Chapter 6 the swan interface, Swan interface – Cyclades PR1000 User Manual
Page 45

Chapter 6 - Configuration of the SWAN Interface
45
Cyclades-PR1000
CHAPTER 6 THE SWAN INTERFACE
This chapter describes how to configure a SWAN interface. The physical link should be set up as shown in
chapter 2, according to the type of modem or device at the other end of the connection and the type of SWAN
port.
STEP ONE
The first step in the SWAN interface configuration is to define its physical characteristics. These parameters are
presented in the Physical Menu Table.
Physical Menu CONFIG=>INTERFACE=>SWAN=>PHYSICAL
Parameter
Description
Mode
Asynchronous or Synchronous. This parameter is determined by the mode of the
device at the other end of the connection.
Clock Source
Applies for
Synchronous Mode
. Whether this interface provides clock for the device at
the other end of the cable or vice-versa. When the interface is connected to a modem,
the
Clock Source
is always
External
.
Receive Clock
Applies for
Internal Clock Source
. When this interface provides clock, it can either
compare incoming messages with the clock it is generating (
Internal
) or with the clock
it receives from the sender along with the message (
External
).
Externa
l is
recommended.
Speed
Applies for
Internal Clock Source
. Determines at which speed the data will be sent
across the line.
Media for SWAN
Cable
Type of cable -- RS-232, V.35 or X.21. Usually the type is cable is detected by the
router.