4.2.2.2 100 to 240 VAC / 110 to 250 VDC device version
The following gure shows an overview of the components of a 100 to 240 VAC / 110 to 250 VDC
device version of the SCALANCE XRM334 with 12 SFP/SFP+ slots.
① Electrical ports with 10/100/1000 Mbps
② Slots for SFP plug-in transceiver with 100/1000 Mbps
③ Slots for SFP/SFP+ plug-in transceiver with 1/10 Gbps
④ Electrical ports with 1/2.5/5/10 Gbps
⑤ Mounting brackets for 19" rack installation
⑥ Connection to the 100 to 240 VAC power supply
Single or redundant design depending on the device version. The gure shows the device with a redundant connec‐
tion.
⑦ Connection to the 110 to 250 VDC power supply (hidden behind a screw-retained cover)
Single or redundant design depending on the device version. The gure shows the device with a redundant connec‐
tion.
⑧ Grounding bolt for connection of protective grounding
⑨ Signaling contact
⑩ USB console interface (2.0 port, Type B, serial via USB)
⑪ CLP slot with an inserted CLP
⑫ "SELECT/SET" button
⑬ LED display
• Port LEDs
• LED "A" for the alarm display
• "L1/L2" LED for the power supply
• "RM" LED no function
• "CM" LED no function
• "DM1/DM2" LED for the display mode
Figure 4-4 SCALANCE XRM334 100 to 240 VAC / 110 to 250 VDC with 12 SFP/SFP+ slots, front and back
Description of the device
4.2 Device views
SCALANCE XRH-300/XRM-300
Equipment Manual, 10/2022, C79000-G8976-C546-01 27