Go to Contents Precise Time and Frequency, Inc., 50L Audubon Road, Wakefield, MA 01880, USA ptf 3207A rev G
Tel: +1-781-245-9090 e-mail: info@ptfinc.com www.ptfinc.com pg. 34
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4. User Interfaces
The ptf 3207A features four user interfaces for controlling the ptf 3207A’s functions:
• A keypad/display interface on the front panel of the ptf 3207A
• A command line interface, available through the serial port
• A command line interface, available through the Ethernet port
• A web interface, available from a browser connected to the ptf 3207A’s Ethernet port.
There are also three Status LEDs on the front panel:
Label Type Function
Power Green LED Illuminated when power is connected
Lock Green LED Extinguished until external reference is valid
Green LED Flashing while internal oscillator is locking to the reference source
Green LED Illuminated when internal oscillator is locked to the reference source
Fault Multi Color LED Flashing Amber while waiting for external reference to be valid
Solid amber when external reference is valid and oscillator is locking
Extinguished when external reference is valid and oscillator locked.
Solid amber when unit is in holdover
Flashing Green/Red when selected reference is not present
Solid Red if there is a catastrophic fault
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