Microsens Fast Ethernet 2 Port Multifunction Bridge User Manual

MICROSENS

Ethernet / Fast Ethernet
Twin Bridge module

Description

Fast Ethernet Bridge

The bridge enables connection of copper and fiber segments to Ethernet and Fast
Ethernet whilst at the same time altering the speed. The new twin bridge achieves a
higher port density in the distribution equipment by integrating two bridges per card.

Redundancy

When the card is configured correctly, the two bridges can be switched to one bridge
for redundant connections. This means that important connections can be secured using
this module without the need for such costly features as spanning trees. Two routes are
possible via both, fiber and copper. Switching occurs physically by recognizing links.

4 Port Switch

The card function has a further setting that permits the connections to be grouped into
a 4-port switch with two fiber ports (100Base-FX) and two copper ports (10/100Base-TX).
This switch makes it extremely easy to implement service networks, e.g. for coupling
management agents or rack monitoring systems in existing connections.

Bandwidth limitation

An additional operating mode allows the card to be configured as a fiber/ fiber bridge
with the option of limiting bandwidth. Service providers can use this to release data
rates to customers in a targeted way. If the customer is not prepared to pay for the
maximum bandwidth or if a lower performance is sufficient they can make a targeted
reduction. If migrations are completed later the required bandwidth of up to 100 Mbit/s
is released by reconfiguration, it is not necessary to swap out the hardware. The copper
connections can also be used as mirroring interfaces at the same time, e.g. for sniffer
analyses.

In addition to multimode versions, MICROSENS also offers single mode bridges with
altered optical parameters, which enable long-range segment links of up to 125 km.
These single mode designs are used in particular for Fiber To The Home (FTTH) projects.
The end user can obtain internet services, video on demand and VoIP applications using
the familiar 10/100Base-TX copper connection.

The configuration of the features can be done by the network management or the
integrated configuration switches.

MICROSENS GmbH & Co. KG - Kueferstr. 16 - D-59067 Hamm / Germany - Tel. [phone] - Fax -100 - www.microsens.com

Multifunctional Bridge 10/100Base-TX/100Base-FX Page 2/8

Technical Specifications

Type 2 Port Fast Ethernet Bridge For the coupling of Ethernet and

Fast Ethernet segments for the installation in the
MICROSENS modular chassis

Fiber type Multimode 50 or 62,5/125µm

optional single mode 9/125µm duplex

Opt. output power -19 dBm (1300 nm Multimode min.)

-15 dBm (1300 nm single mode min., 15 km version)

-5 dBm (1300 nm single mode min., 40 km version)

-5 dBm (1550 nm single mode min., 80 km version)
0 dBm (1550 nm single mode min., 125 km version)

Opt. sensitivity -31 dBm (1300 nm Multimode)

-31 dBm (1300 nm single mode, 15 km version)

-34 dBm (1300 nm single mode, 40 km version)

-34 dBm (1550 nm single mode, 80 km version)

-37 dBm (1550 nm single mode, 125 km version)

Max. distance Full duplex: 2 km (Multimode),

15..125 km (Single mode),
Half duplex: 412 m

Cable type Shielded Twisted Pair cable, 100 Ohm, Category 5

Data rate 10 or 100 Mbit/s

Max. distance 100 m

Configuration 10/100Base-TX: Autonegotiation, Auto Crossing

100Base-FX: manual per DIP-switch

LED displays PWR ready for operation

TX1 first Twisted Pair-connection
FX1 first fiber connection
TX2 second Twisted Pair-connection
FX2 second fiber connection

Power supply 12 V DC / max. 500 mA via backplane

Operating- /Stor.temp. 0°C to 55°C / -20°C to 80°C

Rel. humidity 5% to 80% non condensing

Dimensions 3 HE x 6 TE (128 x 31 mm)

Management Status monitoring and configuration via SNMP/web based

management with management module MS416020

Configuration Hardware level per DIP-switch (DIP-switch 13: off)

per Management (DIP-switch 13: on)

MICROSENS GmbH & Co. KG - Kueferstr. 16 - D-59067 Hamm / Germany - Tel. [phone] - Fax -100 - www.microsens.com

Multifunctional Bridge 10/100Base-TX/100Base-FX Page 3/8

s

Construction

LED-display

10/100Base-TX ports

TX1 FX1 PWR

Tx

Rx

TX2

FX2

Tx

Rx

Multifunctiona l Bridge

MICROSENS

100Base-FX ports

Configuration

DIP-switch for
configuration

1

3

5

4

7

689

111012

13

151416

2

Fuse 500 mA, slow

All operation modes can be configured with the network management (with
MS416020) or the DIP switches. The selection about the configuration is done by DIP
switch 13.

Function Switch 13 Description

1 ON Configuration through management (DIP switches 1-12

and 14-16 without function)

2 OFF Configuration per DIP switches

To configure the different operating modes the module has several DIP switches. The
selection of the main functionality is done by DIP switches 14, 15 and 16:

Function Switch 14 Switch 15 Switch 16 Description

1 OFF OFF OFF Fiber-Bridge

2 OFF OFF ON 2 channel Bridge

3 OFF ON OFF Redundant Bridge

4 OFF ON ON 4 Port Switch

MICROSENS GmbH & Co. KG - Kueferstr. 16 - D-59067 Hamm / Germany - Tel. [phone] - Fax -100 - www.microsens.com