5
No
Item
Description
Function
and
Instructions
RST
Button
Reset
button
Holding
the
button
for
five
seconds
restores
the
factory
default
settings
Power
Button
Soft
shutdown
button
Allow
you
to
stop
the
running
system
processes
when
the
device
is
powered
on
miniSAS
interface
2
mini
SAS
(only
available
in
NVR516
‐
128
‐
IN)
Network
storage
expansion
unit
eSATA
(Optional)
Interface
with
external
storage
device
Connecting
to
eSATA
hard
disk
USB
Interface
USB2.0
interface,
limited
to
1A
Connecting
to
an
external
USB
mouse
or
storage
device
RS
‐
232
Interface
Compatible
with
RS232
serial
ports
and
RJ45
connectors
Connecting
to
devices
for
commissioning
and
maintenance
LAN
interface
10/10/1000BASE
‐
T
self
‐
adaptive
Ethernet
electrical
port,
RJ45
connector
Connecting
to
Ethernet
3
Mounting
Installation
Check
Open
the
packing
box
and
check
the
equipment
model,
accessory
types
and
quantities
to
ensure
all
the
components
are
available.For
equipment
model
and
accessory
types
and
quantities,
please
refer
to
the
packing
list.
8
9
10
11
12
13
14