Device variant Electrical
over twisted pair
Optical
over fiber-optic cable
X308-2LD 7 x RJ‑45 jacks with MDI‑X assignment
10/100 Mbps (half / full duplex)
1 x RJ‑45 jacks with MDI‑X assignment
10/100/1000 Mbps (half / full duplex)
2 x SC duplex sockets
(1000 Mbps, full duplex to
1000BaseLX)
X308-2LH 7 x RJ‑45 jacks with MDI‑X assignment
10/100 Mbps (half / full duplex)
1 x RJ-45 socket with MDI-X pinning
10/100/1000 Mbps (half/ full duplex)
2 x SC duplex sockets
(1000 Mbps, full duplex to
1000BaseLX)
X308-2LH+ 7 x RJ‑45 jacks with MDI‑X assignment
10/100 Mbps (half / full duplex)
1 x RJ‑45 jacks with MDI‑X assignment
10/100/1000 Mbps (half / full duplex)
2 x SC duplex sockets
(1000 Mbps, full duplex to
1000BaseLX)
X310 7 x RJ‑45 jacks with MDI‑X assignment
10/100 Mbps (half / full duplex)
3 x RJ‑45 jacks with MDI‑X assignment
10/100/1000 Mbps (half / full duplex)
-
X310FE 10 x RJ‑45 jacks with MDI‑X assignment
10/100 Mbps (half / full duplex)
-
X320-1 FE 20 x RJ‑45 jacks with MDI‑X assignment
10/100 Mbps (half / full duplex)
1 x SC duplex socket (MM)
(100 Mbps, full duplex to
100BaseFX)
X320-3LD FE 20 x RJ‑45 jacks with MDI‑X assignment
10/100 Mbps (half / full duplex)
1 x SC duplex socket (MM)
2 x SC duplex sockets (SM)
(100 Mbps, full duplex to
100BaseFX)
Table 8-5 Electrical data: Power supply
Rated voltage
Safety extra-low voltage (SELV)
Voltage range Permitted voltage range
including total ripple
24 VDC 19.2 VDC - 28.8 VDC 18 VDC - 32 VDC
Table 8-6 Electrical data: Power consumption
Device variant Power loss at
24 VDC
Current consumption at
rated voltage 24 VDC
Overcurrent protection
at input (non-replacea‐
ble fuse)
X304-2FE 6.2 W 260 mA 3 A / 32 V
X306-1LD FE 4.8 W 200 mA 3 A / 32 V
Technical specifications
8.2 X-300 technical specifications
SCALANCE X-300
Operating Instructions, 11/2019, A5E01113043-24 155