Meinberg TCR170PEX Instrukcja Użytkownika Pobierz pdf (Strona 27)

GENERATOR OUTPUTS: modulated output:

unbalanced sine carrier, 1 kHz

(MARK), 1V

(SPACE) into 50 Ω

unmodulated outputs (DCLS):

TTL into 50 Ω

RS-422

active high or low selectable by jumper

optical output (option):

optical power: typ. 15µW

optical connector: ST-connector

for GI 50/125µm

or GI 62,5/125µm

gradient fiber

PULSE OUTPUTS: three programmable outputs, TTL level

Default settings:

active only ‚if sync‘

PPO0: change of second (PPS)

pulse duration 200 msec

valid on rising edge

PPO1: change of minute (PPM)

pulse duration 200 msec

valid on rising edge

PPO2: DCF77 simulation

SERIAL PORT: configurable RS-232 interface

baudrates: 300 Bd...38400 Bd

framing: 7E2, 8N1, 8N2, 8E1

mode of operation: string per second

string per minute

string on request

time telegram: Meinberg Standard,

Uni Erlangen, SAT,

Capture Telegram

CAPTURE INPUTS: triggered by falling TTL slope

pulse repetition time: 1.5 msec min.

resolution: 800 nsec

output of trigger event via PCI-bus or serial

interface

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Meinberg TCR170PEX Instrukcja Użytkownika Strona 27