LU 6.2 module-to-code cross-reference table

You can use the module number, module name, and description to associate code xx in message DFS1959E and the module number in trace records X'7Bxx' and X'7Cxx' with a module.

Table 1. LU 6.2 module-to-code cross-reference table
Module number (decimal)	Module number (hexadecimal)	Module	Description
01	01	DFSSLUM0	Synchronous output LU manager
02	02	DFSAPPC0	DFSAPPC message switch processor
03	03	DFSCMD00	LU 6.2 command interface
04	04	DFSALM00	Asynchronous output LU manager
05	05	DFSRLM00	Receive LU manager server
06	06	DFSRLM10	Receive LU manager receiver
08	08	DFSAPP10	DFSAPPC keyword parser
09	09	DFSATB00	APPC/MVS verb execution/trace
10	0A	DFS6LUS0	LU 6.2 services interface 1
11	0B	DFS6LUS1	LU 6.2 services interface 2
12	0C	DFS6LUS2	LU 6.2 services interface 3
16	10	DFSRAC60	RACF® interface module
21	15	DFS6RST0	LU 6.2 restart processor
22	16	DFS6CKP0	LU 6.2 checkpoint processor
24	18	DFSGIDC0	Read and build LU 6.2 descriptors
31	1F	DFS6ECT0	LU 6.2 z/OS® cross-system coupling facility message processor
32	20	DFS62FD0	LU 6.2 Find destination routine (QABs/TIBs)
33	21	DFSLUDI0	LU 6.2 User Destination exit
34	22	DFSLIEE0	LU 6.2 User Data Edit exit
35	23	DFSHCI00	XRF takeover processing
36	24	DFS6QFX0	LU 6.2 Nonrecoverable message cleanup
37	25	DFSHAV70	XRF termination/takeover
38	26	DFS62FD1	LU 6.2 Find destination routine (LUBs/DESCs)
40	28	DFSCMLC0	MSC SQ APPC/OTMA Message Router
41	29	DFSCMS00	MS Analyzer
50	32	DFSXLUM0	LUM TCB Initialization routine
51	33	DFSYIOE0	OTMA Input and Output user exit
52	34	DFSXXCF0	XCF TCB initialization
53	35	DFSXRM00	RLUM TCB initialization
54	36	DFSXALM0	ALUM TCB initialization
55	37	DFSXALC0	ALUM allocate TCB initialization
56	38	DFSFLUM0	LUM TCB ESTAE routine
60	3C	DFSICM20	LU 6.2 command processor
61	3D	DFSTMR00	TM ABEND retry eligibility module
62	3E	DFSTMAS0	TM ASSOCIATE TPI and create accessor environment element (ACEE)
63	3F	DFSTMCD0	CONNECT/DISCONNECT support
71	47	DFSAOSW0	APPC/OTMA SMQ AWE server
72	48	DFSRGFS0	z/OS Resource Recovery Services Server, AWE PROCESSOR
90	5A	DFSXAOS0	DFSXAOS0 APPC/OTMA SMQ Enablement Initialization