Getting Started With the SEL-3355-2
Date Code 20180212
2
Product Overview
q
LAMP TEST
Button. Press and hold to test front-panel LEDs. Can be programmed to be an on/off or reset button.
w
ENABLED
and
ALARM
LEDs provide operational status. A green
ENABLED
LED indicates normal operation.
The
ALARM
LED illuminates red when a nonoptimal system condition exists.
e
ETHERNET
Status Indicators. Link (
LNK
) indicates that the port is connected, and activity (
ACT
) indicates when data
are being transmitted and received.
r
SERIAL
Status Indicators. Transmit (
TX
) and receive (
RX
) LEDs indicate activity on serial ports.
t
PINHOLE
Button. Provides reset and power functions; requires a pushpin to prevent accidental use.
y
HDD
Activity Indicator. Illuminates when SATA drives are accessed.
u
AUXILIARY
Status Indicators. Three programmable, bicolor LEDs for your custom application.
i
USB
Ports. Two easily accessible ports to connect USB 3.1 peripherals.
o
SATA
Drive Bay. Removable cover plate enables easy access to SATA drives from the front panel.
q
DVI-D
. Connect digital monitors by using native DVI or an HDMI adapter.
w
ETH1
and
ETH2
. Onboard independent Gigabit Ethernet interfaces.
e
USB
Ports. Connect as many as four USB 3.1 peripherals at the rear panel.
r
AUDIO
Ports. Line Input (blue), Line Output (green), and Microphone Input (pink).
t
COM1
and
COM2
. Standard EIA-232 serial ports with config5 Vdc power on Pin 1.
y
DISPLAYPORT
. Connect new digital monitors supporting the DisplayPort interface.
u
ALARM
. The Form C alarm contact output can be wired either normally closed or normally open.
i
PCI
Expansion Slots. Install SEL or third-party PCI or PCI Express expansion cards for additional network, serial,
or other application-specific I/O.
o
Earth Ground
Terminal Screw. The earth ground connection for the SEL-3355-2.
a
POWER
Supply Modules. The rated input voltage is clearly marked on the chassis near the terminals.
q
w
e
r
y
t
u
i
o
a
q
y
t
r
e
w
i
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