Midi In/Out; 48 Khz Clock In/Out; Video Sync In; Rmb Remote Meter Bridge - Alesis BRC Reference Manual

The MIDI input and output connectors are 5-pin DIN jacks. MIDI
input is provided for receiving various MIDI messages. MIDI output
is provided for generating MTC, MIDI Clock, and system exclusive
messages.
For more information about MIDI, see section 5.3.

2.5 48 KHZ CLOCK IN/OUT

The 48 KHz output signal is a 75
The input can accept a TTL or CMOS level square wave input. Both
input and output are provided via BNC-type connectors.
For more information about synchronizing to 48 KHz clock, see
section 5.0C.

2.6 VIDEO SYNC IN

This BNC-type connector input can accept composite video as well as
black burst video inputs. The BRC will automatically recognize the
type of video signal (NTSC, PAL or SECAM) and its sample clock can
be synchronized to the incoming video signal.
For more information about video sync, see section 5.0C.

2.7 RMB REMOTE METER BRIDGE

To connect the Alesis RMB Remote Meter Bridge, use dual male, 9-
pin D connector cables from the Bridge Out connector of up to four
ADATs to each of the RMB's four input connectors. Please refer to the
RMB Owner's Manual for more information on hook-up and
operation.

2.8 FOOTSWITCHES

Any momentary single-pole/single-throw footswitch, normally open
or normally closed, will work for the two footswitch functions. These
should be plugged in prior to power-up so that the BRC can configure
itself for the type of footswitch being used.

2.9 RACK-MOUNTING

The four end blocks surrounding the BRC may be removed, if you
TTL level square wave output.
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