HP A RPS800 User Manual

HP A-RPS800  
Redundant Power System  
User Guide  
59981608  
Part number: 5998-1608  
Document version: APW100-20110420  
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Warranty  
The Hewlett-Packard Limited Warranty Statement for this product and  
the HP Software License Terms which apply to any software  
accompanying this product are available on the HP networking Web  
site at www.hp.com/networking/warranty. The customer warranty  
support and services information are available on the HP networking  
Web site at www.hp.com/networking/support. Additionally, your  
HP-authorized network reseller can provide you with assistance, both  
with services that they offer and with services offered by HP.  
Documentation  
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select the Support & Troubleshooting link.  
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Contents  
i
Product overview  
Introduction  
The A-RPS800 (JD183A) is an external DC power supply that uses AC  
input and provides DC output for multiple switch and router models as a  
redundant backup power supply system.  
The A-RPS800 supports cold backup of power supply, which means that  
the A-RPS800 only switches to the RPS output state when it detects a  
power supply failure of the powered device. When the powered  
device’s own power supply system is functioning, the RPS only works in  
the monitoring mode, without feeding power to the powered device.  
The output of the A-RPS800 is controlled by a control pin. When the  
powered device’s own power supply system fails, a LOW signal is sent  
to the control pin of the RPS unit. Upon receiving this LOW signal, the  
RPS unit switches to the RPS output state within 2 ms.  
If using the same AC power source with the powered device, the  
A-RPS800 can timely provide DC supply to the powered device when  
the internal power supply system of the powered device fails.  
If using a different AC power source from the powered device, the  
A-RPS800 can timely provide DC supply to the powered device when  
the AC power source to the device fails, thus ensuring uninterrupted  
operation of the device.  
1
     
NOTE:  
For some models of powered devices, the control pin of the  
A-RPS800 can be controlled through a special cable to support hot  
backup of power supply. When the power supply systems of the  
powered devices operate properly, the RPS unit also provides part  
of the power feed to the devices; when the power supply system of a  
powered device fails, the RPS unit becomes an independent power  
supply system to feed that powered device.  
Features  
The A-RPS800 can provide selective DC outputs. Depending on the  
connected DC output cable(s), the RPS unit can provide +12 VDC or  
–54 VDC power supply to the powered device, or +12 VDC and –54  
VDC outputs concurrently to the powered device.  
NOTE:  
As optional parts for the A-RPS800, different types DC output cables  
are available depending on the requirement of the powered device.  
For more information about the DC output cables, consult HP  
marketing or customer service staff.  
2
   
Front panel  
Figure 1 Front panel of the A-RPS800  
(1) AC Input LED (PWR)  
(2) DC output LED (OUT)  
Rear panel  
Figure 2 Rear panel of the A-RPS800  
(1) Grounding screw  
(2) AC input  
(3) DC output  
3
     
LEDs  
Table 1 LED description  
Mark on  
panel  
LED  
Status  
Meaning  
On  
Off  
The AC input to the RPS is normal.  
AC  
input  
LED  
PWR  
OUT  
The AC input to the RPS is  
abnormal.  
The RPS works in the RPS output  
state and the output of the RPS is  
normal.  
On  
Off  
DC  
output  
LED  
The RPS works in the monitoring  
mode and there is no output from  
the RPS.  
NOTE:  
The OUT LED lights up only when the A-RPS800 switches to the RPS  
output state. When the A-RPS800 works in the monitoring mode, its  
OUT LED stays off.  
4
   
Technical specifications  
Table 2 Technical specifications of the A-RPS800  
Item  
Specifications  
44 × 441 × 182 mm (1.73 ×  
17.36 × 7.17 in)  
Dimensions (H × W × D)  
Weight  
Input  
< 3.8 kg (<8.38 lb)  
100 to 240 VAC, 50/60 Hz  
–54 V/12 A  
+12 V/17.25 A  
Available outputs  
+12 V output only  
210 W  
650 W  
Maximu  
m power  
consump  
tion  
–54 V output only  
210 W for +12 V output  
440 W for –54 V output  
Total: 650 W  
+12 V and –54 V  
outputs  
simultaneously  
Operating temperature  
0°C to 45°C (32°F to 113°F)  
10% to 90%  
Operating relative humidity  
(non-condensing)  
NOTE:  
The design of this product complies with environmental protection  
requirements. Be sure to observe the relevant local laws and  
regulations when storing, using or disposing of this product.  
5
   
Installation  
Precautions  
To avoid any device impairment or bodily injury because of improper  
use, follow the precautions listed below:  
Do not place the RPS unit on an unstable case or tabletop, and  
ensure that the rack and the workbench are firm enough to support  
the RPS unit and its accessories.  
Make sure that the ventilation and heat dissipation systems of the  
rack and the table-top are good. Make sure that enough room is  
left around the air intake and outlet of the RPS unit to allow good  
heat dissipation.  
This RPS unit is designed for indoor use only. Make sure that the  
temperature in the equipment room is within the range of 0°C to  
45°C (32°F to 113°F), and the humidity within the range of 10% to  
90%.  
Keep the RPS unit away from any heavy-duty radio transmitter,  
radar transmitter, and high-frequency devices working in high  
current. Take electromagnetic shielding measures if necessary.  
Use a single-phase three-wire power socket with a neutral point  
connector or a multi-functional power socket for computers. Make  
sure that the neutral point of the power source is well grounded.  
Make sure that the power source satisfies the voltage requirement  
of the RPS unit.  
Interface cables must be routed indoors. Otherwise, over-voltage  
and over-current may damage the device. As for power cables  
6
     
from the outside of the building, you may add a dedicated  
lightening arrester at the input end of the cable.  
To enhance lightening protection, you may need to add a power  
lightening arrester at the input end.  
Wear an ESD-preventive wrist strap when installing the RPS unit,  
and make sure that the wrist strap makes good skin contact.  
To avoid electric shock, NEVER open the chassis of the RPS unit  
while it is in operation; try not to open the RPS unit even if it is not  
electrified.  
Unplug the power cord before cleaning the RPS unit.  
Keep the equipment room clean. The limits on the concentrations of  
dust and harmful gases in the equipment room are shown in the  
following tables:  
Table 3 Limit on dust concentration  
Mechanical active  
material  
Limit (particles/m³)  
3 × 104 (No visible dust on tabletop over  
three days)  
Dust particles  
Note: Dust particle size 5μm  
Table 4 Limits on harmful gas concentration  
Gas  
Limit (mg/m3)  
SO2  
H2S  
0.2  
0.006  
7
Gas  
Limit (mg/m3)  
NH3  
Cl2  
0.05  
0.01  
Installing the RPS unit  
The A-RPS800 can be installed either in a 19-inch standard rack or  
directly on a tabletop.  
Installing the RPS unit to a 19-inch rack  
Follow these steps to install the RPS unit to a 19-inch rack:  
Step1 Put on an ESD-preventive wrist strap and check the grounding  
and stableness of the rack.  
Step2 Attach a mounting bracket to the front end of the RPS unit by  
using screws, as shown in Figure 3. Attach the other mounting  
bracket in the same way.  
Figure 3 Install the RPS unit to a 19-inch rack (I)  
8
       
Step3 Place the RPS unit horizontally to an appropriate position in the  
rack, and then fix the mounting brackets to the front  
square-holed brackets of the rack with M6 screws and cage  
nuts, as shown in Figure 4.  
Figure 4 Install the RPS unit to a 19-inch rack (II)  
Installing the RPS unit on a tabletop  
If a 19-inch standard rack is not available, you can place the RPS unit  
directly on a clean, stable tabletop. Follow these steps to install the RPS  
unit on a tabletop:  
Step1 Cautiously turn the RPS unit upside down. Then, use a piece of  
dry, soft cloth to remove any oil stain or dust from the dents on  
the bottom of the chassis.  
Step2 Peel off the stickers on the supplied foot pads and paste the foot  
pads into the dents on the chassis bottom.  
9
     
Step3 Turn over the RPS unit and place it on the tabletop. Verify the  
stableness and good grounding of the table.  
Connecting the grounding cable  
WARNING!  
Correctly connecting the grounding cable is crucial to lightning  
protection and EMI protection.  
Follow these steps to attach the OT terminal of the grounding cable to  
the grounding hole of the RPS unit:  
Step1 Remove the grounding screw from the rear panel of the RPS  
unit.  
Step2 Attach the grounding screw to the OT terminal of the grounding  
cable.  
Step3 Use a screwdriver to fasten the grounding screw into the  
grounding screw hole.  
10  
   
Figure 5 Connect the grounding cable to the grounding hole of the RPS  
unit  
(1)  
(2)  
(3)  
(4)  
(5)  
(1) Rear panel of the RPS unit  
(3) OT terminal  
(2) Grounding screw  
(4) Grounding cable  
(5) Grounding hole  
Follow these steps to attach the other end of the grounding cable to the  
grounding strip:  
Step1 Peel 5 mm (0.20 in) of insulation sheath by using a wire stripper,  
and insert the bare metal part through the black insulation  
covering into the end of the OT terminal.  
Step2 Secure the metal part of the cable to the OT terminal with a  
crimper, cover the joint with the insulation covering.  
Step3 Connect the OT terminal to the grounding pole of the  
grounding strip, and fasten it with a hex nut.  
11  
Figure 6 Connect the grounding cable to the grounding strip  
(1) Grounding pole  
(3) Grounding cable  
(2) Grounding strip  
(4) Hex nut  
Connecting the RPS unit to the powered device  
The A-RPS800 can be used as a redundant backup power supply unit  
for multiple switch and router models. The following describes how to  
connect the RPS unit to a switch.  
Step1 Check that the power source to the RPS unit is disconnected.  
Step2 Remove the blank panel covering the redundancy power  
supply input of the switch.  
Step3 Plug one end of the RPS DC output cable into the redundant  
power supply socket on the rear panel of the switch and the  
other end into the DC output socket of the RPS unit.  
12  
   
Step4 Connect the AC power source to the RPS unit.  
Step5 Check that the PWR LED on the front panel of the RPS unit lights  
up.  
Figure 7 Connect the RPS unit to a switch  
(1) RPS AC input  
(3) RPS DC output  
(2) RPS rear panel  
(4) DC power cable (optional)  
(5) Switch redundant power supply input  
(6) Switch rear panel  
(7) Switch AC input  
NOTE:  
The OUT LED lights up only when the A-RPS800 switches to the RPS  
output state. When the A-RPS800 works in the monitoring mode, its  
OUT LED stays off.  
13  

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