
The Packet Radio “2 N 1” Handbook by Buck Rogers K4ABT
Section 1; Packet Radio “The Basics” Section 2; The X1J4 System Node Operator’s (SNO) Handbook
Section II; TheNET X1J4 System Node Operators Handbook __ Page 40
Chapter 17 Section II
X-1J/+ PARAMETERS
This section defines the function of the 26 parameters that the sysop can change remotely using the PARAMETERS command.
No. Description of Parameter LAN BackBone* Min Max
1. Max destination list entries 100 100 1 400
2. Minimum quality for auto-updates 86 141 0 255
3. HDLC (Radio, port 0) quality 86 141 0 255
4. RS232 (crosslink, port 1) quality 255 255 0 255
5. Initial value for obsolescence counter 9 9 0 255
6. minimum obsolescence count for broadcast 5 5 1 255
7. Auto-update broadcast interval 1800 900 0 65535
8. Network "time-to-live" initializer 32 32 0 255
9. Transport timeout (seconds) 180 180 5 600
10. Transport level 4 maximum tries 3 3 2 127
11. Transport level 4 ack delay(seconds) 2 2 1 60
12. Transport level 4 busy delay (seconds) 60 60 1 1000
13. Transport level 4 requested window size 4 4 1 127
14. Level 4 Congestion control threshold 4 4 1 127
15. No-activity timeout (Level 7 seconds) 1800 1800 0 65535
16. Persistence threshold(P/256) 64 255 0 255
17. Slot time (10ms increments) 10 1 0 127
18. Link level 2 T1 timeout "FRACK" (seconds) 4 1 1 15
19. Link level 2 TX window size "MAXFRAME" 2 3 1 7
20. Link level 2 maximum tries (0=try forever) 11 15 0 127
21. Link level 2 T2 timeout (10ms increments) 200 100 0 6000
22. Link level 2 T3 timeout (10ms increments) 0 0 0 65535
23. AX.25 level 2 digipeating (1=enabled) 0 0 0 1
24. Validate callsigns (1=enabled) 0 0 0 1
25. Station ID beacons (2=on, 1=active, 0=off) 2 1 0 2
26. CQ broadcasts (1=enabled, 0=disabled) 1 1 0 1
* Backbone at 9600 baud
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