SWAN Concentrator Installation and Support Guide

Introduction to the SWAN Concentrator

SWAN Concentrator Installation and Support Guide—429391-006

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Protocols and Line Speeds

A SWAN concentrator can support various line speeds based on the protocol used.

The maximum line speeds for the protocols supported by the SWAN concentrator are

as follows:

Asynchronous

For asynchronous communications, the maximum line speed is 19.2 kb/s

Byte-synchronous

For Envoy byte-synchronous communications software, the maximum line speed is

9,600 kb/s (using both lines on the CLIP) or 19.2 kb/s (using one line on the CLIP).

For CP6100 communications software, the maximum line speed is 19.2 kb/s per line.

Bit-synchronous

For EnvoyACP/XF software, the maximum line speed is 256 kb/s for all interfaces,

except RS-232, which has a maximum line speed of 19.2 kb/s.

For X.25AM software, the maximum line speed is 256 kb/s for all interfaces, except

RS-232, which has a maximum line speed of 19.2 kb/s.

For SNAX/XF and SNAX/APN software when using a single line on a CLIP, the

maximum line speed is 256 kb/s for all interfaces, except RS-232, which has a

maximum line speed of 19.2 kb/s. When using both lines on a CLIP, the combined

speed of both lines cannot exceed 256 kb/s.

For Expand software, the maximum line speed is 64 kb/s for all interfaces, except

RS-232, which has a maximum line speed of 19.2 kb/s. The Expand software does not

work with the X.21 interface.

Connecting Multiple SWAN concentrators

To connect multiple SWAN concentrators, connect them to an Ethernet controller

through any Ethernet switch.

A router can be used to connect SWAN concentrators. However, the use of a router

requires additional configuration.

Note. When using Envoy for byte-synchronous communications, the maximum line speed

speed was much faster with older NonStop controllers than is possible when using SWAN

concentrators. Currently, there is not a way to overcome this limitation.