RIVAGE PM7 System Setup Guide
11
TWINLANe network
TWINLANe is Yamaha’s proprietary audio transfer
network protocol. With this protocol, 400-channel digital
audio and control signals can be transfered via a single
cable simultaneously.
To connect devices, first install a TWINLANe network
card in an HY card slot of each device, then use fiber optic
cables to connect the TWINLANe network cards in a ring
network topology.
* If the number of connected devices is much larger, or if the
total length of all cables is too long, the listed value may not
apply.
NOTE
Yamaha recommends that you use opticalCON DUO fiber cable
made by Neutrik. In general, fiber optic cables are susceptible to
bending or pulling. Use a fiber optic cable that features a strong
plastic jacket and lock mechanism to avoid cable-related
problems.
About cleaning
If dirt or dust attached to the contact surface of jacks on
the fiber optic cables or connectors on the device, data
may not be transferred properly. Clean the contact surface
of jacks and connectors regularly using a commercially-
available fiber optic cleaning tool.
Ring connection
A TWINLANe network uses a ring topology, which
provides redundancy in case of broken cables. If a cable in
the network breaks down for some reason, the signal will
be automatically re-routed and audio will flow without
interruption. Even if a device in the network malfunctions,
other working devices will be able to continue
communicating.
■
Normal situation
■
When a cable is broken
About network card
The RIVAGE PM7 system uses an TWINLANe network
card to configure the I/O network.
* Total cable length for the ring connection using TWINLANe
cards can span up to 6 kilometers.
Transferred data
400-channel audio signal and control
signal
Sampling frequency
44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz
Network latency*
11 sample@Fs= 44.1 kHz (0.25 msec)
11 sample@Fs= 48 kHz (0.23 msec)
12 sample@Fs= 88.2 kHz (0.14 msec)
12 sample@Fs= 96 kHz (0.13 msec)
Bit-length
32-bit
Topology
Ring
.....
IN
OUT
N
I
N
I
OUT
OUT
Device
TWINLANe
Network Card
Device
TWINLANe
Network Card
Device
TWINLANe
Network Card
TWINLANe network
card
HY256-TL
HY256-TL-SMF
Connection cable
Multimode fiber
optic cable
Singlemode fiber
optic cable
Maximum cable length
between devices
Max. 300m
Max. 2km*
Maximum number of
channels
256-in/256-out
IN
OUT
IN
OUT
IN
OUT
IN
OUT
IN
OUT
IN
OUT
Even if a cable is severed at one point, the
signal will be re-routed automatically and
communication will continue without
interruption.
Summary of Contents for CSD-R7
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