Siemens SCALANCE X-300 Series Compact Operating Instructions page 19

If information applies to all devices, the term "IE Switches X-300" is used. If information applies
to only a particular product group, the relevant names will be used without extra information on
the type or number of interfaces. Examples: "X-300" stands for non-modular devices with a
compact housing, "XR-300" means all rack devices, "X-300M" means all modular devices etc.
Note
SCALANCE X320-3LD FE
The SCALANCE X320-3LD FE deviates from the type designation in that it has an SC port for
multimode fiber-optic cable up to a maximum of 5 km in length and two SC ports for single mode
fiber-optic cable up to a maximum of 26 km in length.
● Port 21: Multimode
● Port 22: LD (long distance, single mode)
● Port 23: LD (long distance, single mode)
2 optical interface transceivers possible
The device is also equipped with 2 optical interface transceivers.
●
1
●
2
Refer to "Transmitter output optical" and "Receiver input" in the technical specifications.
Unpacking and checking
Do not use any parts that show evidence of damage
If you use damaged parts, there is no guarantee that the device will function according to the
specification.
If you use damaged parts, this can lead to the following problems:
● Injury to persons
● Loss of the approvals
● Violation of the EMC regulations
● Damage to the device and other components
Use only undamaged parts.
1. Make sure that the package is complete.
2. Check all the parts for transport damage.
SCALANCE X-300
Compact Operating Instructions, 11/2019, A5E00982643-18
(Fast Ethernet, long distance interface)
(Fast Ethernet, multimode interface)
WARNING
Device description
4.1 Product overview
19