3Com Power Supply PSE2500 A3 User Manual

PSE2500-A3  
External PoE Power System  
User Manual  
Hangzhou Huawei-3Com Technology Co., Ltd  
Manual Version: V1.00  
 
About This Manual  
Organization  
H3C PSE2500-A3 External PoE Power System User Manual is  
organized as follows:  
Chapter  
1 Introduction  
Contents  
Introduces the concept and  
features of power supply.  
Introduces the structure and  
electrical connection of power  
supply.  
2 System Description  
3 Safety  
Introduces the safety information of  
the overall system.  
Introduces the installing and  
4 Installation and Debugging debugging of the overall system.  
Introduces the routine  
5 Engineering Maintenance  
maintenance and troubleshooting  
and Troubleshooting  
of the system.  
Conventions  
The manual uses the following conventions:  
 
I. Command conventions  
Convention  
Description  
Boldface  
The keywords of a command line are in  
Boldface.  
italic  
Command arguments are in italic.  
Items (keywords or arguments) in square  
brackets [ ] are optional.  
[ ]  
Alternative items are grouped in braces  
and separated by vertical bars. One is  
selected.  
{ x | y | ... }  
[ x | y | ... ]  
{ x | y | ... } *  
Optional alternative items are grouped in  
square brackets and separated by vertical  
bars. One or none is selected.  
Alternative items are grouped in braces  
and separated by vertical bars. A minimum  
of one or a maximum of all can be selected.  
Optional alternative items are grouped in  
square brackets and separated by vertical  
bars. Many or none can be selected.  
[ x | y | ... ] *  
#
A line starting with the # sign is comments.  
II. GUI conventions  
Convention  
Description  
Button names are inside angle brackets.  
For example, For example, click <OK>.  
< >  
 
Convention  
Description  
Window names, menu items, data table  
and field names are inside square  
brackets. For example, pop up the [New  
User] window.  
[ ]  
/
Multi-level menus are separated by forward  
slashes. For example, [File/Create/Folder].  
III. Symbols  
Convention  
Description  
Means reader be extremely careful.  
Improper operation may cause bodily  
injury.  
Warning  
Means reader be careful. Improper  
operation may cause data loss or damage  
to equipment.  
Caution  
Note  
Means a complementary description.  
Environmental Protection  
This product has been designed to comply with the requirements  
on environmental protection. For the proper storage, use and disposal  
of this product, national laws and regulations must be observed.  
 
User Manual  
PSE2500-A3 External PoE  
Power System  
Table of Contents  
Table of Contents  
i
 
User Manual  
PSE2500-A3 External PoE  
Power System  
Chapter 1 Introduction  
Chapter 1 Introduction  
1.1 Architecture and Configurations  
PSE2500-A3 power system is the extremely flexible system with  
strong functions which are designed for PoE application.It can provide  
power of up to 2500 W with 1+1 redundant configuration.  
PSE2500-A3 architecture integrates two rectifiers (maximum 3  
rectifiers), a system controller, and the distribution module in a 4U high  
chassis. Local monitor and control of the device status can be  
implemented with the system controller.  
The general configuration is shown as follows:  
Table 1-1 PSE2500-A3 configuration  
Description  
Standard Configuration  
D x W x H- 380 x 486 x 175mm(14.96 x  
19.13x6.89 in)  
4U high chassis  
System  
controller  
One  
NP series  
Rectifier  
One NP2500UAC-PoE  
1) Three independent lines AC power input each  
of socket – with an individual switch  
AC distribution  
components  
2) 3-phase AC voltage sensor  
1-1  
 
 
User Manual  
PSE2500-A3 External PoE  
Power System  
Chapter 1 Introduction  
Description  
Standard Configuration  
DC distribution  
components  
Single load output with the max. Load of 2500W  
-
Other  
Figure 1-1 PSE2500-A3 system  
Note:  
PSE2500-A3 system is configured with one rectifier modules.  
1-2  
 
User Manual  
PSE2500-A3 External PoE  
Power System  
Chapter 1 Introduction  
1.2 Features  
PSE2500-A3 system has the following features:  
z
Compatible with a wide range of input voltages from 90Vac  
to 264Vac (configured with NP2500UAC-PoE rectifiers).  
Each bracket is configured with three rectifiers.  
Power factor is above 0.99 and efficiency is over 88% .  
Maximum device output 2500W.  
z
z
z
z
System Controller can real-time monitor and operate the  
system.  
z
z
Applying hot-swappable components to accomplish quick  
installation.  
Achieving remote control through RS232 or RS485  
interface.  
z
z
Advanced EMC design.  
High Safety and reliability.  
(1)(2)(3): NP2500UAC-PoE Rectifier  
Figure 1-2 PSE2500-A3 configuration (I)  
1-3  
 
 
User Manual  
PSE2500-A3 External PoE  
Power System  
Chapter 1 Introduction  
(a): AC Input Socket  
(c): RS232 and RS485  
(b): DC Output  
(d): Frame Ground  
Figure 1-3 PSE2500-A3 configuration (II)  
1-4  
 
User Manual  
PSE2500-A3 External PoE  
Power System  
Chapter 2 System Description  
Chapter 2 System Description  
2.1 Overview  
Figure 2-1 shows the schematic diagram of the PSE2500-A3  
power system, showing the interconnections and signal flow among  
the modules and components.  
Figure 2-1 Schematic diagram of the PSE2500-A3  
2.1.1 Rectifier  
The output bus power is supplied by the rectifiers.  
2-1  
 
 
User Manual  
PSE2500-A3 External PoE  
Power System  
Chapter 2 System Description  
2.1.2 Rectifier Bracket  
Up to three rectifiers can be mounted in each system of rectifier  
bracket. Each rectifier in the bracket receives AC power from the AC  
distribution.  
2.1.3 Rectifier Visual Displays  
The front panel of the rectifier has three LEDs. Their names,  
colors and meanings are as follows.  
Table 2-1 LEDs state description  
AC OK  
(green)  
DC OK  
(green)  
Fault  
(Red)  
Condition  
All OK  
1
1
1
0
0
0
Thermal alarm  
(Ambient)  
Thermal alarm (fan fail)  
Blown AC fuse in unit  
1
1
0
0
1
1
Low or no AC > 15mS  
(single unit)  
0
0
0
0
0
0
AC not present in any  
rectifier  
Over Voltage Latched  
shutdown  
1
1
0
0
1
1
Any internal failure  
The Front panel of the rectifier is as follows.  
2-2  
 
 
User Manual  
PSE2500-A3 External PoE  
Power System  
Chapter 2 System Description  
Figure 2-2 Front panel of the rectifier  
2.2 Controller  
The system controller of PSE2500-A3 is installed within the  
chassis. See figure 2-3.  
Figure 2-3 Front panel of the controller  
There are green LED (RUN) indicating operation status and red  
LED (ALM) indicating the alarm on the front panel of the PSE2500-A3  
controller. When the system has an alarm, such as input failure, input  
over-voltage or under-voltage, output over-voltage or under-voltage,  
2-3  
 
 
User Manual  
PSE2500-A3 External PoE  
Power System  
Chapter 2 System Description  
rectifier failure, rectifier self-protection, the red LED is on. Once the  
alarm is gone, the red LED goes off.  
The controller of the PSE2500-A3 has two major functions:  
I. Monitoring the system operation status  
Inside PSE2500-A3 there is an AC sensor card, which can  
sample the AC input voltage. The sampled signal is sent into the  
controller for data processing. Once the input voltage is lower than the  
pre-set alarm level of the input low voltage, the controller reports an  
AC input under-voltage alarm. Likewise, if the input voltage is higher  
than the pre-set alarm level of the input high voltage, the controller  
reports an AC input over-voltage alarm.  
The sampled DC output voltage signal is also sent into the  
controller. Once the output voltage is lower than the pre-set alarm  
level of the output low voltage, the controller will reports a DC Low  
alarm. Likewise, if the output voltage is higher than the pre-set alarm  
level of the output high voltage, the controller reports a DC output high  
alarm.  
The rectifier communicates with the controller through RS485  
bus. The working status of the rectifier is passed to the controller in  
this way. Once the rectifier has an alarm, the information is passed to  
the controller. The rectifier failure alarm includes: AC input failure, DC  
output failure, fan failure, output high, over temperature, and module  
shut-down.  
II. Communicate with deamon systems  
The controller supports China national standard protocol YD/T  
1104-2001. User can apply this protocol to read system information or  
2-4  
 
User Manual  
PSE2500-A3 External PoE  
Power System  
Chapter 2 System Description  
command the operation through equipment which has RS232 or  
RS485 interface and can support this protocol.  
There is one RS485 port and one RS232 interface on the rear  
panel.  
Their definitions are as follows:  
Table 2-2 RS232  
Pin  
Definition  
1
2
3
4
5
6
7
8
9
Not used  
Receive  
Transmit  
Not used  
Ground  
Not used  
Not used  
Not used  
Not used  
Table 2-3 RS485  
Pin  
Definition  
1
2
3
Transmit, +  
Transmit, -  
Receive, +  
2-5  
 
User Manual  
PSE2500-A3 External PoE  
Power System  
Chapter 2 System Description  
Pin  
Definition  
4
5
6
7
8
Ground  
Not used  
Receive, -  
Ground  
Not used  
2.3 AC Distribution Unit  
There are three AC input sockets on the rear panel of the device  
rating at 20 A, 250VAC. Each socket supplies one rectifier module.  
There are three switches beside each socket which is rated at 20 A  
250VAC. They control the on/off of each supply.  
2.4 DC Distribution Unit  
Copper bus bars and two 10 mm2 cables provide 54 VDC output  
of the device. You can connect the output of this device to user  
equipments by using them.  
Figure 2-4 Distribution panel  
2-6  
 
 
User Manual  
PSE2500-A3 External PoE  
Power System  
Chapter 3 Safety  
Chapter 3 Safety  
3.1 Safety Statements  
Please read and follow all safety instructions and warnings before  
servicing the PSE2500-A3 system. Reference the individual module  
product manuals for additional safety statements specific to the  
modules.  
z
The device must be in a restricted access area (dedicated  
equipment rooms, equipment closets, or the like) where the  
applicable requirements of the device are met.  
z
The equipment must be in a controlled environment (an area  
where the humidity is maintained at levels that cannot cause  
condensation on the equipment, the contaminating dust is  
controlled, and the steady-state ambient temperature is  
within the range specified).  
z
z
Do not install this equipment at a combustible place.  
This equipment has been evaluated for use in a continuous  
ambient temperature of up to 50°C.  
z
z
z
z
Torque electrical connections conform to the values  
specified on labels or in the product documentation.  
Refer to the product documentation for the proper hardware.  
Use only the parts specified in the equipment documentation  
Improper fuses/circuit breakers may cause body injury or  
equipment damages.  
External circuit breakers must be sized as required by the  
applicable local codes. Refer to the equipment ratings to  
3-1  
 
 
User Manual  
PSE2500-A3 External PoE  
Power System  
Chapter 3 Safety  
assure rating of equipment no to exceed 80% of the value of  
the breaker chosen.  
3.2 Warning Statements and Safety Symbols  
The symbols may sometimes be accompanied by some types of  
statement, for example “Hazardous voltage/energy inside”, “Risk of  
injury”. “This device must be accessed only by qualified personnel.”  
This symbol identifies the need to refer to  
the equipment instructions for important  
information.  
This symbol is used to identify the  
protective safety earth ground for the  
equipment.  
This symbol is used to identify other  
bonding points within the equipment.  
This symbol is used to identify the  
presence of hazardous ac or dc  
voltages.It may also be used to warn of  
hazardous energy levels  
Note:  
These symbols are used to identify the presence of hazardous AC/DC  
main voltage and also can be used to alarm the level of danger.  
3-2  
 
 
User Manual  
PSE2500-A3 External PoE  
Power System  
Chapter 3 Safety  
3.3 Precautions  
When working on this type of equipment, the following  
precautions must be noted:  
z
This unit must be installed, serviced, and operated only by  
skilled and qualified personnel who have the necessary  
knowledge and practical experience with electrical  
equipment and who understand the hazards that can arise  
when working on this equipment.  
z
The PSE2500-A3 system can be powered by multiple AC  
inputs. Ensure that the appropriate circuit protection device  
for each AC input being serviced is disconnected before  
servicing the equipment.  
z
z
High leakage currents may be possible on this type of  
equipment. Make sure the equipment is properly earth  
grounded before connecting power.  
Hazardous energy and voltages are present in the device  
and on the interface cables that can shock or cause serious  
injury. Follow all safety warnings and practices when  
servicing this equipment.  
z
Exercise care when servicing this area.  
In addition to proper job training and safety procedures, the  
following are some basic precautions that should always be used:  
z
z
Use only properly insulated tools.  
Remove all metallic objects (key chains, glasses, rings,  
watches, or jewelry, and so on).  
z
z
Wear safety glasses.  
Test circuits before touching.  
3-3  
 
 
User Manual  
PSE2500-A3 External PoE  
Power System  
Chapter 3 Safety  
z
Lock out and tag any circuit breakers/fuses when possible to  
prevent accidental turn on.  
z
z
Be aware of potential hazards before servicing equipment.  
Identify exposed hazardous electrical potentials on  
connectors or, wirings. (Note the condition of these circuits,  
especially any wiring).  
z
Be careful when removing or replacing any covers – avoid  
contacting any circuits.  
3-4  
 
User Manual  
PSE2500-A3 External PoE  
Power System  
Chapter 4 Installation and  
Debugging  
Chapter 4 Installation and Debugging  
4.1 Introduction  
This section outlines the sequence for installing the PSE2500-A3  
device, including plug-in modules, as well as test procedures for  
verifying the integrity of the installation.  
4.1.1 Guidelines  
The device may be installed to allow rear and front access. All  
cables may be routed through conduit openings, and all the operation  
can be completed on the front side.  
4.1.2 EMI Considerations  
When running the dc output cables, pair the positive and negative  
conductors over as much of their length as possible to minimize loop  
areas.  
4.1.3 Installation Tools and Hardware  
You will need the following tools and hardware to install and test  
the PSE2500-A3 unit:  
z
z
z
Wire cutters and strippers  
Heat shrink gun and appropriately sized heat-shrink tubing  
Electric screwdriver with 6 mm (0.24 in.) hex head with  
variable torque range, 0 to 120 in lbs (0 to 13.6 N.m)  
Adjustable wrench  
z
z
M8 sleeve  
4-1  
 
 
User Manual  
PSE2500-A3 External PoE  
Power System  
Chapter 4 Installation and  
Debugging  
z
z
z
Digital meter with an accuracy of ± 0.02%  
Small flat screw driver  
ESD wrist strap  
4.1.4 Safety  
Warning:  
z
z
Only qualified personnel can install and service the PSE2500-A3  
device.  
Hazardous energy is present in the device and on the interface  
cables, and ill shock or cause serious injury or death if safety  
precautions are ignored. Follow all safety warnings and practices  
when servicing this equipment.  
4.1.5 Installation Sequence  
Review all safety warnings in Section 3 before beginning the  
installation process. Observe all warnings and labels on the  
equipment.  
The PSE2500-A3 system consists of a chassis in which includes  
AC and DC distribution modules, one system controller, and one  
rectifier bracket. Refer to Figures 2-6 and figure 2-7 for relationship of  
components.  
4-2  
 
 
User Manual  
PSE2500-A3 External PoE  
Power System  
Chapter 4 Installation and  
Debugging  
Note that the PSE2500-A3 is shipped to the customer site mostly  
pre-assembled so as to minimize the overall installation process. The  
following installation sequence is recommended  
z
z
z
z
z
z
Physical mounting  
Installing rectifiers  
Frame grounding  
Connecting to loads  
Connecting to AC utility/AC grounding  
Initializing the system  
4.2 Physical Mounting  
All items needed for a site are contained within the packing crate.  
The ordered rectifiers may be shipped separately. Please check the  
packing list.  
1) Place the crate in its vertical position near the installation  
site.  
2) Carefully remove the crate top and sides and then the  
packing material. If possible, recycle the packing crate and  
the packing material. If not, dispose of properly.  
3) Within the packing crate may be the following items: chassis,  
rectifiers, and cables. Remove all this material and place  
aside.  
4) Install the chassis into the 19-inch standard cabinet by using  
eight pieces of M6 screws. Notes that use the electric  
screwdriver and correct torque setting (recommend 6.2 to  
6.5 N.m). See figure 4-1.  
4-3  
 
 
User Manual  
PSE2500-A3 External PoE  
Power System  
Chapter 4 Installation and  
Debugging  
Figure 4-1 Physical installation  
4.3 Installing Rectifiers  
Standalone rectifier is installed by sliding into the power bracket,  
pushing until the rectifier is fully inserted, and closing the handle on  
the rectifier.  
1) Verify that the AC circuit breakers in the distribution module  
are in the “OFF” position  
2) Place the module in the bracket and slide it toward the  
backplane until it contacts the backplane  
3) Close the handle on the front of the rectifier and verify that  
the rectifier is firmly seated.  
See Figure4-2 for the rectifier installation.  
4-4  
 
 
User Manual  
PSE2500-A3 External PoE  
Power System  
Chapter 4 Installation and  
Debugging  
Figure 4-2 Installing rectifiers  
4.4 Frame Grounding  
Before connecting the electrical cables to the system, you must  
first ground the frame.  
1) Recommended the 16 mm2 cable with a M6 single hole  
terminal lug is connected to PE grounding terminal on the  
rear of the chassis, as shown in Figure 4-3.  
2) Follow all local rules in terms of colors for the frame  
grounding conductor. Terminate the other end of the  
conductor to a grounding plate or other acceptable ground  
point.  
4-5  
 
 
User Manual  
PSE2500-A3 External PoE  
Power System  
Chapter 4 Installation and  
Debugging  
Figure 4-3 Frame grounding  
4.5 Load Connections  
All the load connections must be connected to the OT type  
terminal of the device’s output cable. The positive load cable must be  
connected to load positive terminal and the negative load cable must  
be connected to load negative terminal. Choose the appropriate size  
cables based on load currents.  
Figure 4-4 Load connections  
4-6  
 
 
User Manual  
PSE2500-A3 External PoE  
Power System  
Chapter 4 Installation and  
Debugging  
4.6 Connecting to AC utility/ AC grounding  
The AC main inputs can be accessed from the back of the unit.  
Recommended IEC 320C-19 plug/socket and appropriate cable for  
AC input connection.  
AC cable for branch circuit must be sized as required by the U.S.  
National Electric Code (the cable length shall be minimum 1.5m and  
not exceed 4.5m) and /or local codes.  
Power plugs for the equipment appliance inlet must be plugged  
into independent wall socket outlet to ensure the earth connection  
through the supply. The socket outlet shall be installed near the  
equipment and shall be easily accessible.  
The AC utility connection must follow this procedure:  
1) Turn off the AC input switch.  
2) Plug the AC input power cord into the corresponding AC  
socket.  
For related connection position see figure 4-4.  
4.7 Initial Start-up  
The device is ready to be powered up. First, verify that all AC  
branch circuit breakers are OFF.  
4.8 Powering on the Device  
z
Ensure that all rectifiers are locked into position in the  
bracket with the front handle.  
z
z
Turn the AC service circuit breakers ON.  
Turn the AC branch circuit breakers ON.  
1) Turn the AC switches of rectifiers ON.  
4-7  
 
 
User Manual  
PSE2500-A3 External PoE  
Power System  
Chapter 4 Installation and  
Debugging  
2) Verify that the “AC OK”, “DC OK”, and green LED are on and  
the fan operates on each rectifier.  
3) Wait approximately 10-30 seconds to allow the system to go  
through its start-up procedure.  
4) Verify that the green LED on the controller panel is on. All  
alarm LEDs should be off after all rectifiers are latched in  
place and all AC circuit breakers are closed.  
5) Using a digital voltmeter to verify that the plant voltage is  
approximately 54V, the default factory setting for the  
controller.  
6) Turn one the AC power input switch off to verify that the red  
alarm LED lights on the controller.  
7) For systems with more than one rectifier installed, turn the  
second AC input switch off to verify that the FAULT LED  
lights on the controller. Clear the alarms by turning the AC  
circuit breaker on.  
When the system shipped from the factory, normally all the  
systems parameters have been configured as the default value.  
Contact Hangzhou Huawei-3Com Technology Co., Ltd. if special  
setting is needed.  
4-8  
 
User Manual  
PSE2500-A3 External PoE  
Power System  
Chapter 5 Engineering  
Maintenance and  
Troubleshooting  
Chapter 5 Engineering Maintenance  
and Troubleshooting  
5.1 Maintenance and Troubleshooting  
This section provides field maintenance and troubleshooting  
information and procedures for the power system. Before performing  
the maintenance procedures, review the safety information in Section  
3.  
Warning:  
All procedures described in this section must be performed by  
qualified maintenance personnel only.  
The power devices are repaired by replacement. Contact  
Hangzhou Huawei-3Com Technology Co., Ltd. for more details.  
5.2 LED Indication  
Use the following table to determine if there is any problem with  
PSE2500-A3 power system with a controller.  
When visual indicators do not identify a defective part, notify  
Hangzhou Huawei-3Com Technology Co., Ltd.  
5-1  
 
 
User Manual  
PSE2500-A3 External PoE  
Power System  
Chapter 5 Engineering  
Maintenance and  
Troubleshooting  
Table 5-1 Troubleshooting guide  
Controller  
alarm  
status  
Rectifier  
display  
Possible  
problems  
Possible solution  
z
The  
AC  
power input  
circuit  
breakers  
has  
z
z
Verify that AC power  
input circuit breaker  
is closed; close  
circuit breaker if it is  
open.  
Verify the AC power  
is present and in  
normal range  
RUN  
NONE  
operated.  
ALM  
z
AC  
voltage  
input  
is  
too low or  
power lost  
Rectifier failure  
RUN  
ALM  
AC OK  
FAULT  
Replace the rectifier  
Replace the rectifier  
Output beyond  
normal range  
Communication  
error between  
the rectifier and  
the controller  
AC OK  
DC OK  
FAULT  
RUN  
ALM  
Rectifier has no  
output and it is  
in standby  
Command the rectifier  
to work or reset the  
controller  
mode;  
RUN  
ALM  
Check if the load is over  
the rating.  
Over load;  
AC OK  
Ambient  
temperature is  
too high  
Check the ambient  
temperature.  
Replace the rectifier  
Rectifier failure;  
5-2  
 
User Manual  
PSE2500-A3 External PoE  
Power System  
Chapter 5 Engineering  
Maintenance and  
Troubleshooting  
Controller  
Rectifier  
alarm  
Possible  
problems  
Possible solution  
display  
status  
ALM or  
any  
Controller  
failure  
Replace the controller  
None  
5.3 Regulatory compliance standards  
Table 5-2 Regulatory compliance standards  
Discipline  
Standards  
FCC Part 15 (CFR 47) Class A  
CISPR 22 Class A  
EN 55022 Class A  
EMC  
AS/NZS CISPR 22 Class A  
ETSI EN 300 386 V1.3.2  
EN 55024  
UL 60950-1  
CSA C22.2 No 60950-1  
IEC 60950-1  
Safety  
EN 60950-1  
AS/NZS 60950-1  
5-3  
 
 

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