA Interfaces .