NOTE
If you use the module USART-AG-1LDFO for distances under 25 km, connect 2 attenuators
7XV5107-0AA00. To continue using the Duplex LC plugs, attach both attenuators at one end of the remote
connection (see Figure 4-7).
USART-AH-1LDFO
NOTE
Use the protection-interface module USART-AH-1LDFO paired with USART-AJ-1LDFO only.
Description Protection-interface module for synchronous operation with an optical
interface
In particular, a bidirectional data exchange through a single optical fiber
is possible with the USART-AJ-1LDFO module.
Product code P1Zxxxxxxxxxx
Figure
Connector type 1 x LC Simplex
Wavelength λ = 1300 nm
Baud rate 2 Mbit/s for the protection-interface communication
Protocol Protection-interface communication
Max. line length 40 km for singlemode optical fibers
Distance 40 km
Laser class 1 as per EN 60825-1/-2 With the use of 9 μm/125 μm optical fibers
Minimum Maximum
Transmitter power coupled in the
singlemode optical fiber
-8.0 dBm
avg
-3.0 dBm
avg
Receiver sensitivity -33.0 dBm
avg
-38.0 dBm
avg
Optical budget 25.0 dB –
USART-AJ-1LDFO
NOTE
Use the protection-interface module USART-AJ-1LDFO paired with USART-AH-1LDFO only.
Description Protection-interface module for synchronous operation with 1 optical
interface
In particular, a bidirectional data exchange through a single optical fiber
is possible with the USART-AH-1LDFO module.
Product code P1Zxxxxxxxxxx
4.2.4.4
4.2.4.5
Plug-In Modules
4.2 Communication Modules
SIPROTEC 5, Hardware Description, Manual 141
C53000-G5040-C002-C, Edition 10.2017
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