5.2.7.1 STL Option Module [1204-3E]
SatellesSatellite Time and Location (STL) signal is broadcast on Iridium satellites and
offers a spoofing-resilient encrypted signal that is 1000x stronger than GNSS-based timing
signals. Hence, it is difficult to jam, and it can be received indoors.
STL is a subscription-based service. Please contact Spectracom for details.
A SecureSync equipped with the STL 1204-3E option card can be operated with or
without GPS, depending on your application, i.e. STL can be utilized as a backup, or as the
only external timing source.
Note: Devices are shipped with the STL subscription deactivated. It is
necessary to contact customer service to activate the subscription: stlsub-
scription@orolia.com US: +1 585 321 5800; France: +33 (0)1 64 53 3980.
For subscription renewal information, see "Renewing Your STL Subscription" on
page485
Hardware Installation
1.
If your STL option card was purchased together with a SecureSync unit, the card
will be pre-installed in the unit. Proceed to Step 3.
2.
If you purchased your STL option card separately, you will need to install the card
into the SecureSyncunit. For instructions, see the hard copy of the Option Card
Installation Guide that shipped with the unit, or see the Field Installation instruc-
tions in the user manual.
Note: The -3E card can be installed in any free card slot.
3.
Install the SecureSync unit in its assigned location e.g., in a server rack.
4.
Install the supplied STL satellite antenna: The antenna is designed for indoor use.
The ideal location for the antenna is near the ceiling of the room in which your
SecureSync unit is located, or near an outside wall. In general, a higher location is
preferable over a lower location. Do not cover the antenna with electronic equip-
ment or other metal objects.
SecureSync 2400 User Manual 479
APPENDIX
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