Transition Networks E-MMR-2 User manual

Multi Media Repeater
(E-MMR-2)
7346.E
Ethernet 2-Port
™
For assistance in installing, using, or
maintaining the TRANSITION Networks
Ethernet Multi Media Repeater, contact
TRANSITION Networks Technical
Support at:
[phone]
or contact your local distributor.
21
ETHERNET MULTI MEDIA REPEATER
SPECIFICATIONS
Standards
IEEE 802.2, 802.3
Physical
Dimensions
7.1" x5.1" x2.5" (180 mm x130 mm x64 mm)
Input Power
Power Supply Adapter
AC Input:
TN PN Requirement Location
3518 120 volts, 60 hertz, 28 watts USA/Canada/Mexico
3516 230 volts, 50 hertz, 28 watts Europe
3514 100 volts, 50-60 hertz, 28 watts Japan
3517 240 volts, 50 hertz, 28 watts United Kingdom
3515 240 volts, 50 hertz, 28 watts Australia
DC Output:
9 volts at 500 mA maximum
MTBF
48170 houra
Environment
Temperature: 0-50°C (32° to 122° F )
Humidity 10-90%, non condensing
Altitude 0-10,000 feet
Warranty
5 years

Ethernet™ 2-Port Multi Media Repeater 20
CAUTION: RJ connectors are NOT INTENDED FOR
CONNECTION TO THE PUBLIC TELEPHONE
NETWORK. Failure to observe this caution could result
in damage to the public telephone network.
Compliance Information
UL Listed
C-UL Listed (Canada)
CISPR/EN55022 Class A
FCC Regulations
This equipment has been tested and found to comply with the limits for a class
A digital 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 case the user
will be required to correct the interference at the user’s own expense.
Canadian Regulations
This digital apparatus does not exceed the Class A limits for radio noise for
digital apparatus set out on the radio interference regulations of the Canadian
Department of Communications.
European Regulations
Warning
This is a Class A product. In a domestic environment this product may cause
radio interference in which case the user may be required to take adequate
measures.
Copyright Restrictions
© 1995, 1996 TRANSITION Networks Inc.
All rights reserved. No part of this work may be reproduced or used in any
form or by any means – graphic, electronic, or mechanical – without written
permission from TRANSITION Networks Inc.
Trademark Notice
All registered trademarks and trademarks are the property of their respective
owners.
Der Anschluss dieses Gerätes an ein öffentlickes
Telekommunikationsnetz in den EG-Mitgliedstaaten verstösst gegen die
jeweligen einzelstaatlichen Gesetze zur Anwendung der Richtlinie
91/263/EWG zur Angleichung der Rechtsvorschriften der
Mitgliedstaaten über Telekommunikationsendeinrichtungen
einschliesslich der gegenseitigen Anerkennung ihrer Konformität.
10Base2 Cable Specifications
The physical characteristics of the 10Base2 cable must meet or exceed IEEE 802.3
10Base2 specifications.
Cable Characteristics:
Cable type: Stranded Coaxial RG58 (ThinNet)
Impedance: 50 Ω@ 10 MHz
Mutual Capacitance: 24 pF/ft ±20% @ 10 MHz
Maximum Cable Length:185 meters (610 feet)
Maximum number network connections:30
Minimum distance between connections: 0.5 meters (1.6 feet)
Terminate 10Base2 cable at one end using a 50 ohm terminator and at the
other end using a 50 ohm terminator grounded to earth ground.
10BaseT Cable and Connector Specifications
The physical characteristics of the 10BaseT cable must meet or exceed IEEE 802.3
10BaseT specifications.
10BaseT Cable Characteristics:
Category 3 wire or better is required; category 5 wire is recommended. Either
shielded twisted pair (STP) or unshielded twisted pair (UTP) can be used. DO
NOT USE FLAT OR SILVER SATIN WIRE.
Category 3:
Gauge 24 to 22 AWG
Attenuation 28 dB/1000’ @ 10 MHz
Differential Characteristic Impedance 100 Ω±10% @ 10 MHz
Category 5:
Gauge 24 to 22 AWG
Attenuation 20 dB/1000’ @ 10 MHz
Differential Characteristic Impedance 100 Ω±10% @ 10 MHz
Maximum Cable Length: 100 meters (330 feet)
10BaseT Connector Characteristics:
The two active pairs in a 10BaseT network are pins 1 & 2 and pins 3 & 6. Use
only dedicated wire pairs (such as blue/white & white/blue, orange/white &
white/orange) for the active pins. 10BaseT cable for unlike devices (such as
hub to terminal device) must be configured as straight through; 10BaseT cable
for like devices (such as hub to hub or terminal device to terminal device) must
be configured as crossover.
Twisted
Pair #1
Twisted
Pair #2
Crossover Cable
Connectors for like devices
1
2
3
6
1
2
3
6
1
2
3
6
Twisted
Pair #1
Twisted
Pair #2
Straight Through Cable
Connectors for unlike devices
1
2
3
6

Table of Contents
1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . 1
The Multi Media Repeater . . . . . . . . . . . . . . . . . . . . . . . . . . .1
Multi Media Repeater Features . . . . . . . . . . . . . . . . . . . . . . . . .1
Networking the Multi Media Repeater . . . . . . . . . . . . . . . . . . . .2
Multi Media Repeater Connectors, LEDS, and Switch . . . . . .3
2 SITE CONSIDERATIONS. . . . . . . . . . . . . . . . . . . . 4
Ensuring Correct Segment Number . . . . . . . . . . . . . . . . . . . .5
Ensuring Correct 10BaseT Configuration . . . . . . . . . . . . . . . .8
3 INSTALLATION. . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Unpacking the Multi Media Repeater . . . . . . . . . . . . . . . . . .7
Installing Multi Media Repeater on Flat Surface . . . . . . . . . . .8
Installing Slide-In Cards . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
Connecting Cable to Slide-In Cards . . . . . . . . . . . . . . . . . . .10
BNC Connector/10Base2 Connection . . . . . . . . . . . . . . . . . . .10
Twisted Pair Connector/10BaseT Connection . . . . . . . . . . . . .11
Female AUConnector/10Base5 or Transceiver Connection . . .12
Male AUIConnector/PC Connection . . . . . . . . . . . . . . . . . . . .13
Fiber OpticConnector/10BaseFL Connection . . . . . . . . . . . . . .13
Connecting Power to Multi Media Repeater . . . . . . . . . . . .14
4 OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Monitoring Power LED . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Monitoring Status LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
5 MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . 16
Fault Isolation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Technical Support Contact . . . . . . . . . . . . . . . . . . . . . . . . .16
WARRANTY STATEMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
CABLE SPECIFICATIONS. . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
ETHERNET MULTI MEDIA REPEATER TECHNICAL
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Ethernet™ 2-Port i
19 Multi Media Repeater
ETHERNET CABLE SPECIFICATIONS
AUI Cable and Connector Specifications
The cable is a special 4-pair individually shielded with an overall braided
shield.
Maximum AUI Cable Length: 50 meters (165 feet)
AUI Connector Characteristics:
AUI Port: Male DB-15 with locking posts.
AUI Connection: Cable shell must be grounded.
Connector Legend: 1 Logic Ref. 6 Power Return 11 Logic Ref
2 Collision+ 7 N/C 12 Receive
3 Transmit+ 8 Logic Ref. 13 Power
4 Logic Ref. 9 Collision-- 14 Logic Ref.
5 Receive+ 10Transmit- 15 N/C
10BaseFL Cable and Connector Specifications
The physical characteristics of the 10BaseFL cable must meet or exceed IEEE
802.3 10BaseFL specifications.
10BaseFL Cable Characteristics:
Fiber Optic Cable Recommended: 62.5/125 µm multimode fiber
Optional: 100/140 µm multimode fiber
85/125 µm multimode fiber
50/125 µm multimode fiber
Fiber Optic Transmitter Power: Average power: -15.0 dBm
Peak power:-12.0 dBm ±1dBm
Fiber Optic Receiver Sensitivity: Average sensitivity: -27.4 dBm
Bit error rate: ≤10-10
Maximum Cable Length: 2000 meters (6500 feet)
10BaseFL Connector Characteristics:
ST type connectors (SMA type available upon request)
10Base5 Cable and Connector Specifications
The physical characteristics of the 10Base5 cable must meet or exceed IEEE 802.3
10Base5 specifications.
10Base5 Cable Characteristics:
Cable type: RG8 Solid Coaxial (ThickNet)
Impedance: 50 Ω@ 10 MHz
Capacitance: 26pF/ft
Maximum Cable Length: 500 meters (1650 feet)
Maximum number network connections: 100
Minimum distance between connections: 2.5 meters (8.2 feet)
Terminate 10Base5 cable at one end using a 50 ohm terminator and at the
other end using a 50 ohm terminator grounded to earth ground.
Maximum number of terminal devices on Ethernet network: 1024

Ethernet™ 2-Port 18
1Multi Media Repeater
1. INTRODUCTION
This guide is intended for the system or network administrator
responsible for installing and monitoring a TRANSITION Networks
Ethernet™ 2-Port Multi Media Repeater. A working knowledge of
local area network (LAN) operations, including familiarity with
communications protocols used on interconnected LANs, is
assumed.
The Multi Media Repeater
The TRANSITION Networks Ethernet™ 2-Port Multi Media Repeater
(MMR-2), is a small, multi-purpose Ethernet repeater that is site-
configurable, using Slide In Cards (SICs), for various signal
transmission media.
• SICs, if installed, provide fiber optic, male and female AUI,
BNC, and/or RJ-45 connectors.
• Allows for future network expansion by swapping SICs.
Reset
Power
Partition
Collision
Receive
Partition
Collision
Receive
Partition
Collision
Receive
SIC Slot 1 SIC Slot 2 AUI
Ethernet™
2 Port Multi Media Repeater
SIC Slot 1 SIC Slot 2
E-MMR-02
networks
TRANSITION
Mpls, MN 55344
The sole purpose of this remedy shall be provided the customer with the replacement or
repair of non-conforming goods in the manner described in this Warranty statement. This
exclusive remedy shall not be deemed to have failed of its essential purpose so long as TN is
willing and able to repair or replace the defective item(s) or refund the purchase price.
TN reserves the right to inspect products claimed to be defective under warranty either at the
customer’s location or at TN’s plant. TN assumes no liability for liability charges incidental
to the adjustment, service, repairing, removal or replacement of the product, or other costs,
or the expense of repairs made outside of its factory, except when made with TN’s prior
written consent. Additionally, Transition Networks reserves the right to charge for all testing
and shipping incurred, if after testing, a return is classified as “No Problem Found”.
TN’s total liability in connection with the products and their installation to all persons and
from all causes in the aggregate, whether in contract, tort, or strict liability, shall not exceed
the amount paid to TN for the product directly related to the alleged damage. However, in
no event shall TN have any liability to a customer or any third party for products
manufactures according to the customer’s specifications.
C. Return Procedure
The customer must follow this procedure for the return of defective items:
1. Locate the serial number(s) of the item(s) to be returned.
2. Determine the date the item(s) was received.
3. Contact Transition Networks Technical Support to determine if the problem can be
corrected on site.
If not, and the product is covered by warranty, then:
• Call the distributor directly or contact TN.
• Request a Return Material Authorization (RMA).
• Ship the item, prepaid in original packaging to Transition Networks at the above
address.
• Include the RMA number on the outside of the carton and/or on the Packing List.
• Include a copy of the RMA form.
• Include a copy of the original invoice or packing list (if possible) to expedite
processing.
• The item(s) may be shipped by the customer or the distributor.
• Transition Networks will repair or replace the unit, at TN’s discretion, and cover the
cost of the return freight to the distributor or to the customer, whichever requested
the RMA number.
If the item(s) was received more than five years ago, or if the item(s) is no longer covered by
warranty for other reasons, then:
• Call the distributor or contact TN.
• Request a Material Repair Authorization number (MRA).
• Ship the item(s), prepaid, in the original packaging to Transition Networks at the
above address.
• Include the MRA number on the outside of the carton add/or on the Packing List.
• Include a copy of the MRA form.
• Include a copy of the original invoice or packing list (if possible) to expedite processing.
• Only the customer (end-user) may send the items(s) to TN.
• TN will contact the customer after the item(s) have been received, inspected, and a
cost estimate of the repair determined.
• The repair charges may be billed, with customer’s approval, though the distributor, or
on a prepaid or C.O.D. basis directly to the customer. The charges will include the
cost of shipping.
The return authorization numbers are valid only for 90 days from the date issued.

Ethernet™ 2-Port 2
17 Multi Media Repeater
Networking the Multi Media Repeater
The Multi Media Repeater SIC slots can be used to connect two
10Base2 cables, extending the 10Base2 cable a distance of 200 meters
(610 feet).
The SIC slots also can be used to connect two different media,
selectable from among 10Base2, 10BaseT, 10BaseFL, and 10Base5,
and the AUI connector can be used to attach to 10Base5 or, through a
transceiver or media converter, to 10Base2, 10BaseT, or 10BaseFL.
Reset
Power
Partition
Collision
Receive
Partition
Collision
Receive
Partition
Collision
Receive
SIC Slot 1 SIC Slot 2 AUI
Ethernet™
2 Port Multi Media Repeater
SIC Slot 1 SIC Slot 2
E-MMR-02
networks
TRANSITION
Mpls, MN 55344
Reset
Power
Partition
Collision
Receive
Partition
Collision
Receive
Partition
Collision
Receive
SIC Slot 1 SICSlot 2 AUI
Ethernet™
2 Port Multi Media Repeater
SIC Slot 1 SIC Slot 2
E-MMR-02
networks
TRANSITION
Mpls, MN 55344
optional
OR OR
OR OR
OR OR
Warranty Statement
A. Five Year Warranty
Transition Networks, Inc. (TN) warrants, for a period of five years, that TN products (with
the exception of power supplies and fans that TN warrants for two years) will be free from
defects in materials and workmanship, and will be in conformity with TN’s specifications.
TN’s warranty on products manufactured by or assembled for TN in accordance with a
customer’s specifications, is a five-year warranty that the goods conform to such
specifications.
The warranty is invalidated if the goods have been subject to alterations, misuse, accident,
Acts of God (e.g., damage by floods, lightning strikes, Etc.), tampering, improper
maintenance, improper installation, or abuse. If the user is unsure about the proper means
of installing or using the equipment, contact TN’s free Technical Support or Network
Design Services, which can be reached by:
Telephone 1.800.LAN.WANS or 612.941.7600
Fax [phone]
E-mail [email protected]
Internet http://www.transition.com
THE ABOVE WARRANTY IS EXCLUSIVE AND EXTENDS ONLY TO PRODUCTS
ASSEMBLED BY TRANSITION NETWORKS, INC. TO THE EXTENT PERMITTED BY LAW,
TN DOES NOT MAKE AND DISCLAIMS ALL OTHER WARRANTIES, EXCEPT TITLE,
EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, ANY WARRANTY OF
DESCRIPTION, MERCHANTIBILITY, FITNESS FOR A PARTICULAR PURPOSE OR NON-
INFRINGEMENT, AND ANY WARRANTY BASED UPON PRIOR WRITTEN OR ORAL
REPRESENTATIONS REGARDING SUCH PRODUCTS MADE BY TN, ITS EMPLOYEES,
AGENTS, OR REPRESENTATIVES.
B. Limitations and Exclusions
If the customer believes any goods sold by TN are defective and within the warranty period,
the following general procedure will be followed:
1. Locate the serial number and delivery date of the item(s).
2. Notify TN within the warranty period.
3. TN will promptly issue a return authorization form for the goods.
4. Upon receiving the form, the customer will promptly return the item(s) at customers
own expense, shipped prepaid, to the distributor from which it was purchased, or
directly to TN.
TN will only accept goods for return if the following conditions have been met:
1. A return form is obtained from TN.
2. The freight charges have been prepaid by the customer.
3. Goods are re-packed in their original packaging.
If under warranty TN shall, at its option, (1) repair the goods free of charge (2) replace the
goods free of charge, or (3) accept the return of the item(s) and credit the current price to
the reseller (within 90 days of purchase), or (4) if the goods are not under warranty, will
repair the item(s) at a minimum charge of USD $200 (two hundred U.S. dollars) per item.
THIS IS THE EXCLUSIVE REMEDY FOR ANY BREACH OF WARRANTY. IN NO EVENT
SHALL TRANSITION NETWORKS BE LIABLE FOR SPECIAL, INDIRECT, INCIDENTAL OR
CONSEQUENTIAL DAMAGES OF ANY KIND, WHETHER FOR BREACH OF ANY
CONDITION OF SALE, FOR NEGLIGENCE, ON THE BASIS OF STRICT LIABILITY,
CONTRACT, OR OTHERWISE AND IRRESPECTIVE OF WHETHER TN IS INFORMED BY
CUSTOMER OF THE POSSIBILITY OF SUCH DAMAGES IN ADVANCE OF THIS SALE.

Ethernet™2-Port 16
3Multi Media Repeater
Connectors, Switches and Status Indicators
Connectors
One (1) AUI connector is located on one side of the Multi Media
Repeater. One (1) power supply adapter connector is located on the
other side of the Multi Media Repeater.
NOTE: Slide-In cards (SICs), if installed, provide additional fiber
optic, male and female AUI, BNC, and/or RJ-45 connectors
Reset Switch
The Reset switch reinitializes the Multi Media Repeater.
Status Indicators (LEDs)
The Power LED indicates the Multi Media Repeater connection to
external power. One set of Partition, Collision and Receive LEDs
indicate (for each port) the status of the Multi Media Repeater
connections for each installed SIC and for the AUI.
5. MAINTENANCE
WARNING: DO NOT, UNDER ANY CIRCUMSTANCES,
open and attempt to repair the Multi Media Repeater.
Failure to observe this warning could result in personal
injury or death from electrical shock.
NOTE: Failure to observe the above warning will immediately void
the warranty.
Fault Isolation
If two network devices fail to communicate through the 0403
Pocket, consider the following:
• Are the LEDs described in the previous section functioning
properly?
• Do network devices have Link Integrity enabled?
• Do network devices communicate when the Multi Media
Repeater is not installed between them?
• Is flat or “silver satin” wire used in site internal wiring?
• Are internal wiring patch cords, punch down blocks, and
wall jacks properly pinned or configured?
• Is the thinnet cable unbroken and properly connected?
• Are network interface cards properly configured?
Technical Support Contact
For assistance in fault isolation and in maintaining the Multi Media
Repeater, contact:
Technical Support [phone]
or your local distributor.
SIC Slot 1
SIC Slot 2
SIC Slot 1 LEDs
AUI LEDs
SIC Slot 2 LEDs
AUI Connector
Power Supply
Adapter
Connector
Power LED
Reset Switch

Ethernet™2-Port 4
15 Multi Media Repeater
4. OPERATION
The Multi Media Repeater requires no intervention beyond
occasionally monitoring the Power and Status LEDs.
Monitoring Power LED
The green Power LED is illuminated when the Multi Media Repeater is
connected to power.
Monitoring Status LEDs
The Partition LED is illuminated when the Multi Media Repeater port
registers thirty-one consecutive collisions.
The Collision LED is illuminated when the Multi Media Repeater port
registers a collision.
The Receive LED is illuminated when the Multi Media Repeater port
registers packets received.
2. SITE CONSIDERATIONS
The site for the Multi Media Repeater must provide:
•AC power outlet for each Multi Media Repeater
•Adequate ventilation
•Standard environmental conditions
•Isolation from electrical noise, including radio transmitters and
broadband amplifiers, motors, high power electrical lines, or
fluorescent light fixtures.
Additionally:
•The twisted pair cables should not run in the same conduit with
power line cables,
•Phone lines should be separated from data cables,
•Flat or “silver satin”wires should not be used,
•RJ-45 connected cables should be configured as crossover or
straight through according to installation requirements.
And:
•Since the Multi Media Repeater is an Ethernet repeater, the
entire installation should comply with the IEEE Ethernet 802.3
specification.

Ethernet™2-Port 14
5Multi Media Repeater
Connecting Power to Multi Media Repeater
To power ON the Multi Media Repeater:
1. Locate the power receptacle on the back of the Multi Media
Repeater.
2. Connect the Multi Media Repeater power connector end of
the power supply adapter to the Multi Media Repeater.
3. Connect the external power connector end of the power
supply adapter to external AC power.
NOTE: After the power supply adapter is connected to the Multi
Media Repeater and to external power, the green Power LED is
illuminated.
Ensuring Correct Segment Number
When connecting Pockets, the transmission path between any two Data
Terminating Equipment (DTE) terminals can consist of no more than
five segments. (A segment is the cable connection between cable
interfaces in an Ethernet LAN.)
NOTE: Up to one-hundred 10Base5 connections can be made in one
segment.
To assign segment numbers to cable connections:
1. Determine the two terminals in the network which are separated by
the greatest number of segments.
2. Assign a segment path between the terminals by labeling the cable
connected to one of the terminals “segment 1”and the segment
connected to the other terminal “segment n”(n = total number of
segments ≤5).
3. Verify that no segment paths contain more than n segments by
assigning segment paths and numbers to all other terminals.
Ethernet™
2 Port Multi Media Repeater
networks
TRANSITION
Mpls,MN 55344
Ethernet™
2 Port Multi Media Repeater
networks
TRANSITION
Mpls,MN 55344
Ethernet™
2 Port Multi Media Repeater
networks
TRANSITION
Mpls,MN 55344 Ethernet™
2 Port Multi Media Repeater
networks
TRANSITION
Mpls,MN 55344
2
3
4
5
1
34

Ethernet™2-Port 6
13 Multi Media Repeater
Male AUI Connector/PC Connection
The male AUI card (E-AUI-DC-SIC) provides a male AUI connector for
connection, through an AUI drop cable, to a 10Base5 port on a
powered PC.
Fiber Optic Connector/10BaseFL Connection
The fiber optic card (E-FRL-SIC) provides one set of transmit (TX) and
receive (RX) ST connectors to fiber optic cable.
The redundant fiber optic card (E-FL/RED-SIC) provides a back-up fiber
optic connection by using two sets of transmit (TX) and receive (RX) ST
connectors to fiber optic cable.
Ensuring Correct 10BaseT Configuration
The 10BaseT cable and RJ-45 jacks for Hub to Terminal connections
must be configured as straight through. The 10BaseT cable and RJ-45
jacks for Hub to Hub connections must be configured as crossover.
The two active pairs in a 10BaseT network are pins 1 & 2 and pins 3
& 6. Use only dedicated wire pairs (such as blue/white & white/blue,
orange/white & white/orange) for the active pins.
Straight Through Cable
at RJ-45 Plug
Hub . . . . . . . . . . . . . . . .PC, transceiver, NIC, printer
RJ-45 Male . . . . . . . . . . . . . . .RJ-45 Male
1 . . . . . . . . . . . . . . . . . . .1
2 . . . . . . . . . . . . . . . . . .2
3 . . . . . . . . . . . . . . . . . .3
6 . . . . . . . . . . . . . . . . . . .6
18RJ-45PLUG
18234567
RJ-45JACK
up to 2000 meters
Crossover Cable
at RJ-45 Plug
Hub . . . . . . . . . . . . . . .Hub
RJ-45 Male . . . . . . . . . . . . . . .RJ-45 Male
1 . . . . . . . . . . . . . . . . . . .3
2 . . . . . . . . . . . . . . . . . . .6
3 . . . . . . . . . . . . . . . . . .1
6 . . . . . . . . . . . . . . . . . .2

Ethernet™2-Port 12
7Multi Media Repeater
3. INSTALLATION
To install the Multi Media Repeater:
•Unpack the Multi Media Repeater.
•Install Multi Media Repeater on flat surface.
•Optionally install Slide In Cards.
•Connect Cable to SIC connectors and/or AUI connector.
•Connect Multi Media Repeater to power.
Direction is provided in the pages that follow.
Unpacking the Multi Media Repeater
The Multi Media Repeater packing contents should include the
following:
Item Part Number
Multi Media Repeater
Hub E-MMR-2
Power Supply Adapter 3500, 3501, 3506, 3508, or 3510
(depending upon power configuration
in country where installed)
User’s Guide 7346
In addition, any of the following optional SICs may be included:
Item Part Number
Thinnet Coaxial E-CX-SIC
Fiber Optic E-FRL-SIC
Twisted Pair E-TBT-SIC
Female AUI E-AUI-DT-SIC
Male AUI E-AUI-DC-SIC
Bridge E-BR-SIC
Redundant Fiber Optic E-FL/RED-SIC
Female AUI Connector/10Base5, Transceiver Connection
The female AUI card (E-AUI-DT-SIC) provides a female AUI connector
for connection to 10Base5 through an AUI drop cable or to 10Base2,
10BaseT, or10BaseFL through a transceiver NOTE: The bridge card (E-
BR-SIC) also provides a female AUI connector.
Connecting 10Base5 Using AUI Drop Cable
To connect 10Base5 Cable to 8-Port 10BaseT female AUI connector:
1. Locate or build IEEE 802.3
compliant AUI drop cable.
2. Connect AUI drop cable
male DB-15 connector to
the 8-Port 10BaseT AUI
connector.
3. Connect AUI drop cable
female DB-15 connector to
the AUI port on a
transceiver or media attachment unit (MAU).
Connecting to Network Using Transceiver
To connect 8-Port 10BaseT to network using transceiver:
1. Locate IEEE 802.3 compliant transceiver with male AUI DB-15
connector and correct network media connector.
2. Connect transceiver male AUI DB-15 connector to the 8-Port
10BaseT female AUI connector.
3. Connect transceiver network media connector to the network
media.

Twisted Pair Connector/10BaseT Connection
The twisted pair card (E-TBT-SIC) provides an RJ-45 connector to
10BaseT.
To connect 10BaseT Cable to Multi Media Repeater RJ-45 connectors:
1. Locate or build 10BaseT cables with the following
characteristics:
•802.3 compliant (See page 18)
•correct (straight through or crossover) cable configuration
for site installation (See page 7)
•male RJ-45 plug connectors installed at both ends of cable.
2. Connect male RJ-45 plug connector at one end of 10BaseT
cable to Multi Media Repeater RJ-45 jack connector.
3. Connect male RJ-45 plug connector at other end of 10BaseT
cable to DTE terminal RJ-45 jack connector (using crossover
cable orientation) or to RJ-45 jack connector (using straight
through cable orientation).
Ethernet™2-Port Multi Media Repeater 8
11
Installing Multi Media Repeater on Flat Surface
To install the Multi Media Repeater on table, shelf, or other flat surface:
1. Carefully turn Multi Media Repeater to side.
2. Install four (4) rubber feet:
•Remove protective paper from adhesive surface of rubber
foot.
•Position rubber foot at bottom corner of Multi Media
Repeater.
•Secure rubber foot to Multi Media Repeater surface.
•Repeat for remaining rubber feet.
3. Return Multi Media Repeater to upright position.
wall plate
#1
Straight-through 10BaseT
Crossover 10BaseT
#2

Ethernet™2-Port Multi Media Repeater 10
9
Installing Slide-In Cards
CAUTION: Wear a grounding device and observe electrostatic
discharge precautions when installing Slide-In Cards. Failure to
observe this caution could result in circuit board failure.
NOTE: Slide-in Cards can be hot-swapped.
To install a Slide-In Card:
1. Determine if the Slide-In Cards has an SQE switch and, if so,
verify that the SQE switch is in the OFF position:
NOTE: SQE switches must be set to the following OFF
positions:
•UTP/STP card TOWARD 20-pin edge connector
•Thinnet card TOWARD 20-pin edge connector
•AUI-DCE AWAY FROM 20-pin edge connector
•AUI-DTE card Not Applicable
•Fiber Optic card TOWARD 20-pin edge connector
•Redundant Fiber Optic SQE jumper setting on board should be
labeled; if not, holding card with 20-pin edge
connector at top, jumper two leftmost pins.
•Bridge Not Applicable
2. With the Slide-In Card components facing up, carefully guide
the Slide-In Card along the card guides until the Slide-In Card
connector meets the the Multi Media Repeater backplane.
3. Firmly push the card into the slot until the Slide-In Card
faceplate is flat against the Multi Media Repeater frame.
4. Rotate the Slide-In Card thumbscrews into the Multi Media
Repeater threaded holes.
SQE Switch
Connecting Cable to SIC and/or AUI Connector
Connections between installed Multi Media Repeater SICs or between
a Multi Media Repeater SIC and/or terminal device include:
•Female AUI Connector/10Base5
•Male AUI Connector/PC
•RJ Connector/10BaseT
•BNC Connector/10Base2
•ST Connector/Fiber Optic
BNC Connector/10Base2 Connection
The thinnet coaxial card (E-CX-SIC) provides a BNC connector to
10Base2.
NOTE: Verify that coax cables on Multi Media Repeater are terminated
properly at both ends. (In a coax thinnet installation, the first and last
device in a daisy-chain must be
terminated with a 50 ohm
terminator.)
Additionally, the 10Base2
segment must be grounded to
“earth ground”.
50 ohm terminator
50 ohm terminator