UPU-LeoNTP-1200
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LeoNTP 1200 (Network Time clock)

$650.00

LeoNTP Time Server 1200 is a Stratum 1 Master Clock / Time server with GPS synchronised clock source designed from the ground up with the sole purpose of providing a cost effective but highly accurate and extremely high performing networked time server. Extremely easy to setup and configurable with flexible power options USB/PoE (802.3af) it can provide accurate synchronised time for your LAN, WAN, CCTV, PLC, Telephone systems or anywhere accurate standalone time is required.

Optional 1U rackmount for mounting one,two or three units (Rack mount kit comes with shelf, screws and 2 blanks. Each kit can take one, two or three LeoNTP 1200 units)

Optional DIN Rail Mounting Kit

Unit can sustain 100Mbps (> 100,000 NTP Packets a second)

Traditional Master Clocks either have high performance or low cost. With LeoNTP Time Server 1200 you can have both in the same package.

Key Features

  • True Stratum 1 NTP Compatible Master Clock / Time Server.
  • Can serve tens of thousands of clients.
  • Very cost effective
  • Supports NTP/SNTP
  • Front TFT Display for time display and configuration




Network:
10/100Mb RJ45 Autosensing
IPV4 DHCP/Static IP
IPV6 SLAAC/Static (DHCPv6 not supported)

Time:
NTP V2, V3, V4, SNTP V3, V4

NTP Requests/sec:
>100K (Wire speed) per unit.
> 1million concurrent clients typical

GPS:
72 Channel
-167dBm Sensitivity
Power for active antenna supplied via bias tee.

Power:
USB/ 48V PoE 802.3af

Timing Performance:
GPS Accuracy:
30ns RMS, 60ns 99%
Cold Start acquisition < 30s

NTP Accuracy:
< 1µS Hold over on loss of GPS signal Typically 1-4ms in 24 hours Reverts to Stratum 16 after 24 hours with no GPS

Mechanical Dimension:
140mm x 170mm x 45mm

BNC Output:
PPS/1Mhz/10Mhz Accuracy 30ns RMS, 60ns 99%

Warranty:
1 year RTB
Lifetime Firmware updates and support.

In The Box :
1 x LeoNTP Time Server 1200 Device
1 x GPS Puck Antenna with 3 meter cable
1 x USB Cable
1 x 2 meter RJ45 Patch Cable

See associated items for external timing antenna and BNC to MCX cables.

Documents:
LeoNTP 1200 Time Server Manual


Latest Firmware


Frequently Asked Questions:

Q/ Is this unit based on Linux and NTP ?
A/ No the hardware and code running it are completely propriety and don’t use any source code from Linux or NTP. This is done to ensure maximum performance with no overheads and security issues.


Q/ Can I configure it via HTTP/Telnet ?
A/ No. Running a web server on this device although entirely possible would reduce the performance of the unit. Therefore we took the decision to just do configuration via the front panel.


Q/ The performance figures look too good to be true at the price
A/ The performance figures are the result of a focused determination to get the best performance out of the hardware. By not using off the shelf hardware and software we have no overheads or compromises. Try it yourself using Miroslav Lichvar's ntpperf tool.


It only starts to drop when the 100Mb interface is maxed out:



nevis@test:~/ntpperf$ sudo ./ntpperf -i enp5s0 -m 70:B3:D5:E3:D0:04 -d 172.16.1.72 -s 172.16.1.0/16 -B
| responses | TX timestamp offset (ns)
rate clients | lost invalid basic xleave | min mean max rms
1000 100 0.00% 0.00% 100.00% 0.00%
1500 150 0.00% 0.00% 100.00% 0.00%
2250 225 0.00% 0.00% 100.00% 0.00%
3375 337 0.00% 0.00% 100.00% 0.00%
5062 506 0.00% 0.00% 100.00% 0.00%
7593 759 0.00% 0.00% 100.00% 0.00%
11389 1138 0.00% 0.00% 100.00% 0.00%
17083 1708 0.00% 0.00% 100.00% 0.00%
25624 2562 0.00% 0.00% 100.00% 0.00%
38436 3843 0.00% 0.00% 100.00% 0.00%
57654 5765 0.00% 0.00% 100.00% 0.00%
86481 8648 0.00% 0.00% 100.00% 0.00%
129721 12972 15.49% 0.00% 84.51% 0.00% <- 100Mb Interface Saturated 194581 16384 43.65% 0.00% 56.35% 0.00% 291871 16384 62.43% 0.00% 37.57% 0.00%

Q/ Can the unit be firmware updated?
A/ Yes via USB into a Windows PC or Mac. Updates take about 5 seconds to apply.


Q/ Is the BNC output compatible with the Airspy
A/ Yes. Set the BNC output to 10Mhz. Connect the unit to your Airspy via the optional BNC to MCX cable and power the Airspy on.


Q/ Can the unit display my local time ?
A/ Yes. Press the button on the clock screen and use the knob to select your time zone.


Q/ Whats the maximum length of coax to the antenna ?
A/ This depends on the antenna and coax. We've tested our timing antenna (comes with 10 meters of coax) with a 20 meter extension and it works fine. The unit is POE so it may be easier to run a network cable closer to the antenna and install the unit there.


Q/ Does the unit support IPv6
A/ Not currently its in the pipeline and will be available to all units on release via firmware update.


Q/ What happens on loss of GPS Signal
A/ The unit enters failover mode which uses internal compensation to maintain the accuracy of the timing to 1-4ms typically over 24 hours. After 24 hours with no GPS signal the unit reverts to being a Stratum 16 time source.


Q/ Leap Second Support
A/ The unit has leap second support and a count down timer to the next leap second insertion.

SKU: UPU-LeoNTP-1200 Category: Tags: , , , , , ,
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Airspy Warranty

Airspy warranty is limited to 1 year from the date of delivery for purchased units that fail under normal operating conditions. Airspy units will be repaired at a price of $50.00 plus $10.00 shipping/handling. Normal operating conditions do not include excessive mechanical stresses due to mishandling, dropping, or bending; mechanical or electrical modifications; Electro-Static Discharge (ESD); excessive RF signals; excessive thermal stresses due to improper ventilation or cooling, submersion in any fluid; and any unauthorized repairs.
All warranty claims will be determined by Airspy or their representatives.

Accessory Warranty (except Filter/preamp)

Accessory warranty (except Filter/Preamp) is limited to 90 days from the date of delivery for accessories that fail under normal operating conditions. The warranty is limited to electrical failiure. Physical damage is specifically excluded unless such damage arises from normal use. Antennas are generally considered ‘disposable items’, although very limited warranties may be honored. All warranty cases will be determined by Airspy.US for these items. Contact us for any warranty claims.