Fig. 4
The “SET1” DIP switch selects “Master/Slave” mode, the “SET2” switch
defines a method of the DSL channel rate negotiation and the “SET4” switch
sets a mode of modem management. Purpose of the switches are shown on
Table 5.
Table 5
Switch
Purpose
Position
Meaning
SET1
Operation
mode
ON
Master modem
(STU-C)
OFF
Slave
modem
(STU-R)
SET2
Local or
Preactivation
rate select
ON
Rate is exchanged
by Preactivation
OFF
Rate is set locally
on each modem
SET3
RS-232C
console port
baud rate
ON
57600 bps
OFF
9600 bps
SET4
Modem
management
method
ON
by console port
OFF
by DIP switches
14
