EXFO FTB-1, User Manual

Page: 37 / 675

Physical Interfaces and LEDs
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EXT CLK
EXT CLK
The FTB-700G/800 Series provides one connector, labeled
EXT CLK
that
can be used either for input/output external clock DS1 (1.5M), E1 (2M),
2MHz, or 1PPS synchronization signal. 1PPS is available for
Dual Test Set
in
One-Way Latency measurement mode. The connector type is BNC SMB
for coaxial 75-ohm cable connection. An adapter cable (BNC to Bantam) is
required for Bantam connection (not supplied).
Headset/Microphone Port (FTB-1)
The headset port can be used with the ISDN PRI test application to connect
a headset allowing to talk and listen when calls are made and received.
Note: Refer to FTB-1 User Guide for instructions on configuring the
Headset/Microphone settings.
C
AUTION
When using speech over ISDN (ISDN PRI test application), use only
the headset supplied by EXFO to ensure adequate protection.
Headset/microphone port