Model 9289
Spectracom Corporation
NetClock/NTP Network Time Provider Instruction Manual
1-6
1.4.8 Front Panel LED Indicators
Power:
Green, always on.
Sync:
Tri-color LED indicates the time data accuracy and equipment
fault.
LAN:
Green: Good Link indicator.
Yellow: Network activity.
1.4.9 Relay
Outputs
Three separate outputs provided for either Programmable Event Timer Output or Major/Minor
Alarm indication.
Relay contacts:
NO, NC, and Common.
Contact rating:
30 VDC, 2 amps.
Connector:
10-position 3.81 mm terminal block (mate supplied).
Programmable Timer Output:
128 On/Off events available. Timer events that are hourly, daily or
weekly only count as a single event so many events can be
programmed.
Major/Minor Alarms:
Relay contacts allow remote monitoring of operational status. A
power failure, CPU failure loss of time sync, etc cause the alarm
relay to de-energize. The alarm relay returns to normal operation
(energized) when the fault condition is corrected.
1.4.10 1PPS Input
Signal:
One
pulse-per-second
square
wave.
Signal Level:
TTL compatible (High trigger is 2.1 V, low is 0.9 V),
High Z (> 10k ohms), Active rising edge.
Connector:
BNC
female
1.4.11 Input Power
Power source:
90 to 240 VAC, 47 to 63 Hz through an IEC 320 universal
connector.
DC input:
9.5 to 30 VDC, 18 watts, through a CE/UL/CSA-approved power
adapter (supplied).
Connector:
Barrel, 5.5mm O.D., 2.5 mm I. D.
Polarity:
Negative shell, positive center.
Summary of Contents for 9289
Page 18: ...Model 9289 Spectracom Corporation NetClock NTP Network Time Provider Instruction Manual 1 8...
Page 36: ...Model 9289 Spectracom Corporation NetClock NTP Network Time Provider Instruction Manual 2 18...
Page 154: ...Model 9289 Spectracom Corporation NetClock NTP Network Time Provider Instruction Manual 3 118...
