Universal-audio Apollo 16 User Manual download pdf (Page 14)

Apollo 16 Hardware Manual Rear Panel 14

(4) Power Input

The included 80-watt external power supply plugs into this 4-pin locking XLR jack. Apollo 16 requires 12 volts

DC power and draws approximately 40 watts. During typical operation when a bus-powered Thunderbolt periph-

eral is attached to the Thunderbolt Option Card, the system can draw up to 55 watts.

To eliminate risk of circuit damage, connect only the factory-supplied power supply. Use the Power switch on

the front panel to power the unit on and off.

Important: Do not disconnect the power supply while Apollo 16 is in use, and conﬁrm the Power

switch is in the “off” position before connecting or disconnecting the power supply.

Digital I/O

POWER OUT

OFF

75 OHM TERM

WORD CLOCK

FIREWIRE

UNIVERSAL AUDIO, INC.

PORT 1

( )

PORT 2

( )

MON OUT (R) 2 MON OUT (L) 1

LINE OUT 1-8 LINE IN 1-8

LINE IN 9-16

MADI OUT MADI IN

AES/EBU OUT AES/EBU IN

PUSH

LINE OUT 9-16

1394 800 (1) 1394 800 (2)

1110

1 2 3

(5) Word Clock Out

This BNC connector transmits a standard (1x) word clock when Apollo 16 is set to use its internal clock. The

clock rate sent by this port matches the current system sample rate, as speciﬁed in the Interface panel of the

Console Settings window within the Console application.

When Apollo 16 is set to use external word clock as its clock, Apollo 16 is a word clock slave. If the incoming

external word clock is within ±0.5% of a supported sample rate (44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz,

192 kHz), Word Clock Out will mirror Word Clock In with a slight phase delay (about 40ns).

(6) Word Clock In

Apollo 16’s internal clock can be synchronized (slaved) to an external master word clock. This is accomplished

by setting Apollo 16’s clock source to Word Clock in the Interface panel of the Console Settings window within

the Console application, connecting the external word clock’s BNC connector to Apollo 16’s word clock input,

and setting the external device to transmit word clock. If Apollo 16 is the last device in the clock chain, the

Termination switch (7) should be engaged.

Note: Apollo 16 can be synchronized to an external “1x” clock signal only. Superclock, overclocking,

and subclocking are not supported.

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Universal-audio Apollo 16 User Manual Page 14

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