SMAR SW-700 Manuale

JUL / 04

FOUNDATION S W 7 0 0 M E

web: www.smar.com/contactus.asp

www.smar.com

Specifications and information are subject to change without notice.

Up-to-date address information is available on our website.

smar

SW-700 – Ethernet Switch

1.1

SW-700 MODULE

Part Number

SW-700 - Ethernet Switch

Description

Smar SW-700 module is a Fast Ethernet Switch that provides LAN networks with 10 Base-T/100

Base-TX high-speed auto-sensing connectivity. Five ports, where one is dedicated for the Uplink will

provide access for many devices and will help to eliminate traffic congestions that cannott be well

treated by Network Hubs.

The SW-700 is also a great choice when connecting different speed networks as Ethernet and Fast

Ethernet and will also optimize finding the right path for same type of Ethernet. LED indicators for

link/activity, speed, full/half duplex and collision for each individual port and one for module power.

It can be powered by the Rack or by an external 24Vdc. Power supply redundancy circuit will

automatically switch from the user preferred supply to the other one in case of failure.

Industrial design, no internal fans and low EMC makes it a great option for automation and process

control applications.

SW-700 Auto-sensing Ethernet Switch

Operation

The SW-700 has a frame buffer composed of 1M bits of built-in memory. The address look-up table

for MAC addresses learning/searching consists of 1K direct-mapping tries.

The SW-700 uses Nway auto-negotiation to complete the UTP port connections of physical links

which conform to IEEE 802.3u specifications. IEEE 802.3x full duplex flow control is supported.

When operating in half duplex mode, a proprietary back-pressure algorithm is implemented to

prevent traditional hub devices from partitioning due to excessive collisions.

100

ETH 1

ETH 2

ETH 3

FD/Col

ETH 4

FD/Col

100

UpLink

SW-700

H ot-Swap

FD/Col

100

FD/Col

100

FD/Col

100

L/A

L/AL/A

L/A

smar

SW-700 - Instruction Operation Manual

1.2

The SW-700 supports non-blocking wire speed forwarding rates and special designs to resolve

head-of-line blocking problems and channel-capture problems. A broadcast storm filtering function is

also provided for abnormal broadcast traffic issues.

Auto-polarity is implemented to correct the detected reverse polarity of RXIP/RXIN signal pairs.

The SW-700 implements power saving mode on per port basis. A port automatically enters power

saving mode 10 seconds after the cable is disconnected from it.

Address Search, Learning and Aging:

The SW-700 contains a full 1K of look-up table entries and uses a direct-mapping scheme to

achieve address search and learning.

By extracting the least 10 bits of a destination MAC address to index the 1K-entry look-up table, the

SW-700 can decide where the packet goes. If the searching result indexes to an empty entry, the

packet is broadcast to all other ports. On the other hand, the SW-700 extracts the least 10 bits of a

source MAC address to index the 1K-entry look-up table. If the result indexes to an empty entry, it

records the source MAC address and related switching information. If the result leads to an

occupied entry with different switching information, it updates the entry with the new information.

This is referred to as 'learning'. The look-up engine will update time stamp information of an entry

whenever the corresponding source MAC address appears. If the time information is not updated for

a period of time, the entry will be removed, referred to as the aging process. The maximum aging

time for the SW-700 is approximately 300 seconds, and the minimum aging time is approximately

200 seconds.

Installation

The SW-700 may be installed in a rack, powered by the rack bus or alone with a 24 Vdc external

power supply, using the DF9 rack to mount it on the DIN rail. For both cases, when the module is

powered, the green LED for power indication will light.

Installation of the module into the DF9 individual support

SW-700 module can also be installed into the DF9 individual support using 24 Vdc external power

supply. DF9 can be observed in the picture below:

Individual Support– DF9

SW-700 Module

1.3

Installation of the Module into the Rack R700-4

The SW-700 module can be installed in the rack, powered by the bus rack. The Rack R700-4 is

ready for mounting in DIN rail. The steps for the module installation are showed below:

Rack - R700-4

Attach the top of the module (with a 45oinclination) to the

module support located on the upper part of the rack.

Mounting detail.

Push the module fixing it to the module connector.

Next, fix the module to the rack using a screwdriver, and

fasten the fixation screw at the bottom of the module.

SW-700 - Instruction Operation Manual

1.4

Redundant Power Supply Operation

The SW-700 may be powered externally or through the IMB. So, it supports power supply

redundancy. The user must set jumpers in order to configure the main power.

Find the jumper at the bottom of the module box. With the aid of a plier set the position of the

jumpers according to the operation mode.

Main power supply

through an external

power supply and IMB

redundancy.

Procedure:

Jumper must be placed

between 1 and 2

Main power supply

through an IMB and

external power supply

redundancy.

Procedure:

Jumper must be put

between 2 and 3

Jumper detail

SW-700 Module

1.5

Technical Specifications

PORTS

4 Ports (Regular Ports)

RJ-45

1 Port (Uplink Port - no cross cable to connect

to a hub or switch)

RJ-45

INTERNAL POWER

Internal (rack)

5 Vdc

Current Consumption

500 mA maximum

EXTERNAL POWER

Voltage Range

10 - 35Vdc

Current Consumption

115 mA @24 Vdc maximum

Power Consumption

2.8 W maximum

COMPATIBILITY

Fully compliant with IEEE 802.3 and 802.3u

NETWORK

Connector Type: RJ45

Ethernet 10Base-T and High Speed Ethernet 100Base-TX

INDICATION LEDS

System: Power LED

Individual Ports: Collision/Speed/Active

Uplink: Collision/Speed/Active

POWER SAVING

Each port automatically enters on power saving mode 10 seconds after cable

disconnect.

REDUNDANCY

Between Internal IMB Vcc and the External Power Supply

TEMPERATURE

Operation 0ºC to 60ºC

DIMENSIONS AND WEIGHT

Dimensions 39.9x137.0x141.5 mm (1.57x5.39x5.57 in)

Weight 0.290 kg

SW-700 - Instruction Operation Manual

1.6

Appendix A

A.1

SRF – SERVICE REQUEST FORM

SW-700 – Ethernet Switch

Proposal Nº:

COMPANY INFORMATION

Company:

_____________________________________________________________________________________________________

Unit: ________________________________________________________________________________________________________

Invoice: _______________________________________________________________________________________________________

COMMERCIAL CONTACT

Full Name:

____________________________________________________________________________________________________

Phone: _________ _________________________ _________ _________________________ Fax: _______________________

E-mail:

_______________________________________________________________________________________________________

TECHNICAL CONTACT

Full Name: ________________________________________________________________________________________________

Phone: _________ _________________________ _________ _________________________ Extension: ____________________

E-mail:

_______________________________________________________________________________________________________

EQUIPMENT DATA

Model:

______________________________________________________________________________________________________

Serial Number: ________________________________________________________________________________________________

PROCESS DATA

Process Type (Ex. boiler control): __________________________________________________________________________

Operation Time: ____________________________________________________________________________________________

Failure Date: __________________________________________________________________________________________________

FAILURE DESCRIPTON

(Please, describe the failure. Can the error be reproduced? Is it repetitive?)

______________________________________________________________________________________________________________

OBSERVATIONS

______________________________________________________________________________________________________________

USER INFORMATION

Company: _____________________________________________________________________________________________________

Contact: _______________________________________________________________________________________________________

Section: _______________________________________________________________________________________________________

Title: ________________________________________________ Signature:_______________________________________________

Phone: _________ _________________________ _________ _________________________ Extension: ___________________

E-mail: ________________________________________________________________________ Date: ______/ ______/ _________

For warranty or non-warranty repair, please contact your representative.

Further information about address and contacts can be found on www.smar.com/contactus.asp

SW-700 - Instruction Operation Manual

A.2

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