Chapter 3. Operation
61200.184L1-1
Quad Nx 56/64 Module User Manual
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CTS
Write security: 3; Read security: 5
Clear to Send. Used to control characteristics of CTS (see Table 3-A).
Choose from Normal or Forced On.
DCD
Write security: 3; Read security: 5
Data Carrier Detect. Indicates to the DTE when a valid signal is being re-
ceived at the Network Interface (see Table 3-A). Choose from Normal or
Forced On.
DSR
Write security: 3; Read security: 5
Data Set Ready. This signal indicates to the DTE when the DCE is turned
On
and ready for operation (see Table 3-A). Choose from Normal or
Forced On.
DTR
Write security: 3; Read security: 5
Data Terminal Ready. This parameter determines whether the ATLAS 800
treats a connection as permanent (DTR=Ignore) or to connect only when
DTR is active (DTR=Connect On DTR). Select either Ignore or Connect on
DTR.
0 Inh (Zero Inhibit)
Write security: 3; Read security: 5
When the port detects an uninterrupted string of 0s being transmitted for
more than one second, setting this parameter to ON will cause the ATLAS
800 to send 1s toward the network.
Table 3-A
Normal Mode Operation
(conditions which cause the port control signal to be deactivated)
SIGNAL
RTS
V.54 LOOPBACK
511 TEST ON SELF TEST ACTIVE
NETWORK
TEST ACTIVE
NO DS0
MAPPED
NETWORK
ALARM
CTS
Follows
Off
Off
Off
Off
Off
Off
DCD
—
—
—
Off
Off
Off
Off
DSR
—
Off
Off
Off
Off
Off
—
— = Do not care
Force On = On under all conditions
