Euphonix Modular I/O Specifications download pdf (Page 10)

Modular I/O Configuration Guide10

IO94 Stagebox Frame

The IO94 Stagebox Frame is a 3RU frame with redundant PSU and a single backplane. It is ideally suited for stagebox applications

and local I/O. Master sync source module(s) must be installed in one (or two) of the four red slots in the rear plane near the power

outlet before applying AC power. Spare red slots may be used for other modules.

Redundant MADI-over-Fiber Configurations

The IO94 Frame’s size and power are ideal for stagebox applications in which a MADI I/O module in Master mode serves as the

master sync source. This lets the frame lock to incoming MADI without connecting a separate sync cable to the stagebox.

The MM935 MADI I/O (coaxial I/O) is useful for shorter distances. The MM936 MADI I/O (redundant multi-mode fiber) is useful

for longer connections. The MM936 auto-switches between fibers if either fails. Multi-mode fiber can be easily converted to sin-

gle-mode using third-party products, thus letting standard SMPTE camera cables connect to the stagebox.

Top view of IO94 Frame layout

IO94 Frame Parameters

Master Sync

Source

The IO94 Frame consists of one sync zone and requires a single master sync source, typically an SY983 Sync HD module

or two SY983s configured in redundant sync mode.

Another I/O module with Master mode may be used as an alternate master sync source, but not with an SY983.

Control

Configuration

The IO94 Frame must be fitted with an FC972 Remote to control mic preamps remotely and configure externally controlled

modules using a web browser. Install only one FC972 in the frame in any position.

Frame Space The IO94 Frame has one backplane with 19 module slots.

Power The IO94 frame contains dual-redundant PSUs: 20 A @ 5 VDC.

Audio Busses

The backplane has 32 audio busses each of which may be used in 2CH or 8CH mode, depending on the configuration of

the frame’s modules.

To use the MM936 MADI I/O (redundant fiber) in a stagebox, the redundant fiber must be converted to coaxial MADI to

connect to the console. An MM936+MM935 may be fitted in a console-side frame to accomplish this conversion. Alternatively,

if fiber auto-switching is not required, third-party MADI fiber-to-coaxial converters are available.

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Euphonix Modular I/O Specifications Page 10