EXFO OSA20 Getting Started page 9

Ventilation Holes
Ethernet Port #2
Ethernet Port #1
Serial Ports (x2)
(unused)
Connectors
External Screen Connectors
You can connect an external screen to the following ports:
VGA port

DVI port

HDMI port

For more details on how to configure the external screen settings, see OSA20 User Guide,
Sharing the OSA20 Display with an External Screen on page 29.
Trigger Ports
The trigger ports enable you to synchronize scans with a signal (see Interfaces and Electrical
on page 3 for more details on signal levels).
TRIG OUT: BNC connector for outputting trigger signals. For more details, see OSA20

User Guide, Generating Output Trigger Signals on page 51.
TRIG IN: input BNC connector for starting scan in synchronization with an external

trigger signal, as described in OSA20 User Guide, Triggering the Optical Spectrum
Acquisition on page 50.
In RLT mode, this port is used as a gate: in OSA20 User Guide, see paragraphs RLT –
Recirculating Loop Transmission on page 37 and Gate Acquisition (RLT mode
only) on page 45.
OSA20
VGA Port
Screen DVI Port
HDMI Port
Introducing the OSA20
Product Overview
Trigger OUT
Trigger IN
USB 2.0-B port
Audio Ports
(unused)
USB 3.0-A Ports (x2)
USB 2.0-A Ports (x2)
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