MGE UPS Systems 2200 RT 2U User manual

34003641FR/AA - Page 1
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www.mgeups.com
Installation and user
manual
Pulsar M
2200 RT 2U
2200 RT 3U
3000 RT 2U
3000 RT 3U
3000 RT 3U XL
EXB RT 3U

34007776EN/AB - Page 2

34007776EN/AB - Page 3
Introduction
Environmental protection
MGE UPS SYSTEMS has implemented an environmental-protection policy.
Products are developed according to an eco-design approach.
Substances
This product does not contain CFCs, HCFCs or asbestos.
Packing
To improve waste treatment and facilitate recycling, separate the various packing components.
◗The cardboard we use comprises over 50% of recycled cardboard.
◗Sacks and bags are made of polyethylene.
◗Packing materials are recyclable and bear the appropriate identification symbol .
Follow all local regulations for the disposal of packing materials.
End of life
MGE UPS SYSTEMS will process products at the end of their service life in compliance with local regulations.
MGE UPS SYSTEMS works with companies in charge of collecting and eliminating our products at the end of their service life.
Product
The product is made up of recyclable materials.
Dismantling and destruction must take place in compliance with all local regulations concerning waste.
At the end of its service life, the product must be transported to a processing centre for electrical and electronic waste.
Battery
The product contains lead-acid batteries that must be processed according to applicable local regulations concerning
batteries.
The battery may be removed to comply with regulations and in view of correct disposal.
The "Material Safety Data Sheets"(MSDS) for the batteries are available on our web site*.
(*) For more information or to contact the Product Environmental manager, use the "Environmental Form"on the site:
www.mgeups.com -> About us -> Environment.
Thank you for selecting an MGE UPS SYSTEMS product to protect your electrical equipment.
The Pulsar M range has been designed with the utmost care.
We recommend that you take the time to read this manual to take full advantage of the many features of your UPS
(Uninterruptible Power System).
Before installing Pulsar M, please read the booklet on the required safety instructions. Then follow the indications in this
manual.
To discover the entire range of MGE UPS SYSTEMS products and the options available for the Pulsar M range, we invite
you to visit our web site at www.mgeups.com or contact your MGE UPS SYSTEMS representative.
Material Abbreviation Symbol
number
Polyethylene terephthalate PET 01
High-density polyethylene HDPE 02
Polyvinyl chloride PVC 03
Low-density polyethylene LDPE 04
Polypropylene PP 05
Polystyrene PS 06

34007776EN/AB - Page 4
Introduction
Pictograms
Important instructions that must always be followed.
Information, advice, help.
Visual indication.
Action.
Audio signal.
In the illustrations on the following pages, the symbols below are used:
LED off
LED on
LED flashing

34007776EN/AB - Page 5
Contents
1. Presentation
1.1 Standard positions ...................................................................................................................... 6
Tower position................................................................................................................................ 6
Rack position ................................................................................................................................. 6
1.2 Rear panels................................................................................................................................... 7
Pulsar M 2200 / 3000..................................................................................................................... 7
Pulsar M EXB (optional battery module)........................................................................................ 7
1.3 Control panel................................................................................................................................7
2. Installation
2.1 Unpacking and contents check .................................................................................................. 8
2.2 Installation in tower position ...................................................................................................... 9
2.3 Installation in rack position ........................................................................................................ 9
2.4 Communication ports................................................................................................................ 10
Connection of RS232 or USB communication port (optional)...................................................... 10
Installation of the communication cards (optional)....................................................................... 10
2.5 Connection with a FlexPDU (Power Distribution Unit) module .................................................11
2.6 Connection with a HotSwap MBP module................................................................................11
HotSwap MBP-module operation................................................................................................. 12
2.7 UPS connection without a FlexPDU or HotSwap MBP module ............................................. 12
3. Operation
3.1 Start-up and normal operation ................................................................................................. 13
3.2 Operation on battery power...................................................................................................... 13
3.3 Return of AC power ................................................................................................................... 14
3.4 UPS shutdown............................................................................................................................ 14
3.5 Using the UPS remote control functions................................................................................. 14
4. Access to measurements and personalisation data
4.1 Display menus arrangement..................................................................................................... 16
4.2 Access to measurements.......................................................................................................... 16
4.3 Personalisation using the control panel.................................................................................. 16
4.4 Personalisation using external software ................................................................................. 17
5. Maintenance
5.1 Troubleshooting......................................................................................................................... 18
Troubleshooting a UPS equipped with the HotSwap MBP module ............................................. 19
5.2 Battery-module replacement .................................................................................................... 19
Safety recommendations ............................................................................................................. 19
Battery-module removal............................................................................................................... 19
Mounting the new battery module................................................................................................ 20
5.3 Maintenance on a UPS equipped with the HotSwap MBP module........................................ 20
5.4 Training centre ........................................................................................................................... 21
6. Appendices
6.1 Technical specifications............................................................................................................ 22
6.2 Glossary ..................................................................................................................................... 23

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1. Presentation
1.1 Standard positions
Tower position
Rack position
Dimensions (H x W x D) in mm
Pulsar M 2200 RT 2U 440 x 86 x 640
Pulsar M 2200 RT 3U 440 x 131 x 490
Pulsar M 3000 RT 2U 440 x 86 x 640
Pulsar M 3000 RT 3U 440 x 131 x 490
Pulsar M 3000 RT 3U XL 440 x 131 x 490
Pulsar M EXB RT 3U 440 x 131 x 490
Weights in kg
Pulsar M 2200 RT 2U 31
Pulsar M 2200 RT 3U 30
Pulsar M 3000 RT 2U 31
Pulsar M 3000 RT 3U 30
Pulsar M 3000 RT 3U XL 17
Pulsar M EXB RT 3U 42

34007776EN/AB - Page 7
1. Presentation
1.2 Rear panels
Pulsar M 2200 / 3000
Pulsar M EXB (optional battery module)
1.3 Control panel
(1) USB communication port
(2) RS232 communication port
(3) Connector for automatic recognition of an
additional battery module
(4) Slot for optional communication card
(5) Connector for remote ON/OFF and RPO
(Remote Power Off) control
(6) Connector for additional battery module
(7) 16 A outlet for connection of equipment
(8) Two groups of 2 programmable outlets for
connection of equipment
(9) Groups of 4 outlets for connection of
equipment
(10) Socket for connection to AC-power
source
(11) LED (SWF) indicating distribution
system phase/neutral reversal
(12) Connectors for battery modules (to the
UPS or to the other battery modules)
(13) Connectors for automatic recognition of
battery modules
(20) Load protected LED
(21) Downgraded operation LED
(22) Load not protected LED
(23) Alphanumeric display
(24) Escape (cancel) button
(25) Scroll button
(26) Enter (confirm) button
(27) ON/OFF button for UPS and outlets
21
3 7
8
9 104 5
6
11
1312 12
20
21
22
23
24 25 26
27
ESC

34007776EN/AB - Page 8
2. Installation
2.1 Unpacking and contents check
(30) Pulsar M 2200 or 3000 UPS
(31) connection cable to AC-power source
(32) 2 connection cables for the protected equipment
(33) RS232 communications cable
(34) USB communications cable
(35) 2 systems to secure power plugs
(36) Solution-Pac CD-ROM
(37) Documentation
Elements supplied depending on the version or optional
(38) Mounting kit for 19-inch bays
(39) 2 supports for the upright position (2U version only)
(40) FlexPDU module (optional)
(41) connection cable between FlexPDU module and UPS
(42) NMC communication card (optional)
(43) HotSwap MBP module (optional)
(44) connection cables between HotSwap MBP module and
UPS
Packing materials must be disposed of in compliance with all local regulations concerning waste.
Recycling symbols are printed on the packing materials to facilitate sorting.
31
32
34
38
35
36 37
30
33
39
40
43
42
41
44
On = Link
Blink = Act 66102
UPS data RS232
Settings/Sensor
100M 10M
E HERNE

34007776EN/AB - Page 9
2. Installation
2.2 Installation in tower position
2.3 Installation in rack position
It is advised to first install the battery module, then the power module above.
Follow steps 1 to 4 for module mounting on the rails.
The rails and necessary hardware are supplied by MGE UPS SYSTEMS.
12
3
12
3
3
2
4
24
1
1
1
1

34007776EN/AB - Page 10
2. Installation
2.4 Communication ports
Connection of RS232 or USB communication port (optional)
Installation of the communication cards (optional)
The RS232 and USB communication ports cannot operate simultaneously.
1 - Connect the RS232 (33) or USB (34)
communication cable to the serial or USB
port on the computer equipment.
2 - Connect the other end of the
communication cable (33) or (34) to the USB
(1) or RS232 (2) communication port on the
UPS.
The UPS can now communicate with MGE
UPS SYSTEMS power management
software.
Communication card slot
(restricted access)
It is not necessary to shutdown the UPS
before installing a communications card.
1 - Remove the UPS cover (4) secured by
screws.
2 - Insert the communications card in the slot.
3 - Put the UPS cover back in place using the
screws.
34
2
1
33
4

34007776EN/AB - Page 11
2. Installation
2.5 Connections with a FlexPDU (Power Distribution Unit) module (optional)
2.6 Connections with a HotSwap MBP module (optional)
The HotSwap MBP module makes it possible to service or even replace the UPS without affecting the connected loads
(HotSwap function).
1 - Connect the UPS socket (10) to the AC-
power source using the cable (31) supplied.
2 - Connect the input socket on the FlexPDU
module (48) to the UPS outlet (7) using the
cable (41) supplied. The cable and the
connectors are marked in red.
3 - Connect the equipment to the outlets (45),
(46) and (47) on the FlexPDU module. These
outlets differ, depending on the version of the
FlexPDU module.
4 - Fit the connection securing system that
prevents the plugs from being pulled out
accidentally.
1 - Connect the input socket (56) on the
HotSwap MBP module to the AC-power
source using the cable (31) supplied.
2 - Connect the UPS input socket (10) to the
"UPS Input" (55) on the HotSwap MBP
module, using the cable (44) supplied. These
cables and the connectors are marked blue.
3 - Connect the UPS outlet (7) to the "UPS
Output" (54) on the HotSwap MBP module,
using the cable (44) supplied. These cables
and the connectors are marked red.
4 - Connect the equipment to the outlets (49)
and (50) on the HotSwap MBP module.
These outlets differ, depending on the
version of the HotSwap MBP module.
Caution. Do not use UPS outlets (8) and (9)
to supply equipment because use of
switch (53) on the HotSwap MBP module
would cut supply to the equipment. It is
advised not to remove the protective film
from outlets (8) and (9).
7
8
9 10
48474645
FlexPDU
41 31
7
8
9 10
By-pass
Normal
UPS ON - OK o swi ch
BY PASS SWITCH
56
5549
Ho Swap MBP
50 545351 52
44
31

34007776EN/AB - Page 12
2. Installation
HotSwap MBP-module operation
UPS start-up with the HotSwap MBP module
1 - Check that the UPS is correctly connected to the HotSwap MBP module.
2 - Set switch (53) to the Normal position.
3 - Start the UPS by pressing the ON/OFF button (27) on the UPS control panel.
The load is supplied by the UPS.
LED (51) "UPS ON - OK to switch" on the HotSwap MBP module goes ON.
HotSwap MBP-module test
1 - Set switch (53) to the Bypass position and check that the load is still supplied.
2 - Set switch (53) back to the Normal position.
2.7 UPS connection without a FlexPDU or HotSwap MBP module
The HotSwap MBP module has a rotary
switch (53) with two positions:
Normal - the load is supplied by the UPS,
Bypass - the load is supplied directly by the
AC-power source.
Check that the indications on the name plate located on the back of the UPS correspond to the AC-power source and
the true electrical consumption of the total load.
1 - Connect the supplied cable (31) (250 V -
16 A) to the socket (10), then to the AC-power
source.
2 - Connect the loads to the UPS using the
cables (32).
It is preferable to connect the priority loads to
the four outlets marked (9) and the non-
priority loads to the four outlets marked (8)
that can be programmed in pairs (1 and 2).
Connect any high-power devices to the 16 A
outlet (7).
To program shutdown of outlets (8) during
operation on battery power and thus optimise
the available backup time, the MGE UPS
SYSTEMS communications software is
required.
3 - Fit the connection securing system (35)
that prevents the plugs from being pulled out
accidentally.
Note. The UPS charges the battery as soon as it is connected to the AC-power source, even if button (27) is not pressed.
Once the UPS is connected to the AC-power source, eight hours of charging are required before the battery can
supply the rated backup time.
By-pass
Normal
UPS ON - OK o swi ch
BY PASS SWITCH
51 52 53
10
8
9
31
32
35
7

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3. Operation
3.1 Start-up and normal operation
UPS personalisation
3.2 Operation on battery power
Transfer to battery power
Low-battery warning
For the initial start, AC power must be present to detect any wiring errors. Subsequently, the UPS can start even if AC power
is not present.
Press button (27) for approximately 1 second.
◗The buzzer beeps once and all the LEDs go ON simultaneously.
◗The buzzer then beeps twice during the self-test, then button (27)
remains ON, indicating that the load outputs are supplied.
The connected devices are protected by the UPS.
◗LED (20) is ON.
If LED (22) is ON, a fault has occurred (see the "Troubleshooting"
section).
◗During normal operation, the scroll button (25) may be used to read UPS
measurements (voltage on normal and bypass AC inputs, operating
mode, battery capacity and UPS serial number).
If UPS personalisation is desired, it is advised to enter the personalisation mode at this time.
This mode may be entered using the buttons on the control panel or the Personal Solution-Pac software (Windows) included
on the Solution-Pac CD-ROM provided by MGE UPS SYSTEMS.
◗The connected devices continue to be supplied by the UPS when AC
power is no longer available. The necessary energy is provided by the
battery.
◗LEDs (20) and (21) go ON.
◗The audio alarm beeps every ten seconds.
The connected devices are supplied by the battery.
The display indicates the remaining backup time.
◗LEDs (20) and (21) go ON.
◗The audio alarm beeps every three seconds.
The remaining battery power is low.
Shut down all applications on the connected equipment because
automatic UPS shutdown is imminent.
20
27
22
21
25
ESC
20
21
ESC
20
21
ESC

34007776EN/AB - Page 14
3. Operation
End of battery backup time
3.3 Return of AC power
Following an outage, the UPS restarts automatically when AC power returns (unless the restart function was disabled via UPS
personalisation) and the load is again supplied.
3.4 UPS shutdown
3.5 Using the UPS remote control functions
Pulsar has the choice of two remote control options.
◗RPO: Remote Power Off allows a remote contact to be used to disconnect all the equipment connected to the UPS from
the power supply.
Restarting the UPS requires manual intervention.
◗ROO: Remote ON/OFF allows remote action of button (27).
These functions are obtained by opening a contact connected between the appropriate pins of connector (5) on the rear panel
of the UPS (see diagram on following page).
Remote control connection and test
◗All the LEDs go OFF.
◗The audio alarms stops.
The UPS is completely shut down.
Press button (27) for approximately 2 seconds.
The devices connected to the UPS are no longer supplied.
1 - Check the UPS is shut down and the electrical supply network disconnected.
2 - Remove connector (5) after unscrewing the screws.
3 - Connect a normally closed volt-free contact (60 Vdc / 30 Vac max, 20 mA max, 0.75 mm² cable cross section) between
the two pins of connector (5), see diagram.
20
21
27
22
ESC
5

34007776EN/AB - Page 15
3. Operation
Contact open: shut down of UPS
Contact closed: start-up of UPS (UPS connected to the network and network energized)
Note: local On/Off control via button (27) has priority over the remote control order.
Contact open: shut down of UPS
To return to normal operation, deactivate the external remote shut down contact and restart the
UPS using button (27).
4 - Plug connector (5) into the back of the UPS.
5 - Connect and restart the UPS according to the previously described procedures.
6 - Activate the external remote shut down contact to test the function.
Warning: this connector must only be connected to SELV (Safety Extra Low Voltage) circuits
5ROO
5RPO

34007776EN/AB - Page 16
4. Access to measurements and personalisation data
4.1 Display menus arrangement
4.2 Access to measurements
Press the scroll button (25) to access any status conditions and alarms, then the measurements for voltage, current,
frequency, power output and battery backup time.
4.3 Personalisation using the control panel
Local personalisation
◗Press the scroll button (25) several times until the personalisation menu
is reached.
◗Press the Enter button (26) to access the different possibilities.
◗Finally, confirm the selection by pressing the Enter button (26) again.
Function Factory setting Other available settings
Language English French, Spanish, German, Italian, Dutch
Audio alarm Enabled Disabled
S a us and Alarms
Status and Alarms
Measuremen s
UPS input measurements
UPS output measurements
Battery measurements
Personalisa ion
Local personalisation
Output personalisation
ON/OFF personalisation
Battery personnalisation
25
26
ESC

34007776EN/AB - Page 17
4. Access to measurements and personalisation data
Output personalisation
(1) These parameters may be modified only when the UPS is OFF.
Detailed comments are available in the Personal Solution-Pac software.
ON/OFF personalisation
Battery personalisation
4.4 Personalisation using external software
Function Factory setting Other available settings Comments
Output voltage (1) 230 Volts AC 200/208/220/240 Volts AC
Frequency converter (1) Disabled Enabled The connected devices are never
transferred to the bypass.
Output frequency (1) Automatic selection 50 or 60 Hz User selectable only if the
frequency-converter function is
enabled.
Transfer to the bypass AC
input (1)
Bypass AC power must
be within tolerances
Bypass AC power may be
outside tolerances
Overload level (1) 102% 50 / 70% Alarm if threshold is overrun.
Function Factory setting Other available settings Comments
Start on battery power Enabled Disabled
Automatic restart Enabled Disabled The UPS restarts automatically when
AC power returns.
Energy savings Disabled Enabled When function enabled, battery shuts
down when power drops to <5%.
Detection of phase/
neutral inversion (SWF)
Disabled Enabled When function enabled, the UPS
remains OFF if the system detects
phase/neutral inversion.
Function Factory setting Other available settings Comments
Battery test Weekly test No test / daily test /
monthly test
Low-battery warning 20% 0 to 100% Adjustable in 1% steps.
Selection of the backup
time
Automatic detection of
number of battery
modules
65 to 400 Ah
Battery protection against
excessive discharges
Enabled Disabled When function disabled, MGE UPS
SYSTEMS warranty no longer
applies.
◗Insert the Solution-Pac CD-ROM in the drive.
◗On the first navigation screen, select "Point to Point solution" and follow the instructions on how to install the Personal
Solution-Pac software.
◗Then select "Settings", "Advanced settings" and "UPS settings".
Note that the Linux/Unix/MacOS versions of the Personal Solution-Pac software do not offer this possibility.

34007776EN/AB - Page 18
5. Maintenance
5.1 Troubleshooting
If LED (21) or (22) is ON, a fault or an alarm has occurred.
Use the escape button (24) to stop the audio alarm.
Indication Diagnostic Correction
1The UPS does not start,
the alphanumeric display indicates:
COLD START NOK
CHECK AC WIRING
The AC input power is not
connected or is connected to the
UPS output.
Check the UPS is correctly
connected to the AC input power.
2LED (22) is ON, the SWF LED (11) at
the rear of the UPS is ON.
The alphanumeric display indicates:
SITE WIR. FAULT
CHECK AC WIRING
Phase inversion on AC input power.
The UPS does not start.
◗In an earthed-neutral system, to
correct the wiring, disconnect and
turn the AC-power outlet 180° (DIN-
SCHUKO type) or call an electrician
to modify the connections.
◗For all other types of system,
disable the detection function.
3LED (22) is ON,
the alphanumeric display indicates:
NO BATTERY
CHECK CONNECTION
The battery is incorrectly
connected.
Check battery connections (see
section 5.2, Battery-module
replacement).
4LED (22) is ON,
the alphanumeric display indicates:
BATTERY FAULT
SERV REQUIRED
A fault is detected on the battery. Replace the battery (see section 5.2,
Battery-module replacement).
Call the after-sales support
department.
5LED (21) is ON,
the alphanumeric display indicates:
OVERLOAD ALARM
REDUCE LOAD
The load level exceeds the
programmed overload level or UPS
capacity.
Check the power drawn by the
connected devices and disconnect
any non-priority devices. Check the
programmed overload level.
6LED (22) is ON,
the alphanumeric display indicates:
LOAD UNPROTECTED
OUTPUT OVERLOAD
The UPS is overloaded. Devices
connected to the UPS are fed
directly by the electrical network via
the By-pass.
Check the power drawn by the
connected devices and disconnect
any non-priority devices.
7LED (22) is ON,
the alphanumeric display indicates:
REDUCE LOAD
RESTART UPS
After repetitive overloads, the UPS
is locked in the By-pass position.
Devices connected to the UPS are
fed directly by the electrical
network.
Check the power drawn by the
connected devices and disconnect
any non-priority devices.
Shut down and restart the UPS to
return to normal operation.
8LED (22) is ON,
the alphanumeric display indicates:
OVERLOAD FAULT
REDUCE LOAD
The UPS shut down automatically
because of overload at the UPS
output.
Check the power drawn by the
connected devices and disconnect
any non-priority devices.
9LED (22) is ON,
the alphanumeric display indicates:
LOAD SHORT-CIRCU
CHECK WIRING
The UPS shut down automatically
because of a short-circuit at the
UPS output.
Check the installation at the UPS
output (wiring, fault equipment).
10 LED (22) is ON,
the alphanumeric display indicates:
INTERNAL FAULT
SERV REQUIRED
A UPS internal fault has occurred.
There are two possible situations:
◗the load is still supplied, but
directly with AC power via the
bypass,
◗the load is no longer supplied.
Call the after-sales support
department.
11 The alphanumeric display indicates:
REMOTE POWER OFF
RPO
Switching of the Remote Power Off
(RPO) has led to the shut down of
the UPS.
Replace the contact in the normal
position, and press the ON/OFF
button to restart.

34007776EN/AB - Page 19
5. Maintenance
Troubleshooting a UPS equipped with the HotSwap MBP module
5.2 Battery-module replacement
Safety recommendations
The battery can cause electrocution and high short-circuit currents. The following safety cautions are required
before servicing the battery components:
◗Remove watches, rings, bracelets and all other metal objects from the hands and arms,
◗Use tools with an insulated handle.
Battery-module removal
Indication Diagnostic Correction
10 The load is no longer supplied when
the rotary switch (49) on the HotSwap
MBP module is set to the Bypass
position.
◗The protected devices are
connected to the UPS output
instead of to the HotSwap MBP
module.
◗The AC-power cord is connected
to the UPS input instead of to the
HotSwap MBP module.
Check the wiring between the UPS
and the HotSwap MBP module (see
section 2.6).
11 The load is no longer supplied when
the rotary switch (49) on the HotSwap
MBP module is set to the Normal
position.
◗The UPS is shut down.
◗The wiring between the UPS and
the HotSwap MBP module is not
correct.
◗Start the UPS.
◗Check the wiring between the UPS
and the HotSwap MBP module (see
section 2.6).
12 The load is no longer supplied if AC-
power fails.
◗The rotary switch (49) on the
HotSwap MBP module is set to the
Bypass position.
◗The wiring between the UPS and
the HotSwap MBP module is not
correct.
◗Set the rotary switch (49) on the
HotSwap MBP module to the
Normal position.
◗Check the wiring between the UPS
and the HotSwap MBP module (see
section 2.6).
If a fault leads to UPS shutdown, press the ON/OFF button (27) to clear the fault.
A - Unscrew the left-hand side of the front
panel (two screws).
B - Remove the part.
C- Disconnect the battery block by
separating the two connectors (never pull on
the wires).
B
A
C

34007776EN/AB - Page 20
5. Maintenance
Mounting the new battery module
Carry out the above instructions in reverse order.
5.3 Maintenance on a UPS equipped with the HotSwap MBP module
D- Remove the metal protection cover in
front of the battery (two screws).
E- Pull the plastic tab to remove the battery
block and replace it.
◗To ensure safety and high performance, use only batteries supplied by MGE UPS SYSTEMS.
◗Take care to firmly press together the two parts of the connector during remounting.
The HotSwap MBP module makes possible
to service or even replace the UPS without
affecting the connected loads (HotSwap
function).
Maintenance:
1 - Set switch (53) to the Bypass position. The
red LED on the HotSwap MBP module goes
ON, indicating that the load is supplied
directly with AC power.
2 - Stop the UPS by pressing the ON/OFF
button (27) on the UPS control panel. LED
(51) "UPS ON - OK to switch" goes OFF, the
UPS can now be disconnected and replaced.
Return to normal operation:
1 - Check that the UPS is correctly connected
to the HotSwap MBP module.
2 - Start the UPS by pressing the ON/OFF
button (27) on the UPS control panel. LED
(51) "UPS ON - OK to switch" on the
HotSwap MBP module goes ON (otherwise,
there is a connection error between the
HotSwap MBP module and the UPS).
3 - Set switch (53) to the Normal position. The
red LED on the HotSwap MBP module goes
OFF.
D
E
7
8
9 10
By-pass
Normal
UPS ON - OK o swi ch
BY PASS SWITCH
56
5549
Ho Swap MBP
50 545351 52
44
31