Installation & Operation Manual TCC70XS
Page 23
1.4.4
LTC
LTC Input (LTC IN)
Format
According to ANSI/SMPTE 12M
–
1
–
2008
Connector
Balanced signals LTC_IN_A and LTC_IN_B:
•
Via 3
–
pin XLR female (according to IEC 268
–
1)
•
Via 2 pins of the 9
–
pin DSUB female REF/GPI
(depending on configuration)
Input impedance
18 k
Frame rates
24, 25, 30, 30
–
Drop
Signal level
100 mV
p-p
to 5 V
p-p
Frequency
1.6
–
2500 frames/s
LTC Output (LTC OUT)
Format
According to ANSI/SMPTE 12M
–
1
–
2008
Connector
Balanced signals LTC_OUT_A and LTC_OUT_B:
•
Via 3
–
pin XLR male (according to IEC 268
–
1)
•
Via 2 pins of 9
–
pin DSUB female SERIAL/LTC OUT
(depending on configuration)
Output impedance
< 50
Frame rates
24, 25, 30, 30
–
Drop
Signal level
Adjustable 150 mV
p-p
to 4.9 V
p-p
1.4.5
Oscillator and Clock Performance
Internal oscillator of the Ethernet module
(values refer to a free-running mode, neither sync nor lock):
Nominal frequency offset
±
50 ppm
Frequency stability over temperature
±
50 ppm over +5 °C to +40 °C
Aging
±
3 ppm maximum first year
±
12 ppm maximum after 10 years
Internal oscillator of the 3G-Video module
(values refer to a free-running mode, neither sync nor lock):
Nominal frequency offset
±
30 ppm
Frequency stability over temperature
±
50 ppm over +5 °C to +40 °C
Aging
±
3 ppm maximum first year
±
12 ppm maximum after 10 years
Buffered real
–
time clock of the Ethernet module
Kind of buffering and buffering time Capacitor; one day (minimum) to three days (typical)
Accuracy of clock
±
2 ppm over +5 °C to +40 °C
[173 ms per day]
±
3.5 ppm over -10 °C to +60 °C
