Table Be. V.35/Rs-449 Option Settings - AT&T System 85 Installation And Test

TABLE BE. V.35/RS-449 Option Settings
SWITCH
DESIGNATION
SWITCH
SECTION
SWITCH
POSITION
DESCRIPTION
POLL
S2
I
ONt
Enables polling
Polling
application
OFF* Normal operation
RSD 2
ONt RS to CS = 0 msec
RS to CS
delay
OFF* RS to CS = 4 msec,
normal operation
TR1 3
ONt Enables polling Tristate
OFF* Normal operation
RR
4
ON* Receiver ready,
normal operation
Receiver
ready
control
OFFt Receiver ready,
continuous operation
Remote/Local loopt
LL Local loop (XMT
PCM to RCV PCM)
Loop
switch
OFF No loop
RL Remote loop (RCV
to XMT data)
XMT clock select
INT* Internal clock control
EXT External clock control
* Normal setting.
t Polled setting.
Located on front of board.
Page 144