Microsemi SyncSystem 4380A - USB Command Port Cable (94000-115200); USB External Reference Port Cable (94001-5071 A); GPS Receiver; PPS; DC IRIG Module (4394 A)

DOC 4380A
4380A O & M Manual
77
098-00723-000– Jul 2017 Revision 4.0 SyncSystem 4380A O&M Manual
- Real-Time GPS Data
1135
- TIC Average Data Port
2100
- TIC Raw Data Port
2101
A.6 USB Command Port Cable (94000-115200)
Connector
DB9 (M)
Communications Parameters
115200,N,8,1
Type
DTE
A.7 USB External Reference Port Cable (94001-5071A)
Connector
DB9 (M)
Communications Parameters
9600,N,8,1
Type
DTE
A.8 GPS Receiver
Antenna Connector
TNC(F)
Output Voltage
0, 5, or 12VDC - (User Selectable), Default = 0
Input Frequency
L1 (1575 MHz)
L2 (1272 MHz)
Antenna Cable
Cable loss not to exceed 10 dB.
A.9 PPS / DC IRIG Module (4394A)
Characteristic
Description
Number of outputs
Four
Output connectors
BNC(F)
Impedance
50 Ω
Signals
PPS (2) DC IRIG (2) - Default
PPS
- Intervals
Default – 1 PPS, Valid PPS values are 10M 1M, 100K, 10K, 1K, 100, 10,& 1
- Levels
<0.8V low & >2.4V high into 50 Ω
- Pulse Width
Default - ~100 µs +/-10 µs. Pulse width is variable in integer counts of 100
MHz clock period.
- Rise Time
< 2 ns
- Jitter
<100 ps
- Skew
<+/-2 ns
DC IRIG
Default - B000
- Types
A000, A003, A007, B000, B003, B007, D002, E002, G002, H002
- Levels
>2.4V = High, <.8V = Low
A.10 PPS ECL (4394A-ECL)
Characteristic
Description
Number of outputs
Two differential ECL
Output connectors
TNC(F)
Load Impedance
100 Ω Line to Line ( 10.0 )
Transition Time (20%
to 80 %)
700 ps max.
Voltage Output
High(V
OH
)
-1025 mv to -880 mv
Voltage Output
Low(V
OL
)
-1810 mv to -1620 mv