Multi Port
Media Converters
This equipment has been tested and found to comply with the limits for a Class B computing device, pursuant to Part 15
of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses and can radiate radio frequency energy
and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference in which the user will be
required to correct the interference at his own expense.
Any changes or modifications not expressly approved by the manufacturer could void the user's authority to operate the
The use of non-shielded I/O cables may not guarantee compliance with FCC RFI limits.
This digital apparatus does not exceed the Class B limits for radio noise emission from digital apparatus set out in the
Radio Interference Regulation of the Canadian Department of Communications.
Le présent appareil numérique n’émet pas de bruits radioélectriques dépassant les limites applicables aux appareils
numériques de classe B prescrites dans le Règlement sur le brouillage radioélectrique publié par le ministère des
Communications du Canada.
UL/CUL: Listed to Safety of Information Technology Equipment, Including Electrical Business Equipment.
CE: The products described herein comply with the Council Directive on Electromagnetic
Compatibility (89/336/EEC) and the Council Directive on Electrical Equipment Designed for use
within Certain Voltage Limits (73/23/EEC). Certified to Safety of Information Technology
Equipment, Including Electrical Business Equipment. For further details, contact Black Box.
Class 1 Laser product, Luokan 1 Laserlaite,
Laser Klasse 1, Appareil A’Laser de Classe 1
Installation Guide
LB1004A - LB1005A - LB1006A
About Multi Port Media Converters
The Multi Port Media Converter is a 10/100 auto-negotiating, switching optical access product. There is one uplink port (either fiber or 10/100 twisted pair;
uplink can be on rear or front of unit) and three 10/100 twisted pair downlink
ports. The fiber port always operates at 100 Mbps FDX; each copper port autosenses the connected device’s speed and duplex mode: 10 Mbps or 100 Mbps
and HDX or FDX (including Flow Control). The Multi Port Media Converter offers
plug-and-play operation, including the AutoCross feature which automatically
selects between a crossover work-station or pass-through repeater hub connection depending on the connected device.
The Multi Port MediaConverter also protects against Broadcast storms, and allows
packets of up to 1532 bytes to pass. The Multi Port MediaConverter uses a universal,
external switching power cube with 100 - 240 ±10% VAC input and 5V DC output.
Contact Black Box for warranty information.
TX/3 + FX-MM1300-SC [2km]
TX/3 + FX-MM1300-ST [2km]
TX/3 + TX [100m]
Installing Multi Port Media Converters
Install the Multi Port Media Converter as a table-top device, or mount to a wall surface with the appropriate bracket (included). To wall mount, use the supplied screws
to attach the wall-mount bracket to the Multi Port Media Converter, then simply
mount the unit to the wall by tightening the screws (not supplied).
NOTE: The Multi Port Media Converter packaging also includes four small rubber “feet”
for use in table-top or wall-mount installations.
Plug the Multi Port Media Converter into a power source and attach the connected devices. Verify installation by observing the LEDs (see page 2) on the unit.
wall-mount bracket
screw holes for mounting
unit to the wall; wall-mount
bracket must be attached
to the unit
1000 Park Drive • Lawrence, PA 15055-1018 USA
TEL: (724) 746-5500 • FAX: (724) 746-0746 •
© 2005 Black Box Corp. All rights reserved.
The information in this document is subject to change without notice. Black Box assumes no responsibility for any errors that
may appear in this document. Product names are trademarks of the manufacturer. Other brands or product names may be
trademarks and are the property of their respective companies.
Document Number 52-80141BB-00 A0
screw holes for mounting wall-mount bracket
and supplied screws
Multi Port Media Converter with
wall-mount bracket attached
October 2005
LED Operation
General Information
Each Multi Port Media Converter includes diagnostic LEDs for troubleshooting.
For Future Use
For Future Use
Black Box Customer Service Information
Order toll-free in the U.S.: Call 877-877-BBOX
(outside U.S. call 724-746-5500)
FREE technical support, 24 hours a day, 7 days a week:
Call: 724-746-5500 or Fax: 724-746-0746
Mail order: Black Box Corporation
1000 Park Drive, Lawrence, PA 15055-1018
Twisted Pair Downlink Ports
The LED indicator for the twisted pair downlink port is located on the RJ-45 connector of the downlink port next to the power connector. There are two LED functions for the twisted pair downlink ports. LED functions are as follows:
• Glows amber when a link is established on the copper port
• Glows amber indicating a valid link, then blinks amber when activity is
detected on the copper port.
(Green LED on RJ-45 connectors reserved for future use, with one exception— see below).
Fiber Uplink Port
The LED indicator for the fiber uplink port is located on the RJ-45 connector
of the downlink port next to the power connector. There are four LED functions
for the fiber uplink port. LED functions are as follows:
• Glows green when a link is established on the fiber port.
• Glows green indicating a valid link, then blinks green when activity is
detected on the fiber port.
• When the LED is OFF, there is no link
(check cabling, check remote device).
• Blinking LED - indicates the device attached to the other end of the fiber
maybe passing Link Fault Propagation, or generating noise onto the fiber.
This normally happens when there is a media converter at the fiber end
of the link. Connect the second port of the converter onto a valid device
to generate link.
Twisted Pair Uplink Port
If the Multi Port Media Converter has a twisted pair uplink port, the LED location and functionality is the same as for the downlink ports.
Web site:
Operating Temperature: 32° - 122° F (0° - 50° C)
Storage Temperature: 20° - 160° F (-20° - 70° C)
Humidity: 5 - 95% (non-condensing)
AC Input Load: 100-240 VAC ±10%
92”H x 3.50”W x 4.38”D (2.34 x 8.89 x 11.13 cm)
Heat Generation:
17 BTU/hr. maximum
Electrostatic discharge (ESD) can cause damage to your add-in modules. Always observe the
following precautions when installing or handling an add-in module or any board assembly.
1) Do not remove unit from its protective packaging until you’re ready to install it.
2) Wear an ESD wrist grounding strap before handling any module or component. If you do
not have a wrist strap, maintain grounded contact with the system unit throughout any
procedure requiring ESD protection.
WARNING! Integrated circuits and fiber optic components are extremely susceptible to
electrostatic discharge damage. Do not handle these components directly unless you
are a qualified service technician and use tools and techniques that conform to accepted industry practices.
3) Hold boards by the edges only; do not touch the electronic components or gold connectors.
4) After removal, always place the boards on a grounded, static free surface, ESD pad or in a
proper ESD bag. Do not slide the board over any surface.
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