ND Clocks User Manual - Rev 2.0.1 Sep-08
37
Symmetricom
®
, Inc.
Communications – Protocol
• DHCP (enabled by default) configuration, or via Static IP mode entry.
o Network configuration: IP address, Netmask,
o Gateway (Router - DHCP Option 03),
o Primary and Secondary DNS (Domain Name Server - DHCP option 06)
o Primary and Secondary NTP Servers (Network Time Protocol Server - DHCP Option 042 )
o Time Zone Offset (Time Offset – DHCP Option 02) – Note: not enabled by default
• IPV4
• SNTP /NTP version 4 – UDP, port 123 (default)
o Unicast [Query] (default), and broadcast, multicast modes.
• Telnet – TCP, port 23 (default)
• Control/WinDiscovery protocol – UDP, port 6163
• RS-232 (ASCII) - 9600 baud, 8 data bits, one stop bit, no parity - UDP, port 6165
• RS-485 – 9600 baud, 8 data bits, one stop bit, no parity – UDP, port 6166
Communications – I/O
Ethernet (10mbps) ..............................................................RJ45, 10baseT
Length of communication cable (Cat5/5e) ...................... 100 meters maximum
RS-232 (Programming/Configuration Port) ...................... DB9 male
Length of communication cable ...................................... 3 meters maximum (use standard straight thru cable)
RS-485 (Programming/Configuration Port) ...................... RJ11
Length of communication cable ...................................... 3 meters maximum (use standard straight thru cable)
Power Requirements
AC Input Voltage ............................................................... 100-240 VAC +/-10% (90-264VAC), 47-63 Hz
AC Input Connector............................................................ Universal IEC input connector
AC power consumption ...................................................... see table above for specific model(s)
Protection….......................................................... Built in fuse, output power limiting, over voltage, and short
circuit protection.
Caution: there are no user serviceable parts inside the ND display.
Plea
se contact the factory if you require servicing or repair.
Power Over Ethernet Voltage............................................. per IEEE802.3af PoE standard.,
+48VDC on spare pins 4 &5, Return on spare pins 7 & 8
+48VDC (& data) on pins 1&2, Return (& data) on pins 3 & 6
Power Consumption ........................................................... <12.95 W, Class 0 device (see table above)
Battery ................................................................................ (see table above).
Operating/Storage Temperature & Humidity
• Operating Temperature ...................................................0 to +50°C
• Relative Humidity ...........................................................Up to 90% (non condensing @ 25°C)
• Storage Temperature .......................................................-40 to +70° C
• Relative Humidity ...........................................................Up to 90% (non condensing @ 25°C)
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