
EPSILON CLOCK MODEL EC20S
Spectracom
39
User’s Manual
-
10MHz synchronization signals on the ‘
J2n
’ BNC connectors located on the rear p
anel,
-
Time Of Day messages on the ‘
NMEA
’ SUBD
-9 connector located on the rear panel.
12.1
1PPS OUTPUTS
-
Number of outputs
: 7
-
Connector type
: 50
Ω
BNC coaxial
-
Level
: TTL/5V, with a 50
load.
- 1ppS pulse width
: 100µS
-
Accuracy to UTC, GNSS locked
: ± 25ns (1σ).
-
Accuracy to UTC instantaneous (phase locked)
: ± 35ns max.
Holdover (constant temperature,
24 hours GNSS locked)
OXCO
Rubidium oscillator
after 4 hours
0.8 µs
0.3 µs
after 1 day
10 µs
2 µs
12.2
10MHZ OUTPUTS
-
Number of outputs
: 7
-
Connector type
: 50
BNC coaxial.
-
Level
: 12±2dBm, with a 50
load.
-
Type
: Sinewave signal, -40dBc harmonic distortion.
12.3
NMEA OUTPUT
The ‘
NMEA’
output is a RS232 serial link on which Time of Day messages are distributed.
-
Connector type
: 9-pin female SUB-D
Summary of Contents for Spectracom EC20S
Page 44: ...EPSILON CLOCK MODEL EC20S Spectracom User s Manual 44 13 3 CLOCK STATUS PAGE...
Page 58: ...EPSILON CLOCK MODEL EC20S Spectracom User s Manual 58 13 6 SNMP TRAPS SETUP PAGE...
Page 60: ...EPSILON CLOCK MODEL EC20S Spectracom User s Manual 60 No No trap is generated...
Page 82: ...EPSILON CLOCK MODEL EC20S Spectracom User s Manual 82 13 13 ADMIN PAGE...