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Meinberg GPS163TDHS User Manual

Page 21

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21

ACCURACY OF
PULSES:

better than ±1 µsec after synchronization and 20 minutes of
operation
better than ±3 µsec during the first 20 minutes of operation

SERIAL PORTS:

2 independant asynchronous serial ports

COM0 (RS-232)
Baud Rate:

300 up to 19200

Framing:

7N2, 7E1, 7E2, 8N1, 8N2, 8E1

COM1 (RS232, for internal use only)
Baud Rate:

300 up to 19200

Framing:

7E2, 8N1, 8O1, 8E1

time string selectable for COM0 and COM1
‘standard Meinberg’, ‘SAT’, ‘NMEA’ or ‘Uni Erlangen (NTP)’

default settings:

COM0:

19200, 8N1

COM1:

9600, 8N1

‘Standard Meinberg’
time string per second
mode of operation ‘if sync’

TIME CODE
OUTPUTS:

modulated via BNC-connector:
IRIG:

3V

PP

(MARK), 1V

PP

(SPACE) into 50

AFNOR:

2.17V

PP

(MARK), 0.69V

PP

(SPACE) into 600

modulated via DSUB-connector:
Field effect transistor with internal pull-up (1k

) to +5V

Data of transistor:
Uds

max

= 100 V, Id

max

= 150 mA, P

max

= 250 mW

TTL into 50

RS422

DCF77
EMULATION:

AM-modulated 77.5 kHz carrier frequency
usable as replacement for a DCF77 antenna
output level approximately -55 dBm (unmodulated)
active after reset

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