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MESSAGES FROM THE TNC

62

Link state is:

This message is output in response to the CONNECT, DISCONNECT and RECONNECT com-
mands if the state of the link does not permit the requested action. It is prefaced by

Can't

CONNECT

or

Can't DISCONNECT

or

Can't RECONNECT

as appropriate and will be followed

by the current link state. A CONNECT command with no options will display the current link
state.

Current link states are:

Both devices busy

Both TNCs involved in the connection are unable to accept any more data.

CONNECTED to (callsign v path)

Your TNC is currently connected to the indicated station, using the path given.

CONNECT in progress

Your TNC is attempting to establish a connection.

Device busy

Your TNC is unable to accept any more data from the remote station at this time.

DISC in progress

Your TNC is attempting to disconnect from another station.

DISCONNECTED

No connection exists on the current stream.

FRMR in progress

Your TNC has detected an error in the protocol. This is normally caused by two TNCs using
the same callsign, resulting in both of them trying to respond to the same message.

REJ frame sent

Your TNC has rejected a packet sent by another TNC. This may be caused by a frame being
received twice, or by a frame being received out of sequence.

REJ sent and device busy

Your TNC has rejected a packet sent by another TNC and it is also unable to receive any
more data from the remote station at this time.

REJ sent and remote busy

Your TNC has rejected a packet sent by another station and the other station is unable to
accept any more data from you.

REJ sent and both devices busy

Your TNC has rejected a packet sent by another station and both, your TNC and the remote
stations TNC, are unable to accept any more data.

Remote device busy

The remote TNC is unable to receive any more data from the radio at this time.

Waiting ACK and device busy

Your TNC has sent a packet to another station and is waiting for the acknowledgment, but
your TNC is not able to accept any data from the radio at this time.

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Содержание KAM

Страница 1: ...C 2400 KPC 2 KPC 1 Commands Manual RF Data Communications Specialists 1202 E 23rd Street Lawrence Kansas 66046 Order number 913 842 7745 Service number 913 842 4476 9 am noon 2 pm 5 pm Central Time Mo...

Страница 2: ...l technically and typographically correct as of the date of the current printing Production changes to the TNC may add errata or addendum sheets We solic it your comments and or suggested corrections...

Страница 3: ...Abbreviations 1 Command Structure 1 Entry 1 Format 2 Parameter Types n range 2 n 00 FF 2 flag Choice A Choice B 3 callsigns xxxxxx n 3 text 3 dual port 3 Commands 4 Directives Ctrl C Directives 53 KA...

Страница 4: ...M and are the settings used at power on If you change any setting or value and PERM it the new setting or value will be stored in the EEPROM and will be the value used at future power on Parameters wh...

Страница 5: ...e described in the description These are decimal numbers n 00 FF Several parameters are numerical codes for characters which perform special functions The code is simply the ASCII character code for t...

Страница 6: ...the extension is not entered it is set to 0 and extensions of 0 are not displayed by the TNC text There are some commands which have a parameter text string This string can be any combina tion of let...

Страница 7: ...If is used the TNC will run an autobaud routine upon power up This routine looks for a character from the attached computer to set the ABAUD parameter If you wish to use a different baud rate or to p...

Страница 8: ...tering ASCII mode with no baud rate specified This baud rate is also used if PMODE is set to ASCII While in ASCII Mode pressing Ctrl C will set the baud rate to that specified by ASCBAUD FCC rules cur...

Страница 9: ...el4 mysel7 AX25l2v2 ON OFF default ON KPC 1 KPC 2 KPC 2400 Packet default ON ON KAM KPC4 Packet This command provides compatibility with all known packet units implementing AX 25 protocol When ON Leve...

Страница 10: ...nd does not apply to the HF port in the KAM Beacon Every After n n 0 255 default Every 0 KPC 1 KPC 2 KPC 2400 Packet default Every 0 Every 0 KAM KPC 4 Packet Each increment specifying 1 minute interva...

Страница 11: ...lls see SUP LIST take precedence over BUDLIST For instance if you have W0ABC in your SUPCALLS with SUP LIST TO and you have W0DEF in your BUDCALLS with BUDLIST BOTH then packets from W0DEF to W0ABC wi...

Страница 12: ...canline cpactime sendpac CCitt ON OFF default ON KAM RTTY When ON the European RTTY code ITA2 is used in the RTTY Mode This code differs from US TTY codes in the following four characters ITA2 US TTY...

Страница 13: ...ction of the Installation Manual When operating RTTY and ASCII the KAM will use only INTERNAL or EXTERNAL If this command is set to SOFTWARE the KAM will act as though it were set to INTERNAL when in...

Страница 14: ...request When ON the custom string will be sent When CMSG is set to DISC the custom text will be sent to the connecting station and then your TNC will disconnect from that station If set to PBBS the c...

Страница 15: ...printed on the display and the TNC remains in the Command Mode The sta tion being connected to call1 may receive the connect request but be unable to accept connects in which case a busy message will...

Страница 16: ...imer See also convers cr paclen pactime sendpac trans CR ON OFF default ON All units Packet When ON the SENDPAC character normally carriage return is appended to all packets sent in Convers Mode Setti...

Страница 17: ...ectives in Directives section CWBand n n 10 1000 default 200 KAM CW This command sets the bandwidth of the TNC input filters for CW in Hertz A small bandwidth will be harder to tune but copy will be b...

Страница 18: ...e time keeping Increasing the parameter will slow the clock decreasing the parameter will speed up the clock Each count corresponds to 85 seconds increase or decrease per day Ambient temperature will...

Страница 19: ...lias gateway hid mycall mynode Disconnect immediate All Units Packet PBBS KA NODE This command will initiate an immediate disconnect request on the current I O stream A success ful disconnect results...

Страница 20: ...This feature is made available to help alleviate the drastic reduction of through put which occurs on a channel when digipeated packets suffer collisions Digipeated packets are not retried by the digi...

Страница 21: ...onal external modem KM 2400 or MSK Modem is used on the VHF radio port Port 2 for KPC 4 Fec xxxx xxx characters or 4 5 or 9 digits immediate KAM AMTOR This command sets the TNC in FEC Mode When a selc...

Страница 22: ...ecifies 1 second intervals After transmitting a packet requiring acknowledg ment the TNC waits FRACK seconds before incrementing the retry counter and sending the packet again If the retry count speci...

Страница 23: ...n operating HF since HF ON auto matically adjusts the HABUD rate default 1200 KPC 2400 It is generally not necessary to change the HBAUD setting when operating HF since HF ON auto matically adjust the...

Страница 24: ...r under some band conditions See also ccitt hbaud hftones default OFF KPC 1 This commands sets the TNC for operation on the High Frequency bands With this command ON the modem output baud rate HBAUD i...

Страница 25: ...ket will be addressed to ID and digipeated via any addresses specified in the UNPROTO command See also hid unproto INtface Terminal BBS Host Kiss V 3 0 default TERMINAL All Units When set to TERMINAL...

Страница 26: ...mode Such calls will appear on the display as the same four letter group appearing repeti tively on the display See also amtor fec misschar LCok ON OFF default ON All Units All Modes When ON no charac...

Страница 27: ...has no local means to correct it This character insertion is disabled in the Transparent Mode See also autolf LFSup ON OFF V 5 0 default ON OFF KAM LList ON OFF V 2 3 default OFF All Units Packet Whe...

Страница 28: ...mber that may be used for incoming connec tions Changing the value of MAXUSERS will cause the TNC to perform a soft reset In order to change the current value of MAXUSERS you must spell out the entire...

Страница 29: ...added to the Information packets as appro priate UI Unconnected Information frame Is Information frame connected s send sequence number See also ax25l2v2 monitor mresp MCon ON OFF default OFF KPC 1 K...

Страница 30: ...B and the received character is invalid or unrecognized See also amtor lamtor MODemena ON OFF default OFF KPC 1 KPC 2 KPC 2400 This command places the TNC in the Dumb Modem Mode See the Dumb Modem Mod...

Страница 31: ...d as BB You would enter cmd MORSE 5e 4242 CR 4 precedes hex codes If you try to define a previously defined code you will get the message TX CHARACTER ALREADY DEFINED In order to delete an entry use t...

Страница 32: ...ro priate Isr Information frame connected s send sequence number r received sequence number See also ax25l2v2 mcom monitor MRPt ON OFF default ON KPC 1 KPC 2 KPC 2400 Packet default ON ON KAM KPC 4 Pa...

Страница 33: ...units Packet This command tells the TNC what its callsign is When the TNC is first turned on out of the box or after a hard reset it ask you for your callsign there is NO DEFAULT The callsign you ente...

Страница 34: ...or MYGATE See also ppbs MYPTcall xxxxxxxx V 6 0 default mycall KAM PACTOR Establishes callsign used for PACTOR link Up to 8 characters numbers may be entered MYRemote xxxxx V 5 0 default blank MYSel4...

Страница 35: ...fec mysel4 myselcall MYSelcall V 5 0 default MYCALL xxxxxxx MYCALL KAM NAVClr V 3 0 immediate KAM NAVTEX AMTEX This command will clear the list of messages which have been received in the NAVTEX AMTE...

Страница 36: ...ansmitting station uses a unique identifier allowing you to select only those stations of in terest in your area If you specify ALL the KAM will copy all NAVTEX stations Specifying NONE will disable c...

Страница 37: ...KA NODE When OFF the KA NODE will only recognize connect request directed to the MYNODE call When ON connect requests to any SSID of the MYNODE call will be recognized as connects to the KA NODE if th...

Страница 38: ...KA NODE This command is used to set the number of allowable circuits through the KA NODE For example if you wish to allow up to 6 simultaneous circuits through the node set NUMNODES 6 The num ber all...

Страница 39: ...ce the KAM in PACTOR Standby allowing you to re spond to an incoming link request or allowing you to transmit a CQ or other broadcast By using the optional callsign parameter this command will initiat...

Страница 40: ...such as MONITOR The entire packet determined by the beginning and ending flags must be received before an attempt is made to decode If both flags are not received the data will not be decoded MHEARD a...

Страница 41: ...the channel is clear and available no carrier is detected it starts a timer SLOTTIME When the timer expires 100 ms in our case the TNC generates a random number between 0 and 255 If the generated numb...

Страница 42: ...after the power is turned off See also intface POrt HF VHF KAM 1 2 KPC 4 default VHF KAM Packet default 1 KPC 4 This command determines the radio port to which the I O will be addressed at power on Th...

Страница 43: ...racters V 2 84 default blank All Units PBBS This entry specifies the customized text sent with the initial PBBS personal mailbox sign on mes sage when the PBBS is connected to by a remote station Ente...

Страница 44: ...ending station will then repeat the frame and the KAM will check again to see if the frame is completely correct If not the KAM attempts to assemble a good frame by combining the frames received PTTri...

Страница 45: ...n the next line If you have deleted and retyped any character only the final form of the packet will be shown You are now ready to continue typing where you left off Incoming packets will continue to...

Страница 46: ...PERSIST and SLOTTIME and any other random delays in effect This command is useful in avoid ing collisions during such activity as file transfers using full length packets This timer is suspended when...

Страница 47: ...in a remote device busy state con tinues to receive RNR frames for RNRTIME the TNC will disconnect If a KA NODE connection stays in a remote device busy for RNRTIME the KA NODE will disconnect the in...

Страница 48: ...ameter See also mark space SLottime n n 0 255 V 2 7 default 10 KPC 1 KPC 2 KPC 2400 Packet default 5 10 KAM Packet default 10 10 KPC 4 Packet n specifies the amount of time in 10 millisecond increment...

Страница 49: ...stream I O CONNECTED TO W0XI B stream CONNECTED TO N0APJ C stream DISCONNECTED I stream CONNECTED TO NQAL VIA LAW J stream CONNECTED TO KE0H Ain DISCONNECTED Aout DISCONNECTED Bin DISCONNECTED Bout D...

Страница 50: ...ng in the Transparent Mode and you wish to change streams you must first return to the Command Mode See also maxusers pass status SUPCalls callsign or NONE default NONE All Units Packet A list up to 1...

Страница 51: ...a bit time The t val ue is the threshold value when a counter total reaches this value the carrier detect will be set true Once carrier detect is active the counter must drop to 0 before carrier detec...

Страница 52: ...ally set the number of attempts which have been made to re send a packet which failed to reach its destination For instance if RETRY is set to 10 TRIES will show how many attempts have already been ma...

Страница 53: ...ters by setting TXFLOW ON XFLOW ON and TRFLOW OFF You will not however be able to receive the START and STOP characters since your terminal program should interpret them as flow control See also trans...

Страница 54: ...amsw USOs ON OFF default ON KAM RTTY When ON an unshift to letters case is effected when a space is received in BAUDOT RTTY If LCRTTY is ON a space will cause an unshift to lower case Version V 5 0 im...

Страница 55: ...CII AMTOR When ON characters are echoed when they are sent to the transceiver for output When OFF echo is immediate XMITOk ON OFF default ON KPC 1 KPC 2 KPC 2400 All Modes default ON ON KAM All Modes...

Страница 56: ...Or change the COMMAND pa rameter to what you would like to use Ctrl C All Units All Modes Default for the COMMAND character If the COMMAND character is changed substitute the new character in place of...

Страница 57: ...t The directive also disables autotracking of received CW speed See Ctrl C U to unlock receive speed and enable autotrack Ctrl C R KAM CW RTTY ASCII AMTOR PACTOR Return to receive immediately even if...

Страница 58: ...ut have not yet received the link message it will abort the link attempt and return to Packet Ctrl L KAM RTTY AMTOR Send RTTY or AMTOR letter shift character Ctrl N KAM RTTY AMTOR Send RTTY or AMTOR f...

Страница 59: ...he KA NODE would cause the KA NODE to stay connected to the originating station IN side of the KA NODE Help v2 84 All Units KA NODE PBBS HELP is a command that can be sent to a KA NODE or PBBS When a...

Страница 60: ...only by Kantronics TNCs at or above level 2 84 See also mheard in Commands section List v2 7 All Units PBBS This command lists all mail in the mailbox addressed to your callsign or to ALL LM v2 85 All...

Страница 61: ...list of nodes heard including KA NODEs TheNet and NET ROM nodes If you are connected to a second KA NODE trough an inter mediate KA NODE you will receive the nodes heard of the second KA NODE If the S...

Страница 62: ...sage described under Link state is later in this section Can t RECONNECT Already connected on stream x The station you are trying to RECONNECT is on a different stream Use the STATUS command to see wh...

Страница 63: ...OVERFLOW The EEPROM cannot store all of the data This is normally caused by large amounts of text stored in the text type parameters BTEXT CTEXT NTEXT PTEXT WTEXT EXTERNAL MODEM CAN ONLY BE USED IN V...

Страница 64: ...turned on and after any soft reset including changing the NUMNODES PBBS and MAXUSERS values or using the RESET command KANTRONICS DUAL PORT PACKET CONTROLLER VERSION x xx C COPYRIGHT 19xx BY KANTRONI...

Страница 65: ...FRMR in progress Your TNC has detected an error in the protocol This is normally caused by two TNCs using the same callsign resulting in both of them trying to respond to the same message REJ frame se...

Страница 66: ...g and has been truncated NUMNODES sets how big the PBBS message area is NO KNOWN NODES An NDHEARD list has been requested and the KA NODE does not know of any nodes Not while connected Some parameters...

Страница 67: ...XUSERS You have attempted to set USERS to a number greater than MAXUSERS The actual number of users allowed is limited by MAXUSERS Value out of range If the syntax of the command is legal but the valu...

Страница 68: ...112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 60 61 62 63 64 65 66 67 68 69 6A 6B 6C 6D 6E 6F 70 71 72 73 74 75 76 77 78 79 7A 7B 7C 7D 7E 7F a b c d e f g h i j k l m n o p q r s t...

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