IBM System/7 Functional Characteristics - All about the IBM 1130 ...

Area Station Local I/O Guidance Character0 1 2 3 7Local I/OIn processAS operator guidance codedevice select0 = In-process lightoff — first dataentry.1 = In-process lighton — not firstdata entry.In process light isinhibited if guidancecode is selecttransaction.00 = AS badge reader01 = AS card reader10 = AS keyboard11 = OEM digital device1035 Badge Reader andpulse counters do notuse device select. ASbadge reader select isinhibited if guidancecode is selecttransaction.10 01 00111 31 30 29 28110 27 26 25 24101 23 22 21 2d AS100 19 18 17 16 guidance011 15 14 13 12lights010 11 10 9 8001 7 6 5 4000 3 1 STST=Select transactionThe guidance character is the second character transmitted in any message from theAS local I/O devices (except 1035 Badge Reader and pulse counters). In this case, thethe guidance character reflects the "old guidance"--that is, the previous guidancecharacter sent with a read end command to a local I/O device. A guidance charactersent with a read end command to a local I/O device is considered to be "newguidance." It becomes "old guidance" when a new message is initiated.Area Station Local I/O Transaction Code Byte0 1 2 3 4 7Monitor NextModeguidance 0Transaction switch codekey switchI I0 = CE mode 0 = Monitor key!1 = Normal 1 = Normal10 = Next guidance1 = Normal0000 = No transaction 0111 = Switch 7This transaction code is the first data character transmitted in any0001 = Switch 11000 = Switch 8message from the AS local I/O devices.0010 = Switch 21001 = Switch 9These devices include: 0011 = Switch 3 1010 = 1035 Badge ReadersAS badge reader 0100 = Switch 4 1111 = CE transactionAS card reader 0101 = Switch 5AS keyboard 0110 = Switch 61035 Badge ReadersAS transaction and next guidance switchesOEM digital device13-36 GA34-0003