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Printer Friendly
Data Sheet (pdf)
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For Information Call
888-886-7465 |
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System Features:
IEEE-1588 PTP v2
Grandmaster Clock
Supports NTP, SNTP,
Telnet
Supports IPv4 and
IPv6
100ns accuracy
over
Ethernet
GPS Receiver:
Standard Civil C/A-Code
(L1) Frequency or
SAASM GB-GRAM
C/A-P(Y)-Codes (L1,L2)
User Interfaces:
- RS-232
- Dual Ethernet 10/100
(Telnet, SNMP, NTP)
- Keypad, LCD
Windows GUI:
Zyfer Monitor™
Three I/O Module slots
for customization
Certification:
All units are certified to
an in-house NIST standard
traceable to UTC
Support:
Lifetime support and
software upgrades included |
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PTPSync
III
Model 391 |
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The PTPSync III™ is a compact 1U
high, 19" rack mountable GPS time and frequency instrument
based on the FEI-Zyfer’s CommSync II® family of time and
frequency systems. When requirements call for Precision Time
Protocol v2 (PTP v2), where space is at a premium and when
redundancy is not required, the modular design of the
PTPSync III offers the perfect solution.
The PTPSync III comes configured
with either a civil-use GPS receiver, using the C/A signal,
or with a military SAASM GPS receiver, using either the
L1-P(Y) or the L2-P(Y) signal. The standard off-the-shelf
configuration supports the IEEE 1588-2008 (PTP v2) protocol
as well as Network Time Protocol (NTP) and SNTP. The PTPSync
III provides
three I/O module slots for customization of the system using
FEI-Zyfer’s hot-swappable option modules. Configurable
option modules include IRIG, Have Quick, Programmable Clock
Rate, Frequency Synthesizer, Phase Aligned, and Low Phase
Noise outputs
(other options available).
There are two RS-232
communications ports and two Ethernet ports on the rear
panel for remote system monitoring and control functions.
This allows the system to be connected to a control PC or
second network for system control and monitoring via Telnet
or SNMP
with SSH.
IEEE 1588-2008 is designed
for small LANs requiring precise timing and synchronization
beyond what can be attained with NTP v4. FEI-Zyfer’s PTP v2
products are fully compliant with the IEEE 1588–2008 (PTP
v2) protocol. PTP v2 includes enhancements over previous PTP
versions, such as transparent clocks for improved accuracy,
fault tolerance, and
faster update rates.
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Rear Panel View |
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Comm. Port,
1 PPS, 10 MHz,
Antenna |
IEEE 1588-2008 (PTP v2) Output
Module and 3 additional
Hot-Swappable Output Option Module Slots |
Power Supply
AC or DC |
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Ethernet Specifications
(both ports,
except as noted) |
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Connector
Type |
(2) RJ-45 Auto MDI/MDIX |
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Signal |
10/100Base-TX |
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Configuration |
IPv4, IPv6 address, netmask and gateway selected by user
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Compatability |
Ethernet version 2.0/IEEE 802.3 |
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SNMP
Support |
MIB2, and FEI-Zyfer custom MIB, SNMPv1, v2c and v3 |
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NTP
Support |
Version 1,2, and3, and SNTP |
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PTP
Support (Port 0 only) |
IEEE-1588-2008 (PTPv2) |
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Command
Protocol |
Per FEI-Zyfer Document 385-8002 |
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Output
Specifications (a) |
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Frequency
Accuracy: |
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24 Hour
Average |
Rubidium
Oscillator |
Quartz
Oscillator |
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Locked to GPS |
< 1E-12 |
< 1E-12 |
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Holdover
(b)
-
first 24 hours |
< 5E-11 |
< 1E-10 |
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Time
Accuracy: - to UTC, for calibrated units
(c) |
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Rubidium
Oscillator |
Quartz
Oscillator |
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Locked to GPS |
< 50ns Peak |
< 50ns Peak |
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Holdover
(b)
-
first 24 hours |
< 3μs |
< 7μs |
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Short
Term Stability (d)
typical: |
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Allan
Deviation |
Rubidium
Oscillator |
Quartz Oscillator |
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1 sec |
< 3E-11 |
< 1E-11 |
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10 sec |
< 1E-11 |
< 1E-11 |
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100 sec |
< 3E-12 |
< 1E-10 |
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Phase
Noise (d)
typical: |
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Standard
Output |
Low Noise
5MHz |
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1Hz |
< -90
dBc/Hz |
< -105
dBc/Hz |
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10Hz |
< -105
dBc/Hz |
< -130
dBc/Hz |
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100Hz |
< -125 dBc/Hz |
< -150 dBc/Hz |
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1kHz |
< -135 dBc/Hz |
< -158 dBc/Hz |
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GPS
Receiver Options |
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Standard
GPS Receiver - Civil C/A-Code: |
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Type: |
8 to 12 channel, independent
tracking |
| Frequency: |
1575.42MHz
(L1) |
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Code: |
C/A |
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Acquisition
Time: |
Warm Start: <
2 minutes, Cold Start: < 20 minutes. |
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SAASM
GPS Receiver - Military P(Y)-Code:
(e) |
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Type: |
12 channel, independent
tracking |
| Frequency: |
1575.42MHz
and 1227.60MHz (L1 & L2) |
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Code: |
C/A and P(Y) |
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Acquisition
Time: |
Warm Start: <
2 minutes, Hot/Cold Start: Dependent on
Initialization Device
(f). |
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Keyload
Interface: |
DS-102 (Red &
Black-key) |
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Standard Input/Output
(Rear Panel) |
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| 1PPS,
50Ω, TTL level, BNC, Ext. Sync Input |
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RS-232
I/O connector |
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10 MHz, 50Ω, TTL level,
BNC connector |
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1PPS, 50Ω,
TTL level, BNC connector |
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GPS Antenna,
TNC connector |
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Input/Output
Front Panel (SAASM Only) |
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Keyload Interface -
DS-102 (Red & Black-key) |
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Hot Start connector
(optional) |
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Zeroize Button |
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Power
Options |
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Several Power Input
options are available, including 115/230 VAC 50/60 Hz or 12-48 VDC. |
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Chassis Physical
Dimensions |
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Height: |
44 mm (1.75") (1U) |
| Width: |
448 mm (17.65)
(19" EIA Rack) |
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Depth: |
381 mm (15.0")
including connectors |
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Weight: |
10 lbs. (max.) |
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Environmental |
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Operating
Temperature: |
0° C to 50° C |
| Rate
of Change: |
10° C/Hour |
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Storage
Temperature: |
-40° C to
+85° C |
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Relative
Humidity: |
5% to 95%,
non-condensing |
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Altitude,
Operating: |
-60m to 4000m |
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Altitude,
Storage: |
-60m to 9000m |
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Notes: |
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(a) After 24 hours of
GPS locked operation, fixed antenna location,
antenna delays entered. |
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After 48 hours of continuous operation. |
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(c) 2σ (95.5%
probability). |
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(d) Detailed
specifications for various output modules: See
"Option Module User's Manual 385-8003". |
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(e) The sale of
SAASM receivers is restricted to users
authorized by the U.S. Department of Defense. |
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(f) Dependent on the
accuracy of initialization parameters from PLGR
or DAGR handheld SAASM GB-GRAM receivers, or
other initialization devices. |
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