Enterasys 6000 Guida Utente
9-14
FRX/FRM 3. 3 User G uide, Rev 04
# of Trailing Pad Chars
specifies the number of padding characters that will be added to the end of each frame,
to ensure that the last significant character is sent before the data transmitter switches
off.
to ensure that the last significant character is sent before the data transmitter switches
off.
No Response Timer
is activated after transmission of a general poll or a data frame. On expiry, a NAK–
EOT–General Poll sequence is transmitted, and the No Response Retry Count is incre-
mented. The timer will be de-activated on reception of any valid frame from the line
during Link Down.
EOT–General Poll sequence is transmitted, and the No Response Retry Count is incre-
mented. The timer will be de-activated on reception of any valid frame from the line
during Link Down.
No Response Retry Count
specifies how many times the user device will be polled (if it is not responding) before
control is passed on the next cluster (accompanied by other condition checks).
control is passed on the next cluster (accompanied by other condition checks).
Delay Timer
is activated when the application queue is empty; i.e., when data from the network is
pending. On expiry, a TTD (Temporary Text Delay) is sent and the timer is restarted.
After the final retry, an EOT is sent to the line, and a Clear Request is sent to the
network.
pending. On expiry, a TTD (Temporary Text Delay) is sent and the timer is restarted.
After the final retry, an EOT is sent to the line, and a Clear Request is sent to the
network.
Delay Retry Count
specifies the number of times the node will retransmit a TTD when there is no data
pending from the network. Once the count reaches the specified value, the node will
issue an EOT and clear the virtual circuit.
pending from the network. Once the count reaches the specified value, the node will
issue an EOT and clear the virtual circuit.
NAK Retry Count
specifies the number of times the node will send a frame when the receiving device is
unable to acknowledge; that is, returns a NAK to the node.
unable to acknowledge; that is, returns a NAK to the node.
VC to be Cleared After Disc
specifies whether the virtual circuit will be cleared after completion of a file transfer.
Idle Timer
is activated on reception of an EOT from the line. On expiry, an EOT is sent to the line
and a Clear Request is sent if
and a Clear Request is sent if
VC to Be Cleared After Disc
is
Y
.
Subscriber Parameters
Sq (Sequence)
is simply a line number to ease selection of a line on the screen to change. To move to
another line, press
another line, press
[A]
and enter the sequence number.
Local Sub
is the ID (subscriber address) of the local end of a BSC connection. (A Subscriber
record must also be configured for this subscriber ID.)
record must also be configured for this subscriber ID.)
Remote Sub
is the ID (subscriber address) of the remote end of a BSC connection. (A Subscriber
record must also be configured for this subscriber ID.)
record must also be configured for this subscriber ID.)
Autocall
causes a BSC device to automatically the remote end when it becomes active.