DOC06501_Revision F
ATS-6501 Users Guide
2
Option F (Front Panel Memory Card): Provides access to the unit’s non-volatile memory
via the front panel. This option allows users to perform a complete software upgrade in the
field without returning the unit to Symmetricom. Additionally, the unit can be declassified
by simply removing the flash card from the system.
Option R (Internal Rb Reference):
Integrates an internal Rubidium (Rb) frequency reference
as part of the unit. This allows the unit to operate without using an external frequency
reference as well as steer the internal reference based upon the clock offset and GPS
measurements.
Output Cards:
The ATS-6501 has five output cards available:
1. 4395A-10 Four 10Mhz Outputs
2. 4395A-5 Four 5Mhz Outputs
3. 4394A Programmable PPS and DC IRIG Module. Users can define the
signal types and operating parameters. Default set up is two
1PPS Outputs and two DC IRIG Outputs(Default = B000)
4. 4387A Four Modulated IRIG Outputs (Default = B120) or NASA36
5. 4372A Four output single mode fiber optic module for supplying signals
to a TSC-4340 or ATS-6511
OP001 USB Console Cable:
Allows users to connect to the system Command Port via a
serial cable.
OP002 USB External Reference Communication Cable:
Provides a serial communications
port to an external frequency reference (i.e. 5071A).
TSC-4340AS-8S
: 1 U fiber expansion chassis with single mode input and 8 single mode
outputs
Notes:
1. The correct Symmetricom part number is constructed by appending the desired options to the base
model in alphabetical order. None of the options are mutually exclusive so users can select as many options
as desired.
Example Part Number: ATS-6501-DFR
Description: Tflex with 1 AC input and 1 DC input option, front panel memory option, and internal rubidium
clock reference option.
2. Antenna cables sold separately.
3. All units include an antenna, network time protocol (NTP), RS232 control of an external 10 MHz source
via USB, Ethernet control, and data logging capabilities.
4. Contact Symmetricom (www.symmetricom.com
) for current pricing and availability.
5. OP001 and OP002 are DTE; this may require the use of a null modem serial cable.
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