$NIT mapping

Table 1. Structure NIT
`Offset Dec`	`Offset Hex`	`Type`	`Len`	`Name(Dim)`	`Description`
`0`	`(0)`	`STRUCTURE`	`0`	`NIT`
`0`	`(0)`	`X'5'`	`0`	`NITVERS`	`"5" Current NIT version`
`0`	`(0)`	`CHARACTER`	`8`	`NITNODE`	`NODE IDENTIFICATION`
`8`	`(8)`	`SIGNED`	`2`	`NITNUM`	`INTERNAL NODE NUMBER (BINARY)`
`10`	`(A)`	`BITSTRING`	`1`	`NITPRINC`	`JOB RECEIVER PRIORITY INCREMENT`
`11`	`(B)`	`BITSTRING`	`1`	`NITPRLIM`	`JOB RECEIVER PRIORITY LIMIT`
`12`	`(C)`	`SIGNED`	`2`	`NITLOGN`	`LOGON DCT NUMBER`
`14`	`(E)`	`BITSTRING`	`1`	`NITFLAG`	`FLAGS`
		`1... ....`		`NITFLAGE`	`"B'10000000'" SECURE signon required`
		`.1.. ....`		`NITFLAGA`	`"B'01000000'" AUTO DIAL BSC LINE`
		`..1. ....`		`NITFLAGX`	`"B'00100000'" EXCLUSIVE CONNECTION`
		`.... 1...`		`NITFLAGR`	`"B'00001000'" NODE RESTRICTED FROM LOCAL COMMANDS`
		`.... .1..`		`NITFLAGJ`	`"B'00000100'" NODE RESTRICTED FROM JOB COMMANDS`
		`.... ..1.`		`NITFLAGD`	`"B'00000010'" NODE RESTRICTED FROM DEVICE COMMANDS`
		`.... ...1`		`NITFLAGS`	`"B'00000001'" NODE RESTRICTED FROM SYSTEM COMMANDS`
`15`	`(F)`	`BITSTRING`	`1`	`NITFLG2`	`Flag byte`
		`1... ....`		`NIT2NOPM`	`"B'10000000'" Nonpath manager indicator`
		`.1.. ....`		`NIT2PRIV`	`"B'01000000'" Private node indicator`
		`..1. ....`		`NIT2TRAC`	`"B'00100000'" $TRACE this node`
		`...1 ....`		`NIT2OWN`	`"B'00010000'" Local node indicator`
		`.... 1...`		`NIT2ADJ`	`"B'00001000'" Adjacent node indicator`
		`.... .1..`		`NIT2IRST`	`"B'00000100'" Ignore resistance from node if non-PM signon`
		`.... ..1.`		`NIT2ENDN`	`"B'00000010'" End node only indicator`
		`.... ...1`		`NIT2DIR`	`"B'00000001'" Only allow direct connection to node`
`16`	`(10)`	`BITSTRING`	`1`	`NITFLG3`	`Flag byte 3`
		`1... ....`		`NIT3HRDT`	`"B'10000000'" Node has STATUS=NODE RDT`
		`.1.. ....`		`NIT3ANJE`	`"B'01000000'" Automatically start NJE`
		`..1. ....`		`NIT3NVRP`	`"B'00100000'" Dont verify path for jobs`
`17`	`(11)`	`BITSTRING`	`1`	`NITSF`	`SYSTEM CONDITION FLAGS`
		`1... ....`		`NITSFPJT`	`"B'10000000'" JOB TRANSMITTERS ARE DRAINED`
		`.1.. ....`		`NITSFPJR`	`"B'01000000'" JOB RECEIVERS ARE DRAINED`
		`..1. ....`		`NITSFPST`	`"B'00100000'" SYSOUT TRANSMITTERS ARE DRAINED`
		`...1 ....`		`NITSFPSR`	`"B'00010000'" SYSOUT RECEIVERS ARE DRAINED`
		`.... 1...`		`NITSFHJR`	`"B'00001000'" JOB RECEIVERS ARE TO HOLD JOBS`
		`.... .1..`		`NITSFHSR`	`"B'00000100'" SYSOUT RECEIVERS ARE TO HOLD JOBS`
		`.... ..1.`		`NITSFPEN`	`"B'00000010'" Use Password encryption`
		`.... ...1`		`NITSFREA`	`"B'00000001'" Node is currently reachable`
`18`	`(12)`	`SIGNED`	`2`	`NITANINT`	`Restart interval (minutes)`
`20`	`(14)`	`SIGNED`	`4`	`NITANTIM`	`Disconnect time (STCK)`
`24`	`(18)`	`CHARACTER`	`8`	`NITPASS`	`Password expected from node`
`32`	`(20)`	`CHARACTER`	`8`	`NITSPASS`	`Password sent to node`
`40`	`(28)`	`BITSTRING`	`1`	`NITCMPCT`	`COMPACTION TABLE ID`
`41`	`(29)`	`BITSTRING`	`1`		`Reserved`
`42`	`(2A)`	`SIGNED`	`2`	`NITREST`	`DEFAULT APPL RESISTANCE`
`44`	`(2C)`	`SIGNED`	`4`	`(0)`
`44`	`(2C)`	`ADDRESS`	`4`	`NITNSACT`	`Ptr to related NSACT entry`
`48`	`(30)`	`ADDRESS`	`4`	`NITNXTSB`	`Ptr to next NIT in subnet`
`52`	`(34)`	`CHARACTER`	`8`	`NITSUBST`	`Subnet name`
`60`	`(3C)`	`CHARACTER`	`8`	`NITLMODE`	`Default VTAM logmode`
`68`	`(44)`	`SIGNED`	`2`	`NITLINE`	`Dedicated line number`
`70`	`(46)`	`SIGNED`	`2`	`NITNSRV`	`NJE Server number`
`70`	`(46)`	`X'48'`	`0`	`NITMINL`	`"*-NIT" Minimum (INIT) NIT elmt len`
`72`	`(48)`	`ADDRESS`	`4`	`NITNAT`	`Chain of related NATs`
`76`	`(4C)`	`CHARACTER`	`8`	`NITSECLB`	`SECLABEL of node (SDSF use)`
`The following 3 fields are used by full path.`
`84`	`(54)`	`ADDRESS`	`4`	`NITNITPN`	`Next NIT in full path chain`
`88`	`(58)`	`ADDRESS`	`4`	`NITNITPP`	`Prev NIT in full path chain`
`92`	`(5C)`	`ADDRESS`	`4`	`NITBNITP`	`Addr of best unexplored NPMNITP`
`96`	`(60)`	`ADDRESS`	`4`	`NITRESV3`	`Reserved for future use`
`96`	`(60)`	`X'64'`	`0`	`NITBLEN`	`"*-NIT" Length of the base NIT`
`100`	`(64)`	`BITSTRING`	`1`	`NITPATH1`	`First path information`

Table 2. Structure NITPSECT
`Offset Dec`	`Offset Hex`	`Type`	`Len`	`Name(Dim)`	`Description`
`0`	`(0)`	`STRUCTURE`	`0`	`NITPSECT`	`INDIVIDUAL PATH FIELDS`
`0`	`(0)`	`ADDRESS`	`4`	`NITPLINE`	`Associated DCT or NIT`
`0`	`(0)`	`X'0'`	`0`	`NITL`	`"NITPLINE-NITPSECT,4" Offset for line`
`4`	`(4)`	`ADDRESS`	`4`	`NITPREST`	`PATH RESISTANCE`
`4`	`(4)`	`X'4'`	`0`	`NITR`	`"NITPREST-NITPSECT,4" Offset for resistance`
`4`	`(4)`	`BITSTRING`	`0`	`NITPMT`	`"X'7FFFFFFF'" Indicate empty path`
`8`	`(8)`	`ADDRESS`	`4`	`NITPPNOD`	`Addr of prev NIT in path`
`12`	`(C)`	`BITSTRING`	`1`	`NITPFLAG`	`Flag byte`
		`1... ....`		`NITPFSTA`	`"B'10000000'" Path is via static connect`
		`.1.. ....`		`NITPFNIT`	`"B'01000000'" NITPLINE points to a NIT`
		`..1. ....`		`NITPFSUB`	`"B'00100000'" Path is through a subnet`
`13`	`(D)`	`BITSTRING`	`1`	`NITPMEMB`	`Member number if NITPFSTA is set`
`13`	`(D)`	`X'D'`	`0`	`NITM`	`"NITPMEMB-NITPSECT,1" Offset for member`
`14`	`(E)`	`BITSTRING`	`1`	`NITPMEMP`	`Member with primary line`
`14`	`(E)`	`X'E'`	`0`	`NITMP`	`"NITPMEMP-NITPSECT,1" Offset for primary member`
`15`	`(F)`	`BITSTRING`	`1`		`Reserved for future use`
`Line and node IDs (indexes) shadowed from DCT or NIT pointed to by NITPLINE.`
`16`	`(10)`	`SIGNED`	`2`	`NITPLNID`	`DCT or NIT id`
`18`	`(12)`	`SIGNED`	`2`	`NITPNDID`	`Intermediate node id (MDCTNODE from DCT)`
`20`	`(14)`	`SIGNED`	`4`	`(0)`	`Ensure fullword allignment`
`20`	`(14)`	`X'14'`	`0`	`NITPL`	`"*-NITPSECT"`
`20`	`(14)`	`X'0'`	`0`	`NITP`	`"NITPSECT,NITPL" Path element`
`20`	`(14)`	`X'14'`	`0`	`NITPNEXT`	`"*"`

Table 3. Structure NITC
`Offset Dec`	`Offset Hex`	`Type`	`Len`	`Name(Dim)`	`Description`
`0`	`(0)`	`STRUCTURE`	`0`	`NITC`	`Checkpointed NIT`
`0`	`(0)`	`X'1'`	`0`	`NITCVRSN`	`"1" Current NITC version`
`0`	`(0)`	`CHARACTER`	`8`	`NITCNAME`	`Node name`
`8`	`(8)`	`CHARACTER`	`8`	`NITCSUB`	`SUBNET name`
`16`	`(10)`	`BITSTRING`	`4`	`NITCACAF`	`Mask of systems that have a path to this node`
`20`	`(14)`	`BITSTRING`	`1`	`NITCFLG1`	`Flags`
		`1... ....`		`NITCF1NP`	`"B'10000000'" PATHMGR=NO`
		`.1.. ....`		`NITCF1EN`	`"B'01000000'" ENDNODE=YES`
		`..1. ....`		`NITCF1PV`	`"B'00100000'" PRIVATE=YES`
		`...1 ....`		`NITCF1DI`	`"B'00010000'" DIRECT=YES`
		`.... 1...`		`NITCF1VP`	`"B'00001000'" VFYPATH=NO`
`21`	`(15)`	`BITSTRING`	`3`		`Reserved`
`24`	`(18)`	`ADDRESS`	`4`	`(2)`	`Reserved`
`32`	`(20)`	`DBL WORD`	`8`	`(0)`	`Doubleword align`
`32`	`(20)`	`X'20'`	`0`	`NITCSIZ`	`"*-NITC" Length of a NITC`

Table 4. Structure NITC0
`Offset Dec`	`Offset Hex`	`Type`	`Len`	`Name(Dim)`	`Description`
`0`	`(0)`	`STRUCTURE`	`0`	`NITC0`	`Checkpointed NIT 0`
`0`	`(0)`	`SIGNED`	`4`	`NITC0SEQ`	`Changes sequence`

Table 5. Cross Reference for $NIT
`Name`	`Offset`	`Hex Tag`
`NIT`	`0`
`NITANINT`	`12`
`NITANTIM`	`14`
`NITBLEN`	`60`	`64`
`NITBNITP`	`5C`
`NITC`	`0`
`NITCACAF`	`10`
`NITCFLG1`	`14`
`NITCF1DI`	`14`	`10`
`NITCF1EN`	`14`	`40`
`NITCF1NP`	`14`	`80`
`NITCF1PV`	`14`	`20`
`NITCF1VP`	`14`	`8`
`NITCMPCT`	`28`	`0`
`NITCNAME`	`0`
`NITCSIZ`	`20`	`20`
`NITCSUB`	`8`
`NITCVRSN`	`0`	`1`
`NITC0`	`0`
`NITC0SEQ`	`0`
`NITFLAG`	`E`
`NITFLAGA`	`E`	`40`
`NITFLAGD`	`E`	`2`
`NITFLAGE`	`E`	`80`
`NITFLAGJ`	`E`	`4`
`NITFLAGR`	`E`	`8`
`NITFLAGS`	`E`	`1`
`NITFLAGX`	`E`	`20`
`NITFLG2`	`F`
`NITFLG3`	`10`
`NITL`	`0`	`0`
`NITLINE`	`44`
`NITLMODE`	`3C`
`NITLOGN`	`C`
`NITM`	`D`	`D`
`NITMINL`	`46`	`48`
`NITMP`	`E`	`E`
`NITNAT`	`48`
`NITNITPN`	`54`
`NITNITPP`	`58`
`NITNODE`	`0`	`40404040`
`NITNSACT`	`2C`
`NITNSRV`	`46`
`NITNUM`	`8`	`0`
`NITNXTSB`	`30`
`NITP`	`14`	`0`
`NITPASS`	`18`	`40404040`
`NITPATH1`	`64`
`NITPFLAG`	`C`	`0`
`NITPFNIT`	`C`	`40`
`NITPFSTA`	`C`	`80`
`NITPFSUB`	`C`	`20`
`NITPL`	`14`	`14`
`NITPLINE`	`0`
`NITPLNID`	`10`
`NITPMEMB`	`D`
`NITPMEMP`	`E`
`NITPMT`	`4`	`FFFFFF`
`NITPNDID`	`12`
`NITPNEXT`	`14`	`14`
`NITPPNOD`	`8`
`NITPREST`	`4`
`NITPRINC`	`A`	`0`
`NITPRLIM`	`B`	`F`
`NITPSECT`	`0`
`NITR`	`4`	`4`
`NITREST`	`2A`
`NITRESV3`	`60`
`NITSECLB`	`4C`
`NITSF`	`11`
`NITSFHJR`	`11`	`8`
`NITSFHSR`	`11`	`4`
`NITSFPEN`	`11`	`2`
`NITSFPJR`	`11`	`40`
`NITSFPJT`	`11`	`80`
`NITSFPSR`	`11`	`10`
`NITSFPST`	`11`	`20`
`NITSFREA`	`11`	`1`
`NITSPASS`	`20`	`40404040`
`NITSUBST`	`34`
`NITVERS`	`0`	`5`
`NIT2ADJ`	`F`	`8`
`NIT2DIR`	`F`	`1`
`NIT2ENDN`	`F`	`2`
`NIT2IRST`	`F`	`4`
`NIT2NOPM`	`F`	`80`
`NIT2OWN`	`F`	`10`
`NIT2PRIV`	`F`	`40`
`NIT2TRAC`	`F`	`20`
`NIT3ANJE`	`10`	`40`
`NIT3HRDT`	`10`	`80`
`NIT3NVRP`	`10`	`20`