Black Box LIE402A User manual

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802.3BT 60 W
POE GIGABIT
INDUSTRIAL
UNMANAGED
SWITCH
LIE402A
USER MANUAL

2
TABLE OF CONTENTS
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CONTENTS
1. SPECIFICATIONS........................................................................................................................................................................... 3
1.1 IEEE SPECIFICATIONS ................................................................................................................................................................ 3
1.2 LIE402A SPECIFICATIONS ......................................................................................................................................................... 3
1.3 COMPATIBLE SFPS ..................................................................................................................................................................... 5
2. OVERVIEW...................................................................................................................................................................................... 6
2.1 INTRODUCTION........................................................................................................................................................................... 6
2.2 FRONT PANEL ............................................................................................................................................................................. 6
2.2.1 RJ-45 PoE and SFP Uplink Ports ........................................................................................................................................................6
2.2.2 Reset Button..........................................................................................................................................................................................7
2.3 INSTALLATION PROCEDURE OVERVIEW ................................................................................................................................. 7
3. INSTALL ATION .............................................................................................................................................................................. 8
Step 1: Configure DIP switches.....................................................................................................................................................................8
Step 2: Installing the Module.......................................................................................................................................................................12
Step 3: Apply DC Power ...............................................................................................................................................................................12
Step 4: Connect Cables................................................................................................................................................................................14
Step 5: Verify Operation ...............................................................................................................................................................................14
A.1 FCC STATEMENT ...................................................................................................................................................................... 17
A.2 NOM STATEMENT.................................................................................................................................................................... 18
B.1 DISCLAIMER.............................................................................................................................................................................. 19
B.2 TRADEMARKS USED IN THIS MANUAL.................................................................................................................................. 19

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CHAPTER 1: SPECIFICATIONS
1. SPECIFICATIONS
1.1 IEEE SPECIFICATIONS
IEEE Specications
Description 802.3af PoE 802.3at PoE+ 802.3.bt Type 3
Power available at PD 12.95 watts 25.5 watts 51 watts
Max. power delivered by PSE 15.4 watts 30.0 watts 60 watts
Voltage range at PSE 44.0 to 57.0 VDC 50.0 to 57.0 VDC 50.0 to 57.0 VDC
Voltage range at PD 37.0 to 57.0 VDC 42.5 to 57.0 VDC 42.5 to 57.0 VDC
1.2 LIE402A SPECIFICATIONS
Description
LIE402A
6-port Gigabit Industrial 802.3bt 60W POE Ethernet switch
Standard Compliances
IEEE 802.3,
IEEE 802.3af (15.40 watts max)
IEEE 802.3at (30 watts max)
IEEE 802.3bt (60 watts max)
Environmental REACH, RoHS, and WEEE
PoE Modes IEEE Alternate A (Alt A)
4-Pair
Frame Size Up to 10,240 bytes
DC Power Requirements
+46 to +57 VDC; inclusive of tolerance
4.46A @ 56 VDC
2 Pin Terminal (non-isolated)
Dimensions 5.5" H x 1.5" W x 5.5" D (13.9 x 3.8 x 13.9 cm)
Weight 1.70 lb. (0.77 kg)
Operating Temperature Industrial: -40 to +167° F (-40 to +75° C)
Storage: -40 to +176° F (-40 to +80° C)
Humidity 5 to 95% (non-condensing)
Altitude -328 to +13,123 ft. (-100 to +4,000 m) (operational)
MTBF (hours) 273,000

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CHAPTER 1: SPECIFICATIONS
Description
LIE402A
6 port Gigabit Industrial 802.3bt 60W POE Ethernet switch
Regulatory Compliances
Safety: UL-60950-1,
UL-62368-1,
IEC 60950-1:2005+A1 :2009,
IEC 62368:2014/A11:2017,
EN 60950-1: 2006+A11:2009+A1:2010+A12:2011+A2:2013,
CAN/CSA C22.2 No. 60950-1,
CAN/CSA C22.2 No. 62368-1-14,
CE Mark
EMC: EN 55032/EN 55024 CE Emissions/Immunity,
IEC 61000-6-4 Industrial Emissions,
IEC 61000-6-2 Industrial Immunity
EMI: CISPR 32,
FCC 47 Part 15 Subpart B Class A
EMS: IEC 61000-4-2 ESD: Contact: 4 kV; Air: 8 kV,
IEC 61000-4-3 RS: 80 MHz to 1 GHz: 10V/m,
IEC 61000-4-4 EFT: Power: 2 kV; Signal: 1 kV,
IEC 61000-4-5 Surge: Power: 2 kV; Signal: 1 kV,
IEC 61000-4-6 CS: Signal: 10 V,
IEC 61000-4-8 (Magnetic Field),
IEC 61000-4-11 (General Immunity in Industrial Environments)
IP Rating: IP40 Protection

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CHAPTER 1: SPECIFICATIONS
1.3 COMPATIBLE SFPS
COMPATIBLE TWISTED-PAIR AND FIBER SFPS
PART NUMBER DESCRIPTION DISTANCE
100-MBPS CONNECTIONS
LFP401 LFP400 Series Fast (155-Mbps) Extreme Temperature SFP with Extended Diagnostics - (1) 155-Mbps
Multimode Fiber, 850nm, 2km, LC
2 km
LFP402 LFP400 Series Fast (155-Mbps) Extreme Temperature SFP with Extended Diagnostics - (1) 155-Mbps
Multimode Fiber, 1310nm, 2km, LC
2 km
LFP403 LFP400 Series Fast (155-Mbps) Extreme Temperature SFP with Extended Diagnostics - (1) 155-Mbps
Singlemode Fiber, 1310nm, 30km, LC
30 km
1000-MBPS CONNECTIONS
LFP411 LFP410 Series Gigabit (1.25-Gbps) Extreme Temperature SFP with Extended Diagnostics - (1) 1.25-Gbps
Multimode Fiber, 850nm, 550m, LC
550 m
LPF412 LFP410 Series Gigabit (1.25-Gbps) Extreme Temperature SFP with Extended Diagnostics - (1) 1.25-Gbps
Multimode Fiber, 1310nm, 2km, LC
2 km
LFP413 LFP410 Series Gigabit (1.25-Gbps) Extreme Temperature SFP with Extended Diagnostics - (1) 1.25-Gbps
Singlemode Fiber, 1310nm, 10km, LC
10 km
LFP414 LFP410 Series Gigabit (1.25-Gbps) Extreme Temperature SFP with Extended Diagnostics - (1) 1.25-Gbps
Singlemode Fiber, 1310nm, 40km, LC
40 km
LFP415 LFP410 Series Gigabit (1.25-Gbps) Extreme Temperature SFP with Extended Diagnostics - (1) 1.25-Gbps Copper
RJ-45, SerDes, 100m
100 m
LFP416 LFP410 Series Gigabit (1.25-Gbps) Extreme Temperature SFP with Extended Diagnostics - (1) 1.25-Gbps Copper
RJ-45, SGMII, 100m
100 m
LFP420 LFP410 Series Gigabit (1.25-Gbps) Extreme Temperature SFP with Extended Diagnostics - (1) 1.25-Gbps
Singlemode Simplex Fiber, 1550/1310nm, 10km, LC
10 km
LFP421 LFP410 Series Gigabit (1.25-Gbps) Extreme Temperature SFP with Extended Diagnostics - (1) 1.25-Gbps
Singlemode Simplex Fiber, 1310/1550nm, 10km, LC
10 km
LFP441 LFP440 Series Gigabit (1.25-Gbps) SFP - (1) 1.25-Gbps Multimode Fiber, 850nm, 550m, LC 550 m
LFP442 LFP440 Series Gigabit (1.25-Gbps) SFP - (1) 1.25-Gbps Singlemode Fiber, 1310nm, 20km, LC 20 km
LFP443 LFP440 Series Gigabit (1.25-Gbps) SFP - (1) 10/100/1000-Mbps Copper RJ-45, 100m, SGMII, 100m 100 m

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CHAPTER 2: OVERVIEW
2. OVERVIEW
2.1 INTRODUCTION
This user manual describes the functions of the 6-port Gigabit Industrial 802.3bt 60 W PoE Ethernet switch.
The LIE402A is an industrial unmanaged Ethernet switch that features two SFP uplink ports and four 10/100/1000 RJ-45
Power-over-Ethernet (PoE) ports.
6-PORT GIGABIT INDUSTRIAL 802.3BT 60 W POE ETHERNET SWITCH
The LIE402A supports IEEE 802.3af PoE, IEEE 802.3at PoE+, and IEEE 802.3bt 60 W on each RJ-45 port.
The module functions can be congured using easily accessible DIP switches.
The module is a Power Sourcing Equipment (PSE) that provides up to 60 W per RJ-45 port and supports frame sizes
up to 10,240 bytes.
2.2 FRONT PANEL
The front of the module provides access to the RJ-45 PoE and SFP uplink ports.
2.2.1 RJ-45 POE AND SFP UPLINK PORTS
The RJ-45 PoE Ethernet ports support 10BASE-T, 100BASE-TX and 1000BASE-T protocols, auto-negotiation and auto MDI/MDI-X
crossover.
The module features two gigabit SFP transceiver uplink ports. The SFP ports support 1000BASE-X ber transceivers (multimode,
singlemode and singlemode single-ber) and SGMII 10/100/1000BASE-T copper transceivers. The SFP interfaces operate
in auto-negotiation and support full duplex operation.
FRONT PANEL LAYOUT

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CHAPTER 2: OVERVIEW
2.2.2 RESET BUTTON
A Reset Button is available on the front of the module to clear all buffers and memory on the module. Press and hold the reset button
for more than 5 seconds to clear the buffers and memory.
2.3 INSTALLATION PROCEDURE OVERVIEW
1. Congure DIP switches
2. Install the Module
3. Apply DC Power
4. Connect Cables
5. Verify Operation

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CHAPTER 3: INSTALLATION
3. INSTALLATION
Follow these steps:
STEP 1: CONFIGURE DIP SWITCHES
DIP switches are located on the top of the module. The DIP switches are used to congure modes of operation, networking features,
and PoE reset.
DIP SWITCH LOCATION (TOP VIEW)
The table below provides a description of each DIP switch function.
Switch Description
SW1 Mode of Operation
SW2
SW3 Uplink Redundancy
SW4
SW5 MAC Learning
SW6 Forced PoE Power
SW7 L2CP Control
SW8 PoE Reset

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CHAPTER 3: INSTALLATION
DIP Switch Denitions
SW1 and SW2 - Mode of Operation
The module supports Switch, Directed Switch, and Dual Device modes.
The modes are described with MAC learning enabled. When MAC learning is disabled, unicast packets are forwarded to all ports.
SW1 SW2 Function
LEFT LEFT Switch Mode (default)
LEFT RIGHT Directed Switch Mode
RIGHT LEFT Dual Device Mode - Switch Mode
RIGHT RIGHT Dual Device Mode - Directed Switch Mode
Modes of Operation
Switch Mode
When congured for Switch Mode (default), the module operates as a standard layer 2 switch. Data ow will follow MAC address
mapping.
Directed Switch Mode
When congured for Directed Switch Mode, trafc from ports P1 - P4 and F2 is only forwarded to the uplink port F1, preventing the
broadcast trafc from ooding other network ports. Incoming trafc from F1 follows MAC address mapping.
DIRECTED SWITCH MODE
When congured for Directed Switch Mode with Uplink Redundancy (per DIP switches 3 and 4), trafc is forwarded to both the primary
(F1) and secondary (F2) ports. The secondary port will block all trafc while the primary port is active. When the primary port goes
down, the secondary port will be active and all trafc will be forwarded out the secondary port.
DIRECTED SWITCH MODE WITH UPLINK REDUNDANCY

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CHAPTER 3: INSTALLATION
Dual Device Mode
When congured for Dual Device Mode, the module is congured as two independent Layer 2 switches. Port F1 is associated with ports
P1 and P2 and port F2 is associated with ports P3 and P4. Data ow will follow MAC address mapping.
DUAL DEVICE MODE
Congured for Dual Device Mode with Directed Switch Mode, the trafc from ports P1 and P2 is only forwarded to uplink port F1 and
the trafc from ports P3 and P4 is only forwarded to uplink port F2. This prevents broadcast trafc from ooding other network ports.
Incoming trafc from F1 and F2 follows MAC address mapping.
DUAL DEVICE WITH DIRECTED SWITCH MODE
SW3 and SW4 - Uplink Redundancy
The modes are described with MAC learning enabled. When MAC learning is disabled, the module will send data to all ports.
SW3 SW4 Function
LEFT LEFT Switch Mode (default)
LEFT RIGHT Switch Mode (default)
RIGHT LEFT Redundant Mode - no return to primary (F1)
RIGHT RIGHT Redundant Mode - return to primary (F1)

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CHAPTER 3: INSTALLATION
Uplink Redundancy
When congured for Uplink Redundant Mode “no return to primary”, the uplink ports operate as redundant links. A fault on the primary
port F1, will cause a fail over to the secondary port F2 within 50 msec. Port F1 will become the secondary port once the failure
condition has been restored because “no return to primary” has been selected.
REDUNDANT UPLINK
When congured for Uplink Redundant Mode “return to primary’, a fault on the primary port F1 will cause a fail over to the secondary
port F2 within 50 msec. The module will return to the primary port F1 after the failure condition has been restored for 6 seconds.
SW5 - MAC Learning: MAC Learning/Off
When this DIP switch is in the LEFT “MAC Learning” position (default), all ports on the module will learn the source MAC address
of each received packet and store the address so packets destined for the stored addresses can be forwarded to the appropriate port
on the module. When the DIP switch is in the RIGHT “Off” position, MAC learning is turned off and all received unicast packets are
forwarded to all ports.
SW6 - Forced PoE: Off/PoE Force
This DIP switch allows the PoE power to be forced ON when connected to a PD with non-standard detection characteristics. The DIP
switch controls the forced capability for the RJ-45 ports on the module.
When this DIP switch is in the LEFT “Off” position (default), all RJ-45 ports will automatically perform the detection, classication,
and powering functions for the attached PDs. When this DIP switch is in the RIGHT “PoE Force” position, all RJ-45 ports will provide a
maximum of 60 watts of power to the attached PDs. The amount of power delivered depends on the attached PDs.
SW7 - L2CP Control: L2CP Tunnel/Discard
When this DIP switch is in the LEFT “L2CP Tunnel” position (default), all received L2CP frames will be tunneled through the module.
When this DIP switch is in the RIGHT “Discard” position, all received L2CP frames will be discarded.
SW8 - PSE Reset: Off/PoE Reset
The module can be congured to disable (reset) the PoE output power for 5 seconds after a loss of receive link on any uplink port.
This feature is typically used to allow a PD to re-initialize after a failure on the incoming uplink.
When this DIP switch is in the LEFT “Off” position (default), PoE output power does not reset on a loss of receive link on any uplink port.
When this DIP switch is in the RIGHT “PoE Reset” position, the module will disable PoE output power for 5 seconds following a loss of
receive link on any uplink port.
When Uplink Redundant Mode is enabled, the loss of link on either F1 or F2 will not cause the PD to be re-initialized even though the
PSE Reset is enabled. The PD will be re-initialized on a loss of receive link on both uplink ports.
When Dual Device Mode is enabled, the loss of receive link on an uplink port will re-initialize the PDs associated with that uplink port.
Ports P1 and P2 will drop PoE power when a loss of receive link on port F1 is detected and ports P3 and P4 will drop PoE power when a
loss of receive link on port F2 is detected.

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CHAPTER 3: INSTALLATION
STEP 2: INSTALLING THE MODULE
The module can be DIN rail mounted using the DIN rail mounting clip on the back of the module. The bottom tab of the DIN rail clip
is spring loaded and is used to install and remove the module from the DIN rail.
To install the module to the DIN rail, angle the module so the bottom edge of the spring loaded clip is inserted on the lower edge
of the DIN rail. While pushing the module up, angle the module ush to the DIN rail and insert in the upper edge of the DIN rail clip
around upper edge of the DIN rail.
To remove the module from the DIN rail, hold the module rmly while lifting the module up. Angle the top of the module away
from the DIN rail, disengaging the module from the upper edge of the DIN rail.
STEP 3: APPLY DC POWER
This module is intended for installation in restricted access areas. (“Les matériels sont destinés à être installés dans des
EMPLACEMENTS À ACCÈS RESTREINT”). A restricted access area can be accessed only through the use of a special key,
or other means of security.
The over current protection for connection with centralized DC shall be provided in the building installation, and shall be a UL listed
circuit breaker rated 20 Amps, and installed per the National Electrical Code, ANSI/NFPA-70.
The LIE402A requires +50 to +57 VDC inclusive of tolerances (4.46 A @ 56 VDC maximum rated power).
Be sure to provide appropriate overloading protection on the DC power source outlets used.
TOP VIEW WITH DC POWER CONNECTOR
WARNING: OnlyaDC power source that complies with
safety extra low voltage (SELV) requirements can be
connected to the DC-input power supply.
WARNING REGARDING EARTHING GROUND:
o
o
o
o
This equipment shall be connected to the DC supply
system earthing electrode conductor or to a bonding
jumper from an earthing terminal bar or bus to which the
DC supply system earthing electrode is connected.
This equipment shall be located in the same immediate
area (such as adjacent cabinets) as any other equipment
that has a connection between the earthed conductor of
the same DC supply circuit and the earthing conductor,
and also the point of earthing of the DC system. The DC
system shall not be earthed elsewhere.
The DC supply source is to be located within the same
premises as this equipment.
There shall be no switching or disconnecting devices in
the earthed circuit conductor between the DC source and
the earthing electrode conductor.
Locate the DC circuit breaker of the external power source, and switch the circuit breaker to the OFF position.
Prepare a power cable using a three-conductor insulated wire (not supplied) with 12 AWG to 14 AWG thickness. Cut the power cable
to the length required.

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CHAPTER 3: INSTALLATION
Strip approximately 3/8 of an inch of insulation from the power cable wires. The ground wire may need additional insulation removed
to secure it to the grounding screws.
Connect the ground wire to the grounding screws on the back of the module.
GROUND SCREW LOCATION
Connect the power wires to the module by fastening the stripped ends to the DC power connector.
POWER CONNECTIONS
POWER OPTIONS
WARNING: The positive lead of the power source must be connected to the “+” terminal on the module and the negative lead
of the power source to the “-“ terminal on the module as shown above.
The power connections on the module are non-isolated.
WARNING: Note the wire colors used in making the positive, negative and ground connections. Use the same color assignment for
the connection at the circuit breaker.
Connect the power wires to the circuit breaker and switch the circuit breaker ON. If any modules are installed, the Power LED(s) will
indicate the presence of power.

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CHAPTER 3: INSTALLATION
During the installation, ensure that the ground potentials are maintained throughout the system connections. This includes but is not
limited to the power source ground and any shielded cabling grounds.
NEVER ATTEMPT TO OPEN THE CHASSIS OR
SERVICE THE POWER SUPPLY. OPENING THE
CHASSIS MAY CAUSE SERIOUS INJURYOR DEATH.
THERE ARE NO USER REPLACEABLE OR
SERVICEABLE PARTS IN THIS UNIT.
WARNING!!!
Make sure to disconnect both power connectors and the ground cables before removing the equipment.
STEP 4: CONNECT CABLES
a. Insert the Gigabit SFP ber or SGMII 10/100/1000BASE-T copper transceiver into the SFP receptacle on the front of the module.
NOTE: The release latch of the SFP ber transceiver must be in the closed (up) position before insertion.
b. Connect an appropriate multimode or singlemode ber cable to the ber port on the front of the module. It is important to ensure
that the transmit (TX) is attached to the receive side of the transceiver at the other end and the receive (RX) is attached to the
transmit side. When using single-ber (SF) models, the TX wavelength must match the RX wavelength at the other end and the RX
wavelength must match the TX wavelength at the other end.
c. Connect the Ethernet 10/100/1000 RJ-45 port using a Category 5 or better cable to an external 10BASE-T, 100BASE-TX
or 1000BASE-T Ethernet PD device.
STEP 5: VERIFY OPERATION
Verify the module is operational by viewing the LED indicators.
LED INDICATOR LOCATION
Power
LED Indicators
Legend Indicator Description
Pwr A
and
Pwr B
OFF Unit not powered
Green - ON Unit powered
Green - Blinking at 1Hz Unit powered and indicates the Reset switch has been depressed for the required
length of time causing the clearing of all buffers and memory on the module.

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CHAPTER 3: INSTALLATION
Power LED Indicators
Uplink Ports
LED Indicators
Legend Indicator Description
10
(100+1000)
OFF No link
Green - ON Port linked at 10 Mbps
Green - Blinking at 10Hz Port data activity at 10 Mbps
Green - Blinking at 1Hz Port linked at 10 Mbps and in redundant secondary mode
100
OFF No link
Green - ON Port linked at 100 Mbps
Green - Blinking at 10Hz Port data activity at 100 Mbps
Green - Blinking at 1Hz Port linked at 100 Mbps and in redundant secondary mode
1000
OFF No link
Amber - Blinking at 1Hz Port not linked at 1000 Mbps and receiving AN Remote Fault
Green - ON Port linked at 1000 Mbps
Green - Blinking at 10Hz Port data activity at 1000 Mbps
Green - Blinking at 1Hz Port linked at 1000 Mbps and in redundant secondary mode
Uplink LED Indicators
NOTE: 10 Mbps and 100 Mbps operation is supported when using an SGMII 10/100/1000BASE-T copper transceiver.
RJ-45 Ports
LED Indicators
Legend Indicator Description
10 (100+1000)
OFF No link
Amber -ON Port linked at 10 Mbps Half-duplex
Amber - Blinking at 10Hz Port data activity at 10 Mbps Half-duplex
Green - ON Port linked at 10 Mbps
Green - Blinking at 10Hz Port data activity at 10 Mbps
100
OFF No link
Amber -ON Port linked at 100 Mbps Half-duplex
Amber - Blinking at 10Hz Port data activity at 100 Mbps Half-duplex
Green - ON Port linked at 100 Mbps
Green - Blinking at 10Hz Port data activity at 100 Mbps
1000
OFF No link
Amber -ON Port linked at 1000 Mbps Half-duplex
Amber - Blinking at 10Hz Port data activity at 1000 Mbps Half-duplex
Green - ON Port linked at 1000 Mbps
Green - Blinking at 10Hz Port data activity at 1000 Mbps
PoE/PSE
OFF Port PSE inactive
Amber - ON Port PSE inactive due to power demand exceeding the
power source
Green - single blink Powered by 802.3af PoE 15W
Green - two blinks Powered by 802.3at PoE 30W
Green - three blinks Powered by High-Power PoE 60W

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CHAPTER 3: INSTALLATION
RJ-45 LED Indicators
NOTE: The PSE LED may turn Amber (ON) when a non-PD device is connected to the port.
NOTE: When disconnecting and reconnecting the cable from the RJ-45 PSE ports, it is required to wait at least 5 seconds before reconnecting
the cable to the RJ-45 PSE port.

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APPENDIX A: REGULATORY INFORMATION
A.1 FCC STATEMENT
This equipment generates, uses, and can radiate radio-frequency energy, and if not installed and used properly, that is, in strict
accordance with the manufacturer’s instructions, may cause interference to radio communication. It has been tested and found to
comply with the limits for a Class A computing device in accordance with the specifications in Subpart B of Part 15 of FCC rules,
which are designed to provide reasonable protection against such interference when the equipment is operated in a commercial
environment. Operation of this equipment in a residential area is likely to cause interference, in which case the user at his own
expense will be required to take whatever measures may be necessary to correct the interference.
Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate
the equipment.
This digital apparatus does not exceed the Class A limits for radio noise emission from digital apparatus set out in the Radio
Interference Regulation of Industry Canada.
Le présent appareil numérique n’émet pas de bruits radioélectriques dépassant les limites applicables aux appareils numériques
de la classe A prescrites dans le Règlement sur le brouillage radioélectrique publié par Industrie Canada.

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APPENDIX A: REGULATORY INFORMATION
A.2 NOM STATEMENT
1. Todas las instrucciones de seguridad y operación deberán ser leídas antes de que el aparato eléctrico sea operado.
2. Las instrucciones de seguridad y operación deberán ser guardadas para referencia futura.
3. Todas las advertencias en el aparato eléctrico y en sus instrucciones de operación deben ser respetadas.
4. Todas las instrucciones de operación y uso deben ser seguidas.
5. El aparato eléctrico no deberá ser usado cerca del agua—por ejemplo, cerca de la tina de baño, lavabo, sótano mojado o cerca de
una alberca, etc.
6. El aparato eléctrico debe ser usado únicamente con carritos o pedestales que sean recomendados por el fabricante.
7. El aparato eléctrico debe ser montado a la pared o al techo sólo como sea recomendado por el fabricante.
8. Servicio—El usuario no debe intentar dar servicio al equipo eléctrico más allá a lo descrito en las instrucciones de operación.
Todo otro servicio deberá ser referido a personal de servicio calificado.
9. El aparato eléctrico debe ser situado de tal manera que su posición no interfiera su uso. La colocación del aparato eléctrico
sobre una cama, sofá, alfombra o superficie similar puede bloquea la ventilación, no se debe colocar en libreros o gabinetes que
impidan el flujo de aire por los orificios de ventilación.
10. El equipo eléctrico deber ser situado fuera del alcance de fuentes de calor como radiadores, registros de calor, estufas u otros
aparatos (incluyendo amplificadores) que producen calor.
11. El aparato eléctrico deberá ser connectado a una fuente de poder sólo del tipo descrito en el instructivo de operación, o como
se indique en el aparato.
12. Precaución debe ser tomada de tal manera que la tierra fisica y la polarización del equipo no sea eliminada.
13. Los cables de la fuente de poder deben ser guiados de tal manera que no sean pisados ni pellizcados por objetos colocados
sobre o contra ellos, poniendo particular atención a los contactos y receptáculos donde salen del aparato.
14. El equipo eléctrico debe ser limpiado únicamente de acuerdo a las recomendaciones del fabricante.
15. En caso de existir, una antena externa deberá ser localizada lejos de las lineas de energia.
16. El cable de corriente deberá ser desconectado del cuando el equipo no sea usado por un largo periodo de tiempo.
17. Cuidado debe ser tomado de tal manera que objectos liquidos no sean derramados sobre la cubierta u orificios de ventilación.
18. Servicio por personal calificado deberá ser provisto cuando:
A: El cable de poder o el contacto ha sido dañado; u
B: Objectos han caído o líquido ha sido derramado dentro del aparato;o
C: El aparato ha sido expuesto a la lluvia; o
D: El aparato parece no operar normalmente o muestra un cambio en su desempeño; o
E: El aparato ha sido tirado o su cubierta ha sido dañada.

19
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APPENDIX B: DISCLAIMER/TRADEMARKS
B.1 DISCLAIMER
Black Box Corporation shall not be liable for damages of any kind, including, but not limited to, punitive, consequential or cost of cover
damages, resulting from any errors in the product information or specifications set forth in this document and Black Box Corporation
may revise this document at any time without notice.
B.2 TRADEMARKS USED IN THIS MANUAL
Black Box and the Black Box logo type and mark are registered trademarks of Black Box Corporation.
Any other trademarks mentioned in this manual are acknowledged to be the property of the trademark owners.

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