Ruijie RG-PF2920-DPBOX-P Series Installation and operating manual

RG-PF2920-DPBOX-P Series
Switch
Hardware Installation and Reference Guide
Document version: V1.04
Date: 2023-08-03
Copyright © 2023 Ruijie Networks

Copyright
Copyright © 2023 Ruijie Networks
All rights are reserved in this document and this statement.
Any reproduction, excerption, backup, modification, transmission, translation or commercial use of this
document or any portion of this document, in any form or by any means, without the prior written consent of
Ruijie Networks is prohibited.
Trademark and are owned by Ruijie Networks.
All other trademarks or registered trademarks mentioned inthis document are owned by their respectiveowners.
Disclaimer
The products, services, or features you purchase are subject to commercial contracts and terms. Some or all
of the products, services or features described in this document may not be within the scope of your purchase
or use. Unless otherwise agreed in the contract, Ruijie Networks does not make any express or implied
statement or guarantee for the content of this document.
Due to product version upgrades or other reasons, the content of this document will be updated from time to
time. Ruijie Networks reserves the right to modify the content of the document without any notice or prompt.
This manual is for reference only. Ruijie Networks endeavors to ensure content accuracy and will not shoulder
any responsibility for losses and damages caused due to content omissions, inaccuracies or errors.

i
Preface
Intended Audience
This document is intended for:
Network engineers
Technical support and servicing engineers
Network administrators
Technical Support
Ruijie Networks website: https://www.ruijienetworks.com/
Technical support website: https://ruijienetworks.com/support
Case portal: https://caseportal.ruijienetworks.com
Community: https://community.ruijienetworks.com
Technical support mailbox: se[email protected]
Live chat: https://www.ruijienetworks.com/rita
Conventions
1. Signs
The signs used in this document are described as follows:
Warning
An alert that calls attention to important rules and information that if not understood or followed can result in
data loss or equipment damage.
Caution
An alert that calls attention to essential information that if not understood or followed can result in function
failure or performance degradation.
Note
An alert that contains additional or supplementary information that if not understood or followed will not lead to
serious consequences.
Specification
An alert that contains a description of product or version support.
2. Note
The manual offers configuration information (including model, port type and command line interface) for
indicative purpose only. In case of any discrepancy or inconsistency between the manual and the actual version,
the actual version prevails.

Hardware Installation and Reference Guide Product Description
- 1 -
1 Product Description
The RG-PF2920-DPBOX-P is the simplified optical Ethernet (SOE) switch released by Ruijie Networks for all-
optical network scenarios. Theswitch connects to the uplink hybrid cable and provides downlink 1000MEthernet
port, and supports PoE for external power supply.
Table 1-1 Configuration of the RG-PF2920-DPBOX-P
Model
10/100/1000M
Base-T Ethernet
Electrical Port
SFP
Port
Available
PoE Power
Dimensions (W
x D x H)
Cooling
RG-
PF2920-
DPBOX-
P
1
1
30 W
120 mm x 40
mm x 28.7 mm
(4.72 in. x 1.57
in. x 1.13 in.)
Natural heat
dissipation for
fanless design
Note
1000Base-T is downward compatible with 100Base-T.
1.2 RG-PF2920-DPBOX-P
Table 1-2 Technical Specifications of the RG-PF2920-DPBOX-P
Model
RG-PF2920-DPBOX-P
CPU
Built-in CPU and single-core processor
BOOTROM
N/A
Flash Memory
N/A
SDRAM
N/A
Supported Optical
Module
1000base-X supported only
See Appendix B.
The supported optical module types may update without prior notification.
Please contact Ruijie Networks for any updates.
SFP Port
1000Base-X
Power Supply
Rated voltage range: 44 V DC to 57 V DC
Rated current: 0.75 A
EEE
Not supported

Hardware Installation and Reference Guide Product Description
- 2 -
PoE
Maximum overall PoE output power: 30 W
Ethernet electrical ports support PoE.
Maximum Power
Consumption
With PoE load: 33 W
Without PoE load: 3 W
Operating
Temperature
Rack deployment: 0ºC to 45ºC (32°F to 113°F) at the altitude between 0 m
to 1,800 m (0 ft. to 5905.51 ft.)
Desktop or ELV box deployment: 0ºC to 40ºC (32°F to 104°F) at the
altitude between 0 m to 1,800 m (0 ft. to 5905.51 ft.)
At the altitude between 1,800 m (5905.51 ft.) and 5,000 m (16404.2 ft.),
every time the altitude increases by 220 m (721.79 ft.), the maximum
temperature decreases by 1°C (1.8°F).
Storage
Temperature
–40°C to +70°C (–40°F to +158°F)
Operating
Humidity
10% to 90% RH (non-condensing)
Storage Humidity
5% to 95% RH (non-condensing)
Fan Module
Natural heat dissipation for fanless design
Intelligent
Temperature
Control
Temperature alarm and overheat protection
EMC Standard
GB/T 9254.1
Safety Standard
GB 4943.1
Dimensions (W x
D x H)
120 mm x 40 mm x 28.7 mm (4.72 in. x 1.57 in. x 1.13 in.)
Weight
0.2 kg (0.44 lbs) (including the package)

Hardware Installation and Reference Guide Product Description
- 3 -
Nameplate format:
Warning
In a domestic environment, this product may cause radio interference in which case the user may be required
to take adequate measures.
1.2.2 Product Appearance
The front panel of the RG-PF2920-DPBOX-P is equipped with one 10/100/1000MBase-T Ethernet port and one
SFP port. The switch is powered through the 54V_DC port.
Product label information

Hardware Installation and Reference Guide Product Description
- 4 -
Figure 1-2 Appearance of the RG-PF2920-DPBOX-P

Hardware Installation and Reference Guide Product Description
- 5 -
Figure 1-3 Rear Panel of the RG-PF2920-DPBOX-P
Note:
1. 10/100/1000Base-T Ethernet port with
auto-negotiation
2. DC power port
3. SFP port
4. Power supply LED
5. Ethernet electrical port LED
6. Ethernet electrical port PoE LED
7. SFP port LED

Hardware Installation and Reference Guide Product Description
- 6 -
1.3 Power Supply
The RG-PF2920-DPBOX-P uses DC input. The rated values are as follows:
Rated voltage range: 44 V DC to 57 V DC
Rated current: 0.75 A
1.4 Heat Dissipation
The RG-PF2920-DPBOX-P adopts natural heat dissipation to ensure that it works properly in a specified
environment. For the RG-PF2920-DPBOX-P, maintain sufficient clearance on both sides of the chassis and
above the chassis for air circulation. Dust the device every three months to avoid blocking ventilation openings
on the housing.
1.5 LEDs
LED
Panel
Identification
Status
Description
Status LED
PWR
Off
The switch is not powered on.
Solid green
The power supply is normal.
Ethernet
electrical port
LED
LAN
Off
The port is not connected.
Solid green
The port works at the rate of
10/100/1000 Mbps.
Blinking green
The port is sending or receiving
data at the rate of 10/100/1000
Mbps.
Ethernet
electrical port
PoE LED
POE
Off
PoE of the port is disabled.
Solid green
PoE of the port is enabled.
SFP port
LED
SFP
Off
The port is not connected.
Solid green
The port is connected.
Blinking green
The port is sending or receiving
data.

Hardware Installation and Reference Guide Preparing for Installation
- 7 -
2 Preparing for Installation
2.1 Safety Precautions
Warning
To avoid personal injury and device damage, carefully read the safety precautions before you install the
RG-PF2920-DPBOX-P.
The following safety precautions may not cover all possible dangers.
2.1.1 Mounting
Avoid exposing the device to high temperatures, dust, or harmful gases. Do not install the device in
environments that are flammable or explosive. Keep the device away from sources of electromagnetic
interference (EMI), such as large radar stations, radio stations, and substations. Do not subject the device to
unstable voltage, vibrations, or excessive noise.
The installation site should be free from water flooding, seepage, dripping, or condensation.
Select the installation site considering communication network planning, technical requirements for
communication equipment, as well as factors such as climate, hydrology, geology, earthquake risk, electrical
power, and transportation.
Cut off all power supplies and unplug all power cords before mounting the switch in a rack or removing the
switch from a rack.
2.1.2 Handling
Avoid handling the device frequently.
Cut off all the power supplies and unplug all power cords before moving or handling the switch.
2.1.3 Electricity
Observe local regulations and specifications during electric operations. Only qualified personnel can perform
such operations.
Before installing the device, check whether there are hidden risks in the operating environment of the device.
For example, check whether the power socket is grounded and whether the ground is wet.
Determine the location of the indoor emergency power supply switch before installing the device. When an
accident occurs, immediately cut off all power supplies.
Do not place the device in a wet position, and keep the device away from liquid.
Warning
Improper or incorrect electric operations may cause a fire, electric shock, and other accidents, and lead to
severe and fatal personal injury and device damage.

Hardware Installation and Reference Guide Preparing for Installation
- 8 -
2.1.4 ESD
To prevent damage caused by static electricity, pay attention to the following points:
Keep the indoor installation environment clean and dust-free.
Keep the indoor humidity within a certain range.
2.1.5 Laser
The RG-PF2920-DPBOX-P supports various types of optical transceivers available in the market, and these
optical transceivers are Class I laser products. Improper use of an optical transceiver may cause damage.
Therefore, pay attention to the following:
When a fiber transceiver works, ensure that the port has been connected with a fiber or covered by a dust
cap to keep out dust and prevent it from burning your eyes.
When an optical transceiver is working, do not look into its port after removing the optical fiber. Otherwise,
your eyes may be hurt.
Warning
Do not approach or look into any optical port under any circumstances. This may cause permanent damage to
your eyes.
2.2 Installation Site Requirements
The installation site must meet the following requirements to ensure the normal operation and prolonged service
life of the device.
2.2.1 Ventilation
The RG-PF2920-DPBOX-P uses natural heat dissipation. Maintain sufficient clearance around the device for
heat dissipation.
2.2.2 Temperature and Humidity
To ensure the normaloperation and service life of theswitch, maintain an appropriate temperature and humidity
in the environment where the switch is used.
Prolonged exposure of the switch to a high relative humidity environment can result in compromised
insulation of the insulating material, potentially leading to electrical leakage. Additionally, the mechanical
properties of materials may undergo alterations, and there is an increased risk of corrosion for metal
components.
Extended storage of the switch in a low relative humidity environment can result in the shrinkage of insulating
strips, leading to the loosening of fastening screws. Additionally, the occurrence of static electricity becomes
more likely, which poses a risk of damaging internal circuits of the switch.
Extended exposure of the switch to a high ambient temperature environment can result in amplified damage.
The elevated temperature accelerates the aging process of insulating materials, significantly diminishing the

Hardware Installation and Reference Guide Preparing for Installation
- 9 -
performance and reliability of the switch while severely impacting its service life.
Table 2-1 Ambient Temperature and Humidity Requirements of the RG-PF2920-DPBOX-P
Operating Temperature
Relative Humidity
0°C to 45°C (32°F to 113°F) (rack deployment)
10% to 90% RH (non-condensing)
0°C to 40°C (32°F to 104°F) (desktop/ELV box
deployment)
2.2.3 Cleanliness
Dust poses a major threat to the device. The indoor dust takes on a positive or negative static electric charge
when falling on the switch, causing poor contact of the metallic joint. Such electrostatic adhesion may occur
more easily when the relative humidity is low, affecting the service life of the switch and causing communication
faults.
Table 2-2 Requirements for the Dust Content and Granularity in the Equipment Room
Dust
Unit
Maximum Quantity
Dust particles (diameter ≥ 0.5 μm)
Particles/m3
3.5 x 106
Dust particles (diameter ≥ 5 μm)
Particles/m3
3 x 104
Apart from dust, the salt, acid, and sulfide in the air of the equipment room must meet strict requirements.
These harmful substances will accelerate metal corrosion and component aging. Therefore, the equipment
room should be properly protected against the intrusion of harmful gases, such as sulfur dioxide, hydrogen
sulfide, nitrogen dioxide, and chlorine gas.
Table 2-3 Limit Values for Harmful Gases
Gas
Average (mg/m3)
Maximum (mg/m3)
Sulfur dioxide (SO2)
0.3
1.0
Hydrogen sulfide (H2S)
0.1
0.5
Nitrogen dioxide (NO2)
0.5
1.0
Chlorine (CI2)
0.1
0.3
Note
The average value refers to the average value of harmful gases measured in one week. The maximum value
is the upper limit of the harmful gas measured in one week for up to 30 minutes every day.

Hardware Installation and Reference Guide Preparing for Installation
- 10 -
2.2.4 Anti-interference
The switch is susceptible to external interference by capacitive coupling, inductive coupling, electromagnetic
waves, common impedance (ground) coupling, or conduction over power lines, signal lines, and output lines.
Pay attention to the following points:
The switch should be located far away from the high-power radio launch pads, radar launch pads, and high-
frequency large-current devices.
Use electromagnetic interference (EMI) shielding such as shielded interface cables to minimize interference
when necessary.
Route interface cables only indoors to prevent signal ports from being damaged byovervoltage or overcurrent
caused by lightning strikes.
2.2.5 EMI
Both external and internal EMI sources have an impact on the device or application system through mechanisms
such as capacitive coupling, inductive coupling, or electromagnetic waves.
EMI can arise through radiation or conduction, depending on the transmission path.
When energy, typically in the form of radio waves, emitted by one component reaches a sensitive component
through space, it is referred to as radiated interference. The source of interference can be a part of the affected
system or a completely electrically isolated unit. Conducted interference occurs when interference is transferred
from one unit to another through cables, which are typically electromagnetic wires or signal cables connecting
the source and the sensor. Conducted interference often disrupts the power supply of the device, but this can
be mitigated by a filter. Radiated interference may affect any signal path in the device, and is difficult to shield
against. EMI requirements are as follows:
Take interference prevention measures for the power supply system.
Keep the switch far away from high-power radio transmitters, radar launch pads, and high-frequency large-
current devices.
2.3 Tools
Table 2-4 Tools
Common Tools
Phillips screwdriver, slotted screwdriver, copper and optical cables, bolts, diagonal pliers,
and cable ties
Special Tools
Anti-ESD tools
Meters
Multimeter
Note
The RG-PF2920-DPBOX-P is delivered without a tool kit. The tool kit is customer-supplied.

Hardware Installation and Reference Guide Installing the Switch
- 11 -
3 Installing the Switch
Caution
Before reading Chapter 3 Installing the Switch, ensure that you have read Chapter 2 Preparing for
Installation carefully.
Verify that requirements described in Chapter 2 Preparing for Installation have been met.
3.1 Installation Procedure
3.2 Before You Begin
Before installation, ensure that the following requirements are met:
The installation environment meets heat dissipation requirements.
The installation environment meets temperature and humidity requirements.
The power supply and required current are available at the installation site.
Ethernet cables have been deployed at the installation site.
Selected power modules meet power requirements.
Before installing the tail fiber, make sure that the device's optical module and cable gland are not removed,
Install the switch correctly
Connect the power supply
Connect cables
Bundle up cables
Check installation
End

Hardware Installation and Reference Guide Installing the Switch
- 12 -
and keep the corresponding tail fiber connector clean.
3.3 Installing the RG-PF2920-DPBOX-P
Pay attention to the following points:
Connect the power cords of different colors to the corresponding cable terminals.
Ensure that the connector of the power cord is properly seated in the power port of the switch. After plugging
the power cord into the switch, secure the power cord with power cord retention clip.
Do not place anything on the top of the RG-PF2920-DPBOX-P.
Maintain sufficient clearance around the device to ensure good air circulation. Do not stack the device.
Keep the RG-PF2920-DPBOX-P away from high-power radio launch pads, radar launch pads, and high-
frequency large-current devices. Take electromagnetic shielding measures to minimize interference when
necessary, for example, use shielded interface cables.
Take surge protection measures if outdoor cabling is required.
3.4 Verifying the Installation
Warning
Turn off the power to avoid personal injury and damage to components caused by incorrect connections.
After the device is installed, check the following items:
Verify that the cables and power input cables are correctly connected.
Verify that there is sufficient clearance around the device.

Hardware Installation and Reference Guide Common Troubleshooting
- 13 -
4 Common Troubleshooting
4.1 Troubleshooting Flowchart
4.2 Common Troubleshooting
Fault Symptom
Possible Cause
Handling Method
The status LED is off
after the device is
powered on.
No power is supplied to the switch
or the power cord is loose.
Check whether the power socket in the
machine room is normal and whether the
power cord connected to the switch is loose.
The RJ45 port is
disconnected or an
error occurs in frame
receiving or sending.
The connected twisted pair cable is
faulty.
The cable length exceeds 100 m
(328.08 ft.).
The port is specially configured and
does not use the same working
mode as the interconnected switch.
Replace the twisted pair cable.
Check port configurations and check whether
the port works in the same mode as the
interconnected switch.
The device does not function properly
Check whether the switch is properly installed
Check whether power cords are properly connected
Check whether the LEDs are normal
Check whether serial port is connected and whether
parameters are set correctly
Check whether port cables are connected correctly
Contact Ruijie technical support

Hardware Installation and Reference Guide Common Troubleshooting
- 14 -
An optical port cannot
be connected.
Rx and Tx ends are connected
incorrectly.
The types of the interconnected
optical modules do not match.
The optical fiber type does not
meet requirements.
The optical fiber length is beyond
the allowed length marked on the
optical module.
Connect the Rx and Tx ends of the optical
fiber correctly.
Replace optical modules with those of the
same type.
Replace the optical fiber with a qualified one.
Use an optical fiber with the required length.

Hardware Installation and Reference Guide Appendix A Connectors and Media
- 15 -
5 Appendix A Connectors and Media
5.1 1000BASE-T/100BASE-TX/10BASE-T Port
The 1000BASE-T/100BASE-TX/10BASE-T supports auto-negotiation of three rates and automatic MDI/MDIX
crossover at these three rates.
Conforming to IEEE 802.3ab, 1000BASE-T requires 100-ohm CAT5 or CAT5e, or higher 100-ohm UTP or STP
(recommended) with a maximum distance of 100 m (328.08 ft.).
The 1000BASE-T port requires that all four pairs of wires be connected for data transmission.
Figure 5-1 1000BASE-T Twisted Pair Connections
100BASE-TX/10BASE-T uses CAT 3, CAT 4, and CAT 5 100-ohm UTP/STP, and 1000BASE-T uses CAT 5
100-ohm UTP/STP for connections with a maximum distance of 100 m (328.08 ft.). The following table shows
100BASE-TX/10BASE-T pin assignments.
Table 5-1 100BASE-TX/10BASE-T Pin Assignments
Pin
Socket
Plug
1
Input Receive Data+
Output Transmit Data+
2
Input Receive Data-
Output Transmit Data-
3
Output Transmit Data+
Input Receive Data+
6
Output Transmit Data-
Input Receive Data-
4, 5, 7, 8
Not used
Not used
Figure 5-2 shows feasible connections of the straight-through and crossover twisted pairs for a 100BASE-
TX/10BASE-T port.

Hardware Installation and Reference Guide Appendix A Connectors and Media
- 16 -
Figure 5-2 100BASE-TX/10BASE-T Twisted Pair Connections
5.2 Optical Cable Connections
Select single-mode or multimode optical cables according to the module types.
Figure 5-3 Optical Cable Connection

Hardware Installation and Reference Guide Appendix B Optical Modules
- 17 -
6 Appendix B Optical Modules
Ruijie provides supporting SFP modules (mini-GBIC modules) based on the port types of switch modules. You
can select a module to suit your specific needs. This document provides models and technical specifications of
some 1000M SFP modules for reference.
Table 6-1 Models and Technical Specifications of 1000M Mini-GBIC (SFP) Optical Modules
Model
Wavelength
(nm)
Fiber
Type
DDM
(Yes/No)
Max. Transmit
Power
Receive
Power (dBm)
Min.
Max.
Min.
Max.
MINI-GBIC-SX-
MM850
850
MMF
No
–9.5
–3
–17
0
MINI-GBIC-LX-
SM1310
1310
SMF
No
–9.5
–3
–20
–3
GE-SFP-SX
850
MMF
No
–9.5
–3
–17
0
GE-SFP-LX
1310
SMF
No
–9.5
–3
–20
–3
GE-SFP-SX-
SM1550-BIDI
1550TX/1310RX
MMF
No
–10
–5
–17
–3
GE-SFP-SX-
SM1310-BIDI
1310TX/1550RX
MMF
No
–10
–5
–17
–3
GE-eSFP-SX-
MM850
850
MMF
Yes
–9.5
–3
–17
0
GE-eSFP-LX-
SM1310
1310
SMF
Yes
–9.5
–3
–20
–3
GE-SFP-LX-
SM1310
1310
SMF
No
–9.5
–3
–20
–3
GE-SFP-LX03-
SM1550-BIDI
1310TX/1550RX
SMF
Yes
–9
–3
–20
–3
GE-SFP-LX03-
SM1310-BIDI
1310TX/1550RX
SMF
Yes
–9
–3
–20
–3
2.5GE-SFP-LX03-
SM1550-BIDI
1310TX/1550RX
SMF
Yes
–9
–3
–20
–3
2.5GE-SFP-LX03-
SM1310-BIDI
1310TX/1550RX
SMF
Yes
–9
–3
–20
–3