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Configuring Networks

3-19

SIMATIC NET Twisted-Pair and Fiber-Optic Networks

C79000-G8976-C125-02

3.2.7 Combinations with Star Couplers and other Network

Components

S Optical interface cards ECFL2, ECFL4

OLMs can be combined with star couplers in an optical network (see Figure

3-7). A bus structure or redundant ring structure can be created with the ECFL2

or ECFL4. The maximum span of the ring depends, in this situation, on the

combinations.

S Industrial Twisted Pair interface card ECTP3

Using the ECTP3, you can attach OSMs/ESMs, OLMs, and ELMs to a star

coupler via twisted-pair cables (see Figure 3-7). If you want to cascade

modules, use a crossover cable (cable type XP).

S UTP Multiport Repeater interface Card UYDE

You can connect DTEs using TP Cord or network components such as the

OSM, ELM, OLM using TP XP Cord to an ASGE star coupler via the RJ-45

jacks of the UYDE. The UYDE operates according to the 10BASE-T standard

at 10 Mbps.

S Mini UTDE electrical transceiver (RJ-45)

The electrical Mini UTDE RJ-45 transceiver can be plugged in to the AUI

interface of DTEs or network components. It converts the AUl port to a

twisted-pair port with RJ-45 connector technology.

S MINI OTDE optical transceiver

The optical transceiver can be plugged into all DTEs that have an AUI port. This allows direct

attachment to optical components such as the OLM.

Note

Optical connection of MINI OTDE (10 Mbps) and OSM (100 Mbps) is not possible.

S Transceiver

ELMs can be attached to a triaxial segment via transceivers and a 727-1 drop

cable. Please remember that if the transceiver has two ports and is version 4 or

earlier, the attachment must be at the left port.

Whatever configuration is used, the configuration guidelines explained in the

previous sections must be adhered to.

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