Technical information
Apollo Software Manual Chapter 10: Multi-Unit Cascading 172
Multi-Unit Wiring
This page explains how to interconnect multiple Apollo units and the Mac computer.
Device wiring example with Apollo 8, Apollo 16, and Apollo Twin
Cables Required
• One Thunderbolt cable for each Apollo unit
Important: All original (silver) Apollo and Apollo 16 units require the Thunderbolt
Option Card.
Apollo Expanded Wiring Notes
• A single Thunderbolt cable is required for all Apollo unit interconnections. Connect
one cable to the host Mac and one cable between Apollo units.
• Thunderbolt 1 or Thunderbolt 2 ports may be mixed and used for any/all connec-
tions.
• The Mac and all Apollo units must be connected to the same Thunderbolt bus.
• The Apollo device ordering and the Thunderbolt ports used (second port on Apollo
vs. second port on Mac, placement in daisy chain, etc) is not important.
• In the wiring example diagram, the Apollo 8 in the center is designated as the
monitor (master) unit. Connect speakers (including ALT speakers) to the monitor
unit only.
• Do not connect more than one Thunderbolt cable between the same two devices
(the Thunderbolt protocol is bi-directional).
• Do not interconnect any Word Clock, FireWire, ADAT, or MADI ports between any
Apollo units.
1
WORD
CLOCK
4 2
MIC/LINE IN
3 1
LINE IN
7 5
ADAT S/MUX
75 Ω
TERM
68R
L1357
248 6
WORD CLOCK
S/PDIF
POWER OUT
ON
OFF
IN
75 OHM TERM
WORD CLOCK
FIREWIRE
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)
Expander Unit
Monitor Unit
Thunderbolt
Mac
IMPORTANT: Connect speakers
and cue outputs to monitor unit only
Apollo Expanded
Multi-Unit Wiring
Thunderbolt Connections
Expander Unit
Monitor Speakers
ALT Monitor
Speakers
MIC/LINE 1
MIC/LINE 2
3 L
4 R
LINE OUT MONITOR
OPTICAL IN
OFF ON
POWER