RFL Communications 21 Sub-MUX Instrukcja Użytkownika Pobierz pdf (Strona 17)

RFL SMX3/40 Page 17 of 24 Issue 2.02

User Manual

07 May 2009

14. Example Configurations

Example 1: Point to point: asynchronous data: minimal delay (eg protection

relays):

Set Aggregate Direction for A2, B1, B2 and C1 all to X21 port. Data from B1 will

communicate to A2 on aggregate channel A; separate data will be communicated

from B2 to C1 using the same aggregate channel. This configuration assumes a

master clock signal is provided by the X21 links.

DIP Switch Settings for all units

8 7 6 5 4 3 2 1

SW1 0 0 0 0 0 1 0 0

SW2 * * * * * * * *

SW3 * * * * * * * *

SW4 * * * * * * * *

SW5 0 0 0 0 0 0 0 1

SW6 0 0 0 0 * * * 0

* indicates setting not applicable to this setup

Substation A Substation B Substation C

X21 X21

C1 B2B1A2

V24

Port 1

V24

Port 1

V24

Port 1

V24

Port 1

Aggregate channel: V24 port 1 on each SMX3/40 is allocated to channel A

Example installation – Two RS232 Protection Links

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