GPS NTP+PTP Network Time Server with 10Mz Reference Frequency Output (TM2500B)
$749.99
The TM2500B is the newest addition in the NTP/PTP GPS time server product line with the same great features, improved holdover accuracy, and reliability of the TM2000, but includes additional reference output capabilities that our customers have requested. Either a 1PPS or a 10MHz reference signal output can be obtained from the single BNC connector on the TM2500. Time serving accuracy is key, include some great features, and reference output, and TimeMachines delivers a quality product at a very reasonable price for your network infrastructure!
Included with EACH TM2500B purchase:
12V Power Supply, GPS Patch Antenna, Quick Set-up Guide, 10MHz test report
In stock (can be backordered)
10% Discount when ordering 10 or more of this item.
Description
The TM2500B is the latest addition to our NTP/PTP GPS time server product line. The TM2500B, like our other GPS NTP servers, provides a Stratum 1 time source on the local network with no need for an internet connection. SNMP V2/V3 is supported on the device, authenticated NTP, peer NTP lookup, and manual time setting modes. The TM2500B uses an active GPS antenna to maintain the current time as broadcast by United States’ GPS satellites worldwide. In addition, a high stability OCXO reference clock is included that allows the unit to serve time if GPS lock is lost for periods of time.
The additional processing that was added to the TM2000B to provide a greater accuracy for holdover time is also included on the TM2500B. A BNC connector on the back of the device provides either a 10Mz reference frequency output or a 1PPS signal. With the powerful feature set, the OCXO reference clock with improved holdover accuracy, and reference output options, you cannot beat the price and capabilities of this GPS NTP server device. It is a small gem that adds so much to your network capabilities.
Every TM2500B kit comes with a 12V international power supply and a GPS patch antenna, and a 10MHz reference signal test report.
ADDITIONAL TM2500B DOCUMENTATION and INFORMATION:
TM2000B & 2500B Quick Setup Guide
| Features: | TM1000A | TM2000A | TM2000B | TM2500B |
| Source of Time Served | US GPS satellites | US GPS satellites | US GPS satellites | US GPS satellites |
| Stratum Level | Stratum 1 (GPS) | Stratum 1 (GPS) | Stratum 1 (GPS) | Stratum 1 (GPS) |
| NTP requests per second | >350 | >750 | >750 | >750 |
| NTP Authentication | NO | MD5/SHA1 | MD5/SHA1 | MD5/SHA1 |
| Manual Time Setting | NO | YES | YES | YES |
| Peer NTP Updates | NO | YES | YES | YES |
| SNMP Management | NO | V2/V3 | V2/V3 | V2/V3 |
| Web-Based Setup | YES | YES | YES | YES |
| Network Interface Speed | 10/100 | 10/100 + HW Time Stamp | 10/100 + HW Time Stamp | 10/100 + HW Time Stamp |
| Time Protocols Supported | NTP (v1-v4) | NTP (v1-v4)/PTP v2 | NTP (v1-v4)/PTP v2 | NTP (v1-v4)/PTP v2 |
| Internal Osciallator/Holdover Time Source | NO | OCXO 20ppb | OCXO 20ppb | OCXO 20ppb |
| Improved Holdover Accuracy | N/A | NO | YES | YES |
| Precision Time Protocol, Unicast and Multicast | NO | YES | YES | YES |
| Linux Embedded OS | NO | YES | YES | YES |
| GPS Lock Requirement | 2D | 3D (optional 2D) | 3D (optional 2D) | 3D (optional 2D) |
| NMEA Output | YES | NO | YES | YES |
| 1 PPS OUTPUT | YES | NO | NO | YES (if 10 MHz output is not used) |
| 10 MHz OUTPUT | NO | NO | NO | YES (if 1 PPS output is not used) |
| Verizon eFemto Compatible | NO | NO | NO | NO |
Additional information
| Weight | 2 lbs |
|---|---|
| Dimensions | 8 × 6.75 × 3.75 in |
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