Cabletron Systems 1800 - Manual (Page 307)

St atus Displays 20-9
X.25 Line Monitor
The X.25 line monitor is used to monitor X.25, SDLC, BSC, and async ports. The fol-
lowing figure shows an example.
Figure 20-6 X.25 Line Monitor Display
[C],[E] from Main Menu
Information in this Display
On each line:
●
The leftmost field shows the time, to hundredths of a second.
●
The next field displays I (Incoming) or O (Outgoing). (Outgoing packets are also
displayed in reverse video.)
●
The next field identifies the packet type.
● D , M , or Q appears between the packet type and the LCN field if the D, M, or Q
bit is turned on in the packet.
● LCN is the logical channel of a data session.
● PR is the packet receive sequence number.
● PS is the packet send sequence number.
● LNG is the length of the data in bytes.
●
The field to the right of the colon contains the data in a data packet. (Data
exceeding the screen width is displayed on the next line.)
09:23:05:16 I DA TA LCN 4072 PR 4 PS 4 LNG 1024:56686520756190G801
09:23:05:27 I DA TA LCN 4072 PR 4 PS 5 LNG 1024:46686521255190G811
09:23:05:27 I RR LCN 4071 PR 6 PS
09:23:06:05 O RR LCN 4072 PR 6 PS
09:23:06:18 O DA TA LCN 4072 PR 6 PS 6 LNG 1024 :557586707555090G85
09:23:07:13 O DA TA LCN 4071 PR 6 PS 7 LNG 1024 :54389450758090G859