Microsemi SyncSystem 4380A, Operation And Maintenance Manual

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DOC 4380A
4380A O & M Manual
80
098-00723-000
– Jul 2017 Revision 4.0
SyncSystem 4380A O&M Manual
A.16 2.048MHz Module (4396A)
This module provides four 2.048MHz outputs. The module also monitors each output for levels below
approximately 10 dBm, after which an alarm is raised.
Characteristic Description
Number of outputs Four
Output connectors BNC(F)
Impedance
75 Ω
Signal Complies with ITU-T Rec. G.703 paragraph 13
Time Code None, frequency output only
A.17 2.048MHz Module (4397A)
This module provides four 2.048MHz outputs. The module also monitors each output for levels below
approximately 10 dBm, after which an alarm is raised.
Characteristic Description
Number of outputs Four
Output connectors BNC(F)
Impedance
75 Ω
Signal Complies with ITU-T Rec. G.703 paragraph 9
Time Code HDB3.PCM31, all zeros except time slot 16, which is all ones
A.18 Time Interval Counter (4393A)
Characteristic Description
Number of inputs Four
Input connectors BNC(F)
Impedance
50 Ω
Input Voltage (50 Ω)
5 Vpk
Minimum Input Pulse Width 10 µs
Maximum Input Pulse Width 500 ms
Resolution < ±50 ps
Accuracy < ±500 ps to internal 1 PPS across all inputs. Individual inputs can be
calibrated using a calibrated cable delay. Contact factory for details.
A.19 IRIG Input Card (4383A)
Characteristic Description
Number of inputs Four
Input connectors BNC(F)
Inputs DC IRIG – Ports 1 and 2, AM IRIG Ports 3 and 4
Impedance
50 Ω
DCLS Input Voltage (50 Ω)
> 2Vpk and < 5Vpk.
AM Input Voltage (50 Ω)
> 600mV pk-pk and < 6.0Vpk-pk.
Time Codes B000 to B007 and B120 to B127
AM IRIG Ratio 2:1 to 4:1, Nominal 3:1