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© Sealevel Systems, Inc.
R5120 & R5140 Manual | SL9212 10/2021
Technical Description, Continued
Ethernet Interface
The Relio R5100 provides two high performance 32-bit Ethernet interfaces fully compliant with IEEE 802.3U
10/100BaseT and IEEE 802.3z/ab 1000BaseT standards. The Ethernet interfaces utilize the Realtek RTL8111B
chipset and are supported by all major network operating systems. Ethernet network connections are made via
the two RJ45 connectors on the rear of the enclosure.
PIN#
Signal
1
TX +
2
TX
–
3
RX +
4
5
6
RX
–
7
8
USB Interfaces
The R5100 is equipped with six high-speed USB 2.0 ports. Four ports are located on the front of the enclosure
and two are located on the rear. The USB interfaces can be disabled in the system BIOS, if required.
Input Power
The power input is located on the rear of the enclosure, below the power switch. The locking Phoenix power
connector accepts from 18VDC to 28VDC at 90W max.
A desktop power supply is included that accepts input power from 90VAC to 264VAC @ 6.32A (47/63Hz). The
power supply outputs 19VDC at 90W max.