Average Time Accuracy (demodulated IRIG-B and pulses) to UTC |
±100 ns |
±40 ns |
Peak Time Accuracy (demodulated IRIG-B and pulses) to UTC |
±500 ns |
±100 ns |
Holdover Accuracy Over 24 Hours at a Constant Temperature |
6.9 ms |
36 µs with standard TCXO, 5 µs with OCXO |
Demodulated IRIG-B Ports |
Up to 6 |
Up to 8 |
Demodulated IRIG-B BNC Output Voltage and Cable Length |
3.5 V up to 130 feet |
5.0 V up to 500 feet |
Modulated IRIG-B Ports |
1 |
Up to 4 |
Ethernet Ports |
0 |
4 (can be copper, single-mode fiber, or multimode fiber, ordered in pairs) |
NTPv4 |
No |
Yes |
NTP Time-Stamp Accuracy (typical) to UTC |
— |
<100 µs |
PTP Grandmaster (IEEE 1588) |
No |
Yes, with PTP option |
PTP Time-Stamp Accuracy (peak) to UTC |
— |
±100 ns |
PPS, kPPS |
Yes |
Yes |
ASCII Outputs |
Yes |
No |
Time Display |
Yes |
Yes |
Configurable Cable Delay Compensation |
No |
Yes |
Power Supplies |
1 standard |
1 standard, 1 optional |
Management Interface |
Serial |
Web |
Syslog |
No |
Yes |
Role-Based Accounts, LDAP Support |
No |
Yes |
SNMP Traps |
No |
Yes |
acSELerator QuickSet SEL-5030 Software Support |
No |
Yes |
Operating Temperature |
–40° to +80°C (–40° to +176°F) |
–40° to +85°C (–40° to +185°F) |
Time Source |
GPS |
GPS and GLONASS |
Recommended Antenna |
SEL-9524A |
SEL-9524B |
Antenna Cable Length |
Up to 400 feet |
Up to 500 feet |
Satellite Signal Verification |
No |
Yes, with SEL-9524B GNSS antenna kit |
IEC 60255, IEC 61000, IEEE C37.90 |
Yes |
Yes |
Output Drive Levels |
3.5 Vdc |
5.0 Vdc |
IRIG-B Over Fiber |
Use optional fiber-optic serial port |
Use SEL-2812 with DB-9 port |
Alarm Contact |
Yes |
Yes |