Symmetricom Network Time Server
 

 
 
NTS-150
 
 
 
S200/S250/S300/S350

 

Feature

NTS-150

S200

S300

S250

S350

Time Protocols

NTP Server (v2, v3, v4)

SNTP, Time, Daytime

NTP Peering/Client

 

NTP Multicast Server/Client

 

NTP Broadcast Server/Client

   

 

NTP performance, requests/second

40

3200

7000

3200

7000

Time References (inputs)

GPS (12 channel)

  ■[1]

NTP Peering

 

Dial-up internal modem (ACTS, JJY, ITU-R TF583.4)

   

 

Low Frequency Radio (WWVB, JJY, DCF77) (optional)

   

 

10MHz input

     

1PPS input

     

IRIG B AM Input

     

IRIG A/B/E/G/NASA36/XR3/2137 inputs (AM & DCLS)

       

T1/E1 input (optional)

       

 

Reference priority, user configurable

       

Network Security Protocols

HTTP/HTTPS/SSL

 

Telnet (w/disable fcn.)

SNMP V1, V2c, V3 with Custom MIB II v1

v1

DHCP (w/disable fcn.)

SSH/SCP (w/disable fcn.)

 

IPv6 and IPv4/IPv6

 

MD5 for NTP

NTP v4 Autokey (Server and Client)

   

 

RADIUS Authenticated login

   

 

1000Base-T equipped port (Gigabit)

   

 

Total number of Ethernet ports

1

3

4

3

4

User Interface

Web Interface

 

Vacuum florescent display/multi-line

Opt. LED

Numeric keypad

 

LED’s: Sync, Network, Alarm, NTP

[4]

USB

 

RS-232

Alarm relays

   

 

Keypad lockout

   

 

Osc.

OCXO upgrade

 

Rubidium upgrade

 

Timing Outputs

Timing accuracy

[3]

[2]

[2]

[2]

[2]

Sysplex output(dedicated port)

 

1PPS output

     

10MHz output

     

IRIG B AM output

     

IRIG A/B/E/G/NASA36/XR3/2137 outputs (AM & DCLS)

       

T1/E1 output (optional)

       

Misc.

General server status logs

 

Autocheck for firmware upgrades

 

Email alerts

 

Serve NTP in UTC or GPS Timescale

   

 

[1] Available without GPS [2] ± 50 Nanoseconds
[3] ± 1 Microseconds [4] Sync and Network LEDS only