Installation; Operating Environment - Symmetricom ND-CLK User Manual

Please refer to the Specifications section of this document for additional details regarding each model
and available options.
The ND network clock series includes the WinDiscovery network management
software which runs under the Windows operating system. All ND clocks also offer
a telnet interface for configuration and maintenance. Other features include:
•
Time zone offsets (to one second resolution) supports any biasing requirements
•
Complete flexibility in daylight savings time configurations
•
Real-time clock backup retains time during loss of power and/or NTP reference
•
Primary and secondary NTP source with fault-tolerant switching
•
Supports NTP broadcast, multicast, and query (unicast) modes
•
Fully configurable network settings, including DHCP/BOOTP support.
•
Security features include password protection of configuration, encrypted
communication, and the ability to disable telnet management access.
•
Status display to remotely 'view' clock display through WinDiscovery
application.
•
Hand position calibration is preset at factory and retained in non-volatile flash
memory , requiring no hand positioning.
•
Rechargeable maintenance free battery retains configuration settings and time
for minimum of two weeks of power loss.
•
Second Hand
•
Self-correcting after loss of power and/or NTP reference.
•
Rapid hand correction using fast mode.
•
Status LED on clock face (at 6 o'clock position).
•
12 hour clock face
•
12/24 hour clock face option.
All features are offered in either an AC or POE powered version.
•
Universal AC power (90-264 VAC, 47-63 Hz), IEC power cord.
•
Power Over Ethernet (POE) to IEEE802.3af standard

INSTALLATION

Operating Environment

The ND-CLK is not water or moisture proof. Treat it as you would any other delicate
electronic device and do not expose it to water, excessive heat or physical abuse.
The ND-CLK contains a stepper motor and microprocessor control electronics designed
to operate in indoors environments. 0-50°C, 0-90% relative humidity.
The AC version of the ND-CLK is designed to operate on 90-240VAC/47-63 Hz.
The POE (option) version is designed to operate to the IEEE 802.3af specification using
48VDC POE supplies.
ND-CLK User Manual- Rev 1.0.1 - Sep-08
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Symmetricom , Inc