BUILT BY: DMTREX, DMTCMX, DMTAXS, DMTNPT, FUNCTION: Issue an RSCS message rESCRIPTION: This request element is passed via to the REX task, to specify
the construction and distribution of an RSCS message (ty DMTMGX). o
4
C
14
Length
(n-1)
Function
Code: X'02' Receiver Routing
Code
, ___ .: ;:I Receiver userid
Issuing Module Code
18 Binary Message Number Unused 1C OPERATIONAL NOTES 8-byte Variable Sutstitution Values for Message Text Severity Code
Action
Code
The routing code and severity code from the message definition (in DMTMSG) are used when not supplied in the message request element. If the message is not defined in it is constructed using the specifications in the message request element, and the "variable
substitution values" become the message text, unmodified.
Routing codes: X'80' Local RSCS console X'40' Remote addressee X'20' Local user X'10' Local VM/370 operator No response text is returned.
Appendix C. RSCS Request Elements 303

BUILT BY: Assembly of DMTSYS at RSCS generation FUNCTION: Record allocation status of switch able line ports available te RSCS DESCRIPTION: The first double word of the table is reserved for control information.
Each following halfword contains the virtual device address of a line Fort which may be dialed, and which is available to RSCS. o Nu.ber of Line Port Entries
in Table
4
8 Virtual Line Address Virtual Line Address
C Virtual Line Address Virtual Line Address 10 Virtual Line Address Virtual Line Address OPERATIONAL NOTES The line pert entries are marked "in use" by setting the high-order feur bits of the
entries to 1's. 304 IBM VM/370 Data Areas and Control Block Logic