RFL Communications 21 Sub-MUX Bedienungsanleitung PDF herunterladen (Seite 5)

RFL SMX3 / 21 Page 5 of 22 Issue 1.4

User Manual

08 June 2009

5. Channel Characteristics

The maximum bandwidth that may be configured for Data Channel A (X.21) is a

function of the speed of the aggregate.

The sample rates for Aggregate Channels 2 & 3 are also a function of the aggregate

speed; thus the maximum baud rate that can be configured for Data Channels B & C

are a function of both the aggregate speed and the aggregate channel to which they

are assigned. The range of baud rate settings remains the same regardless of

aggregate speed.

Data Channel Aggregate Speed 64kbit/s 128kbit/s 192kbit/s 256kbit/s

Channel A

(X.21)

Bandwidth kbit/s

64 or 128

Sample Rate 16k 32k 48k 64k

Baud Rate range

(Async Mode)

1200 - 9600

Channel B or C

(V.24) assigned

to Agg. Ch 2

Baud Rate range

(Transparent Mode)

4800 9600 19200 38400

Sample Rate 8k 16k 24k 32k

Baud Rate range

(Async Mode)

1200 -

4800

1200 - 9600

Channel B or C

(V.24) assigned

to Agg. Ch 3

Baud Rate range

(Transparent Mode)

2400 4800 9600 19200

Transparent Mode is a high speed configuration for the V.24 ports particularly suited

to applications for protection relays. The end to end delay in this mode is less than

0.5s (excluding delays introduced by the comms link).

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RFL Communications 21 Sub-MUX Bedienungsanleitung Seite 5