Serial Command Protocol - evertz 8084 Instruction Manual

CHAPTER 4: SERIAL COMMAND PROTOCOL
4 SERIAL COMMAND PROTOCOL .............................................................................................. 4-1
4.1 COMMAND CROSS REFERENCE ............................................................................................. 4-1
4.2 COMMAND SYNTAX DESCRIPTION......................................................................................... 4-2
4.2.1 Special Characters........................................................................................................... 4-2
4.2.2 Parameters....................................................................................................................... 4-2
4.2.3 Flow Control Handshaking ............................................................................................... 4-5
4.2.4 Break Handling................................................................................................................. 4-5
4.2.5 Command Responses and Error Messages .................................................................... 4-5
4.2.6 Command Differences Between Operating Modes (Legacy Operation) .......................... 4-6
4.3 COMMANDS COMMON TO OPERATING MODES ................................................................... 4-6
4.3.1 Set Baud Rate.................................................................................................................. 4-6
4.3.2 Reset Encoder ................................................................................................................. 4-7
4.3.3 Set Output Line ................................................................................................................ 4-8
4.3.4 Monitoring the Line 21 Data on the Serial Port ................................................................ 4-8
4.3.5 Controlling the Caption Decoder ...................................................................................... 4-8
4.3.6 Report Firmware Version ................................................................................................. 4-9
4.3.7 Command Help ................................................................................................................ 4-9
4.3.8 Set Stream Mode ............................................................................................................. 4-9
4.3.9 Report Bypass Switch Mode .......................................................................................... 4-10
4.3.10 Report Battery Status..................................................................................................... 4-10
4.3.11 Set / Report Time of Day Clock...................................................................................... 4-10
4.3.12 Set / Report Calendar Date............................................................................................ 4-11
4.4 COMMANDS SUPPORTED IN STREAM OPERATING MODE ............................................... 4-12
4.4.1 Transparent State .......................................................................................................... 4-12
4.4.2 Null State........................................................................................................................ 4-13
4.4.3 Direct Control State........................................................................................................ 4-13
4.4.4 Real Time State ............................................................................................................. 4-14
4.4.5 Display System Status ................................................................................................... 4-15
4.5 TEXT ARTICLES (STREAM MODE ONLY).............................................................................. 4-16
4.5.1 Input Article .................................................................................................................... 4-16
4.5.2 Output Article ................................................................................................................. 4-17
4.5.3 Delete Article.................................................................................................................. 4-18
4.5.4 Queue Articles................................................................................................................ 4-18
4.5.5 Display Article Status ..................................................................................................... 4-19
4.5.6 Display Output Queue.................................................................................................... 4-19
4.6 EXTENDED DATA SERVICES (STREAM MODE ONLY) ........................................................ 4-19
4.6.1 Input XDS....................................................................................................................... 4-20
4.6.2 Blocking Upstream XDS Packets................................................................................... 4-21
4.6.3 Queue XDS Packets ...................................................................................................... 4-22
Models 8084/8084AD/8085 Closed Caption Encoder Manual
Revision 1.6.6