Standard Features
- Syncs to any NTP source for accurate traceable time
- Complete flexibility in daylight savings time configurations
- Uses standard Ethernet wiring
- Fully configurable via supplied Windiscovery software
- Front indicator light provides synchronization status
- Microprocessor-controlled stepper motor with sweeping second hand for quiet operation
- Battery-backed real time clock chip in case of loss of synchronization or power

Network Compatability
- Supports DHCPv4, DHCPv6 for automatic acquisition of network address, name servers, and timeserver configuration
- Internet protocols: TELNET/SSH, SNMP
- IPv4/IPv6 compatible

Configuration
- Configure devices through provided WinDiscovery software or Telnet/SSH
- Configuration is saved to nonvolatile memory and survives power losses
- Authenticated network messages prevent unauthorized tampering of clock configuration

Power
- 90-265 VAC 50/60 Hz
- IEC AC power connector and cord
- PoE (Power over Ethernet) option available

Holdover Accuracy
- With loss of power, device reverts to an internal battery-backed real-time clock chip with accuracy of ± 1min/year or < 165ms per day

Connectors
- Ethernet RJ45
- IEC 320 AC input
- USB port for configuration

Physical
- Size: 31.8w x 6.35h cm
- Weight: 3.5kg
- Black powder-coated steel chassis
- Polycarbonate lens
- Wall mount bracket provided

Operating Parameters
- Temperature: 0 to 60°C
- Humidity: Up to 90% (non-condensing)

Optional
- 12/24-hour face
- 24-hour face
- Face plate ilumination
- Dual face (CLKNTD12-DF)
- Stainless steel case

Warranty
- 5-year limited parts and labor warranty

Compliance
- FCC, CE Marked, ROHS, ANSI