3.6 CON/TTL/FOS
The fiber optic module CON/TTL/FOS converts an in-
put signal (TTL, RS-422 or FO) into one or more FO
(fiber optical) output signals for single mode.
CON/TTL/FOS-4
CON/TTL/FOS
TTL to FOS Converter
Standard variants
PPS, PPM, IRIG-B DCLS, 10MHz
CON/TTL/FOS: TTL In (BNC) to 1 x FO Out
CON/422/FOS: RS-422 In (DB9 male) to 1 x FO Ou
CON/FOS/FOS: FO In to 1 x FO Out
Option:
up to 4 x FO Out
3.6.1 Technical Specification CON/TTL/FOS
Input Signal:
TTL
signal via BNC female connector
input impedance 10 kOhm
or
RS422
signal via DSub9 male connector
pin 5: GND, pin 7: +IN, pin 8: -IN
or
FOS
singlemode FO signal via ST connector
minimum input level: 1
µ
W (-30 dBm), wave length: 1310 nm
or
FO
FO multimode FO signal via ST connector
minimum input level: 3
µ
W (-25 dBm), wave length: 850 nm
Optical
Outputs:
up to four singlemode FOS outputs via ST connectors
for E9/125
µ
m monomode fiber, wave length: 1310 nm
Launchable
output power:
typ. 15
µ
W (-15 dBm) per output
Signal Delay:
Delay of the electrical slope, detected with
CON/TTL/FOS and CON/FOS/TTL:
rising edge:
75 ns
falling edge:
70 ns
(plus the delay caused by the optical fiber: approx. 4,9 ns/m)
Data Rate
max. 10 MHz
Signal Jitter:
<1 ns
18
Date: 14th January 2020
FO CONVERTER
Summary of Contents for CON/232/FO
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