CenterClick NTP Series Documentation - Features
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Features
| Feature | NTP220 | NTP270 | NTP320 ** COMING SOON ** |
NTP370 ** COMING SOON ** |
NTP390 ** COMING SOON ** |
|---|---|---|---|---|---|
| NTP Stratum | GNSS - Stratum 1 PPS-IN - Stratum 2 Network Backup - Stratum 2+ |
GNSS - Stratum 1 PPS-IN - Stratum 2 Holdover - Stratum 7 Network Backup - Stratum 2+ |
|||
| PTP/1588 Modes | Not supported | IEEE-1588-2008(PTPV2) Grandmaster | |||
| CPU & RAM | Allwinner T113-S3 with 128MB RAM | Nuvoton MA35D1 with 256MB RAM | |||
| Boot/OS Storage | 256MB SLC NAND Flash (Older models have 512MB) | 512MB SLC NAND Flash | |||
| User Storage | MicroSD slot | ||||
| Wired Ethernet | 10/100mbps | ||||
| IPv4 | Static or DHCP or Off | ||||
| IPv6 | Static or SLAAC EUI-64, SLAAC Token, and/or DHCPv6 or Off | ||||
| Embedded Webserver | HTTP & HTTPS - View Only | ||||
| HTTPS Certificate Management | Let's Encrypt or other ACME servers, HTTP and DNS types | ||||
| Admin Console / CLI | USB or SSH (password or publickey) | ||||
| GNSS Module | Quectel L76-L | uBlox MAX-M10S | |||
| System Oscillator | XO (20ppm) | GPS-disciplined VC-TCXO (1ppm) | GPS-disciplined VC-OCXO (20ppb) | ||
| Timing Processor | No | Dedicated realtime processor tracks PPS stability, disciplines XO, and generates frequency reference | |||
| Max NTP Clients | Tracked: 100,000 unique IPs with JSON & CSV Export Untracked: 1,000,000 unique IPs Packet Rate: 10,000 packets/second |
Tracked: 250,000 unique IPs with JSON & CSV Export Untracked: 1,000,000 unique IPs Packet Rate: 10,000 packets/second |
|||
| Network ACLs | Separate ACLs for NTP, SSH, HTTP/S, SNMP | ||||
| Cloud-Free Technology | No stupid App, No online accounts, No subscription service, No Internet needed | ||||
| GNSS Constellations | GPS, GLONASS, Galileo, and/or BeiDou (Not all combinations supported) | ||||
| Internal Power Backup | Supercapacitor with 3+ Hours for GPS and RTC | ||||
| Data Export | JSON System & Client data Prometheus-compatible Metrics Endpoint |
||||
| Protocol Support | NTPv4, SNTP, SSH, HTTP, HTTPS, SNMPv2, LLDP | NTPv4, PTPv2, SNTP, SSH, HTTP, HTTPS, SNMPv2, LLDP | |||
| PPS Input/Output | 5V Output Rising Edge Wide-voltage-range (2.5-5V) Input Rising Edge |
||||
| AUX Output | Future status/alarm | 5V Output, one of: Off, Future status/alarm, Frequency output (1khz - 10mhz) |
|||
| Power | 1W Typical, 5W Max 9-24V DC Barrel Input |
1W Typical, 5W Max 9-24V DC Barrel Input and/or 802.3af/at PoE Input |
2W Typical, 5W Max 9-24V DC Barrel Input |
2W Typical, 5W Max 9-24V DC Barrel Input and/or 802.3af/at PoE Input |
3W Typical, 7W Max 9-24V DC Barrel Input and/or 802.3af/at PoE Input |
| Dual Redundant Power Inputs | No | Yes (DC + PoE) | No | Yes (DC + PoE) | |
| Ambient Temperature | 0-45C | 0-40C | |||
