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TD-000347-00-B
Q-Sys™ Core 250i | Core 500i | Panel Features
Figure 7, Figure 8, and Figure 9 show the Q-Sys Core front and rear panel features. The front panel is identical for the Core 250i and 500i. The rear 
panels are shown with all eight I/O cards installed. The cards shown are intended to show all the slots in a populated condition, and not to indicate 
any particular confi guration.
NOTE:  
The Q-Sys hardware products are confi gured at the QSC factory per your order. At the time of order, you specify the type of 
Q-Sys Audio I/O Cards to be installed in the Audio I/O bays on the Q-Sys Core. In addition, Q-Sys Audio I/O Card Kits are available for 
fi eld installation by qualifi ed service personnel.
Front Panel 
Rear Panel Core 250i
— Figure 7 —  
1 2 4 5
6
7
8
9
3
1. Exhaust Vents
2.  Audio I/O Signal Indicators
3.  Card Present Indicators
4.  240 x 64 Monochrome Graphics LCD (fl ashes when the ID button in 
Q-Sys Designer or Q-Sys Confi gurator is pressed.
5.  Next Page Navigation Button
6.  Device ID Button (locates device in Q-Sys Designer GUI)
7.  Status LED (reports network health and fi rmware update status)
8.  Clear Settings Paperclip Button (resets everything on the Core; does 
not delete any media fi les) 
9.  Power On LED
1.  Eight Audio I/O Bays — accepts Q-Sys Type 2 audio I/O cards
2.  GPIO A and GPIO B Female DA-15 connectors for Q-Sys control I/O
3.  Four Auxiliary Ports — USB host connectors
4.  Q-LAN Network Port, LAN A — 1000 Mbps only, primary connection to 
Q-Sys gigabit network
5.  Video Out — HD-15 female connector For future use
6.  Video Out — DVI female connector For future use
7.  RS-232 — DE-9 male connector for serial communications
8.  Q-LAN Network Port, LAN B or AUX LAN — (1000 Mbps only when 
used in Q-LAN LAN B mode, 10/100/1000 Mbps when used in AUX 
mode) backup connection to Q-Sys gigabit network 
9.  AC Main Inlet — IEC male connector with cord retainer
10. Power Switch
11. Serial Number
— Figure 8 —  
2
4 5 63 7
9
1
10
8
11