Ce label, Format of the meinberg standard time string – Meinberg TCR509 User Manual
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Specifications
Signal Input:
potential free
Impedance 50Ohms also available 600 Ohms
Amplitude:
abt. 600mV...8V peak to peak (Mark)
Supported Time Codes:
IRIG-A133 and IRIG-B123
AFNOR NFS 87-500 on request
PPS-Strobe Accuracy:
+/-5us referred to 'On Time'
Free running mode:
changeover to crystal time base,
accuracy abt. 1e-6s/s if decoder was synchroni-
zed for at least 1h.
Backup Battery:
The internal hardware clock (RTC) is supplied
from a backup battery in case of an operating
voltage failure. The lifetime of the Lithium-Battery
is at least 10 years.
Security of operation:
hardware watchdog generates a reset in case of
brown out. Software watchdog generates reset in
case of improper program execution
Initialization:
Initial time and date of hardware clock can be set
by a Meinberg standard telegram via serial port
COM0.
Pulse Outputs:
one PPS-Output, TTL Level, 200ms length,
positive and inverted.
four TTL pulse outputs, DCF-Simulation
or positive PPS
four 20mA current loop outputs, DCF-Simulation
or positive PPS
Serial Ports:
two independent RS232 ports
Baud rates:
configurable : 2400Bd, 4800Bd ,9600B,19200Bd
Framing:
configurable: 7E2, 8N1