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AVN-GMC Technical Specification 4
4. Technical Specification For AVN-GMC
Timing Specification
Profile Support:
Default profile
Timing Protocol:
PTPv2, IEEE1588-2008, TAI timebase
Timing Accuracy:
PTP time stamping resolution 8ns
Holdover Drift:
TCXO: <90ms
OCXO: <900µs
CSAC: <45µs
These figures are over 24 hours at constant temperature
GPS Performance:
50 channel GPS receiver
GPS Frequency:
1575.42MHz, L1 band
Clock Specification
Word Clock Sync
50Ω
Impedance:
Word Clock Output
<50Ω
Impedance:
VAR PPS Output
<50Ω
Impedance:
AES-3id Output
<75Ω
Impedance:
Antenna Impedance:
50Ω
Connections
Clocking Input:
BNC female TTL
Wordclocks (32kHz to 192kHz) and 10MHz
Clocking Outputs:
BNC female AES-3id @ 32, 44.1, 48, 96, 176.4
& 192kHz.
BNC female Wordclock Out (32kHz to 192kHz)
TTL
BNC female Variable PPS Out (1Hz to 1MHz) TTL
GPS Input:
SMA socket
GPIO:
9 way D-Type female
Ethernet Port:
RJ45 socket, 100BASE-T
Mains AC Input:
Universal filtered IEC socket, continuously rated
85-264 VAC @47-63Hz, max 10W
DC Input:
1 x 12V, KPJX-45 socket, positive pins 1 and 3
Maximum Operating
10.3V to 13.2V DC, 500mA
Range (DC):
Equipment Type
AVN-GMCS:
Grandmaster clock for PTP systems, GPS, IP,
TCXO, 1ppm, rackmount
AVN-GMCOS:
Grandmaster clock for PTP systems, GPS, IP,
OCXO, 0.1ppm, rackmount
AVN-GMCCS:
Grandmaster clock for PTP systems, GPS, IP,
CSAC, 0.0005ppm rackmount
Physical Specification
Dimensions:
4.4cm (H) x 48.3cm (W) x 17.8cm (D) (1U)
(Raw)
1.8” (H) x 19” (W) x 7” (D) (1U)
Dimensions (Boxed):
6.8cm (H) x 58.8cm (W) x 27cm (D)
2.7” (H) x 23” (W) x 10.6” (D)
Weight:
Nett: 1.5kg Gross: 2.2kg
Nett: 3.2lbs Gross: 4.8lbs
Accessories
AVN-DC150:
150W DC power supply with KPJX-4S plug
Summary of Contents for AVN-GMC
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