Siemens 7XV5461-0B 00 Series Directions For Use Manual page 53

7XV5461-0Bx00
Attenuator
If the devices 7XV5461-0Bx00 listed in table 1 are used for the communication over
distances (s) shorter than specified in the technical data, the transmitting power must be
reduced via optical attenuators (see Figure 11).
Figure 11 Attenuator, Order no. 7XV5107-0AA00
Table 1 Using attenuators for shorter transmission links
Device
7XV5461-0BG00
(max. 24 km)
7XV5461-0BH00
(max. 60 km)
7XV5461-0BJ00
(max. 100 km)
7XV5461-0BM00
(max. 170 km)
To make it possible that the LC duplex connector can be used further on, both attenuators
are mounted each on one end (port 3) of the optical wide area connection.
The fibre-optic connections of attenuator are provided with cover caps to prevent the ingress
of dirt into the connectors.
Connector type:
Fibre type:
Attenuation:
C53000-B1174-C173-5
Attenuator
required
no
for s < 25 km
for s < 50 km
for s < 100 km
LC
9/125 µm
10 dB ±1 dB at λ = 1310 nm and 1550 nm
Comments
no restrictions
required, otherwise damage to the optical
receiver
English
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