qpcom QP-748MI Hardware User Manual
QP-748MI User Manual
Version 1.0
www.qpcom.com
Hardware User Manual
Industrial Managed Ethernet Switch
QP-748MI
QP-748MI User Manual
Version 1.0
www.qpcom.com
Contents
Overview ................................................................................................................................................. 1
Package Check List ............................................................................................................................ 1
Hardware Description ............................................................................................................................. 2
Front Panel Instruction ...................................................................................................................... 2
Dimensions ......................................................................................................................................... 2
Top View ............................................................................................................................................ 3
LED Instruction ................................................................................................................................... 3
Reset Button ...................................................................................................................................... 4
USB Port ............................................................................................................................................. 4
Hardware Installation ............................................................................................................................. 5
SFP Cabling ......................................................................................................................................... 5
Wiring Power Inputs ........................................................................................................................... 6
Wiring Fault Alarm ............................................................................................................................. 7
Wiring Digital Inputs .......................................................................................................................... 7
Double-Secure Power Input Fault Alarm ........................................................................................... 7
Mounting ............................................................................................................................................. 8
Installation Steps ............................................................................................................................... 9
Specification .......................................................................................................................................... 10
QP-748MI User Manual
Version 1.0
1
Overview
This user manual is for QP-748MI is an industrial managed gigabit Ethernet switch with the following hardware
features:
Interface
▪ MDI/MDI-X function supported on all copper ports
▪ Embedded 8x Gigabit Ethernet ports + 4x 1000 SFP Slot
▪ Store-and-forward switching architecture
Switch Properties
▪ Up to 16K MAC Address Table supported
▪ Up to 16000bytes Jumbo Frame supported
▪ Up to 12Mbits Packet Buffer supported
Power Input
▪ Redundant 12-48VDC power
Temperature
▪ Standard operating temperature: -10°C ~ 60°C (14°F ~ 140°F)
▪ Extended operating temperature: -40°C ~ 75°C (-40°F ~ 167°F)
▪ Storage temperature: -40°C ~ 85°C (40°F ~ 185°F)
Mechanical Construction
▪ Class IP30 protection
▪ DIN-Rail Mounting, Optional Wall Mounting
PACKAGE CHECK LIST
The QP-748MI is shipped with the following items. Ensure that all the items are in the box. If any item
is missing or damaged, contact us for assistance.
▪ QP-748MI switch x 1
▪ Protective caps for 8x copper ports, 4x SFP slots, 1x USB port, and 1x RJ45 console port
▪ User manual CD x 1
▪ Wall mount brackets and screws (Optional)
▪ RJ45 to RS232 Serial console cable x 1
QP-748MI User Manual
Version 1.0
2
Hardware Description
FRONT PANEL INSTRUCTION
The following picture is the front panel for "QP-748MI".
DIMENSIONS
WxHxD: 72x145x118 mm
QP-748MI User Manual
Version 1.0
3
TOP VIEW
This is the top view of the QP-748MI containing the
ground, power inputs, and fault alarm relay.
LED INSTRUCTION
System LEDs
LED
Color
Status
Description
PWR1
Green
On
Power is supplied on the power input 1.
Off
Power is not supplied on the power input 1.
PWR2
Green
On
Power is supplied on the power input 2.
Off
Power is not supplied on the power input 2.
Fault
Green
On
The system boots up and in normal operation.
Off
The system is powered off or during booting.
Red
On
The configured event of failure is triggered.
RM
Green
On
This device has the Ring Master.
Off
The Ring Master is not on the device.
Ring
Green
On
The Ring protocol is enabled and works normally.
Flickering
The Ring protocol is enabled, but works abnormally.
Off
The Ring protocol is disabled.
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