EPSILON CLOCK MODEL EC1S
Spectracom Corporation
EPSILON CLOCK User’s Manual
1-2
1.1
1.1
1.1
1.1
Basic Configuration
Basic Configuration
Basic Configuration
Basic Configuration
This document is applicable to the EPSILON CLOCK® Model EC1S. In its basic configuration,
the EPSILON CLOCK® Series EC1S is equipped with:
•
1 x GPS antenna input (TNC)
•
1 x DC power supply input (19 to 36 VDC, mini Mate-n-Loc connector)
•
1 x 10 MHz sine-wave output (SMA)
•
1 x 1PPS output (TTL / 50
Ω
, SMA)
•
1 x Time Of Day interface (RS232C, SubD 9)
•
1 x remote control interface (RS232C, SubD 9)
•
1 x alarm output (relay contact, SubD 9)
•
2 x LEDs for the status display
Two additional connectors (AUX1 and AUX2) are available for optional inputs or outputs through
the addition of a piggy-back board.
The EPSILON CLOCK MODEL EC1S supports a wide range of oscillators depending on the
customer’s synchronization accuracy needs.
1.2
1.2
1.2
1.2
Standard Features
Standard Features
Standard Features
Standard Features
The EPSILON CLOCK MODEL EC1S is used to generate, maintain, and provide the following:
•
A synchronized UTC(GPS) time reference. The clock distributes a 1PPS signal, a Time
Of Day message (TOD interface), and a time-coded message (remote control interface).
•
A frequency reference (one sine-wave 10 MHz).
The clock is powered by one DC power supply (19 to 36 VDC)
A remote control interface provides information on clock status and allows the user to send
initialization and configuration commands. The working status of the clock is reported locally
using two LEDs on the front panel.
The relay contact output of the alarm is closed in the event of hardware or software failure.
The EPSILON CLOCK MODEL EC1S is fully automatic. It requires no preventive maintenance.
1.3
1.3
1.3
1.3
Optional Functions
Optional Functions
Optional Functions
Optional Functions
The EPSILON CLOCK MODEL EC1S accepts the addition of a piggy-back board to allow
additional inputs or outputs such as:
•
Time outputs ( 10MHz, 1PPS, IRIG B)
•
SDH / E1 synchronization for SSU functionality and for GPS back-up for excellent
holdover performance