Line Base Configurations 37
Line Base Features (Summary) 19, 20 Line Bases, General 9
Line Bases, Start/ Stop 36
Line Control 23
Line-Control Signals 23
Line. Set Features (Summary) 19, 20 Line Sets, General 10 Line Sets (per Line Base and per 2703) 38
Line Sets, Start/Stop 36 Line-Speed Options, Start/Stop 36
Lost Data (6-Bit), Sense Byte 31
Low Address Boundary 13
LRC Check Character 18
L TRS (Letters Shift) 43, 44
Main Control Word 1 (MCW-1) 16
Main Control Word 2 (MCW-2) 18
Main Data Words 1 and 2 (MDW-1 and MDW-2) 19
Maximum Lines Available by Processor Model 13
Meter Light 65
Meter Switch 6S Metering 65
Metering with TPS Feature 65, 67
Mode 18
No @--Negative Response 24 Operation with the Multiplexer Channel 14 Operator's Control Panel 65, 66 OvelTUn (S-Bit), Sense 31 Pad 49 Parity 18,19 Partition Switches--CPU 1, CPU 2 65 PCl (Program-Controlled Interruption Flag) 15 Poll 25 Polling and Addressing 41, 42, 43 Polling Characters 23 Power-On Light and Switch 65 Prepare 27
Privately Owned Communications Facilities 69
Programming Considerations 15 PSW (Program Status Word) 11 Pwr Off if in Local Switch 6S Read 27
Read and Write Operations in Transparent Mode 59
Receive 18
Receive Operation (Read Command), Start/Stop 24
Receive Operations Using Data-Link Characters 49
Receive-Type Commands 27 28
Reserve 28 Restrictions, Channel Attachment 14 Sadzer, Sadone, Sadtwo, Sadthree 28 SBT --Six-Bit Transcode 51 Search 28 Sense 28 Sense Byte 18 Sense Byte Conditions 30 Sequence 18 Shift 18
72 Skip (Skip Flag) 15 SLI (Suppress Length Indication rIa>?;) 15 SOH and STX 48, 49 Special Features Summary 19 Speed Options (Summary) 20 Start I/O 14 Start of Address ®--SOA 24 Start! Stop Communications Capabilities 23 Start/Stop Special Features 19, 35 Station-Selectjnn Fp:1t11rp .'14 Status Byte 19 Status Byte, All Zeros (Normal) 29
Status Byte Conditions 28 Status Modifier 29 Switches 65 SYN 48, 49
Synchronous Base IA 53 Synchronous Base IB S3 Synchronous Clock Feature 54 Synchronous Line Set 53, 54
Synchronous Line-Speed Option .')4 Synchronous Operations 50 Synchronous Terminal Controls (STC) 51 Synchronous-Type Communications (Special Features) 20 System/360--I10 Operation 11
Telegraph Line Set 36
Telegraph Line Set Expander 36
Telegraph Terminal Control Base 35
Telegraph Terminal Control Type I (Detailed) 35, 42
Telegraph Terminal Control Type II (Detailed) 35, 44
Terminal Control Features (Summary) 19, 20 Terminal Control Operations 39
Terminal Controls, General 9
Terminal Controls, Start/Stop 35
Terminal IntelTUpt Feature, Type I 19, 35, 45
Terminal-to-Terminal Operation with Search 43
Test I/O 15
Thermal Light 65
Timeout 18
Timeout (7 -Bit), Sense Byte 32, 33, 34, 35 TPS--Automatic Switch to Neutral State 22 TPS--Manual Switch to Neutral State 22 TPS (Two-Processor Switch) 21
Transmission Code Checking S3 Transmission Code Transparency 51
Transmit and Receive Operations, General 7
Transmit Operation (Write Command), Start, Stop Transmit Operations Using Data-Link Characters
Transmit-Type Commands 2S Transparent Read Operation 59
Transparent Write Operation 59 Two-Processor Switch (TPS) Feature 21
Type I Terminal Interrupt Feature 19, 35, 45 Unit Check 29
24
48 USASCII--llnited State c of Amrric:, C;t;J.Tl{lard Codr fnc Infnrm;J.tinn Interchange 51 VRC 'CRC S3 VRC, LRC S3 Western Union Type 3002 Channel with Cl Conditioning 69 Western Union Type 3002 Channel with C2 Conditioning

World Parity Indicator 19
World Trade Coproration Commtmication-Interface Facilities S4
Wrap 2S
Write 2S
Yes 6:) --Positive Response 24 2703 Common Controls (Detailed) 16
2712 Attachment Features (Summary) 20 2712 Model 1 and Model 2 Adapter Features 38
2741 Break Feature (Detailed) 35
73