NTP
n SMTP Forwarding
n IPv4 and v6
NTP
Description:Network Time Protocol Version 4 for synchronizing networked devices to UTC
(standard).
Timestamp accuracy (network port):Microsecond-caliber NTP
NTP packet throughput rate:Up to 7000 packets/second while maintaining NTP timestamp accur-
acy.
Client synchronization accuracy:Approx. 0.5-2 ms typical on a LAN
Supports:IPv4 and IPv6
Security:MD5 Symmetric Key and Autokey Authentication
Alarms:System Peer Change, Stratum Change, Leap Change, and Timing NTP Daemon.
Also see: STATUS - NTP (on page 28), NTP - Sysinfo (on page 39), NTP - Assoc (on page
42), NTP - Config (on page 43), NTP - MD5 Keys (on page 47), NTP - Autokey (on page 48),
NTP - Autokey Client (on page 49), NTP - Prefs (on page 50), WIZARDS - NTP (on page
99), ADMIN - Alarms (on page 85), and Status LEDs (on page 15).
CE/WEEE/RoHS Conformance
Declaration of Conformity
In accordance with ISO/IEC GUIDE 22 and EN 45014:
Microsemi Corporation
Frequency and Time Division
3870 N. 1st Street
San Jose, Ca 95134 USA
Declares under our sole legal responsibility that the SyncServer Network 1520R-SXXX Net-
work Time Server (Both AC and DC Models):
n MODEL 1520R-S200, MODEL 1520R-S200-DC
n MODEL 1520R-S250i, MODEL 1520R-S250i-DC
n MODEL 1520R-S250, MODEL 1520R-S250-DC
n MODEL 1520R-S300, MODEL 1520R-S300-DC, MODEL 1520R-S300-RB, MODEL
1520R-S300-RB-DC
n MODEL 1520R-S350, MODEL 1520R-S350-DC, MODEL 1520R-S350-RB, MODEL
1520R-S350-RB-DC
CONFORMS TO THE FOLLOWING EUROPEAN UNION DIRECTIVES:
Safety
n 73/23/EEC Low Voltage Safety as amended by 93/68/EEC
n IEC 60950-1:2001 (1st Edition)
n EN 60950-1:2001
Electromagnetic Compatibility
997-01520-02 Rev. F1.......................................................................... Page 127
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