X25AM Configuration and Management Manual

Configuring an X25AM Subsystem
X25AM Configuration and Management Manual—523424-004
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Numeric Range Validation
SYNCS
SYNCS has no effect on the X25AM line handler process.
TWOWAYCALLS
TWOWAYCALLS and the alternate modifiers enable and disable calls. Call requests
are allowed even if LINE SRCADDR or SUBDEVICE DESTADDR, or both, are null.
NOCALLS is used for permanent virtual circuits (PVCs). The modifiers can be altered
with the SCF line attribute CALLS.
The value can be altered with the SCF line attribute CALLS.
Txx n and Rxx n
Txx and Rxx are network-dependent parameters.
Txx is used for timeout modifiers and Rxx is used for retry counters. These values
account for network-specific delays and timing.
Table 3-4 lists Txx timeout values, which are the intervals before an operation can be
retried, and Rxx retry counter values, which are the numbers of times an operation can
Note: Not in effect (SYNCS is not implemented)
Default: TWOWAYCALLS
Units: Not applicable
Alternate Modifiers: NOCALLS
INCOMINGCALLS or NOINCOMINGCALLS
OUTGOINGCALLS or NOOUTGOINGCALLS
Table 3-3. Call Enabling and Call Disabling
Modifier Incoming calls Outgoing calls
TWOWAYCALLS Accepted Accepted
NOCALLS Rejected Rejected
INCOMINGCALLS Accepted Not Applicable
NOINCOMINGCALLS Rejected Not Applicable
OUTGOINGCALLS Not Applicable Accepted
NOOUTGOINGCALLS Not Applicable Rejected
Default: See Table 3-4
Units: Seconds
Range: Txx n: 5 through 360; Rxx n: 0 through 15