EXFO T200S, User Manual, Page: 53 / 146

Remotely Controlling the T200S
Tunable Laser Source
47
Communication Principle
Service Request Enable Register (SRE)
The following table shows the content of the Service Request Enable Register (SRE):
Status Byte Register (STB)
The following table shows the content of the Status Byte Register (STB):
Bit Weight Meaning
7 - N.U. 128 Not used
6 - N.U. 64 Not used
5 - ESB 32 Event Summary Bit Enable
4 - MAV 16 Message AVailable Enable
3 - N.U 8 Not used
2 - EAV 4 Error/event AVailable Enable
1 - N.U. 2 Not used
0 - N.U. 1 Not used
Bit Weight Meaning
7 - OSB 128 Not used
6 - RQS/MSS 64 ReQuest Service (read by serial polling)/
MaSter Summary bit (read by *STB?).
5 - ESB 32 Event Status Byte Enable
4 - MAV 16 Message AVailable Enable
3 - N.U 8 Not used
2 - EAV 4 Error/event AVailable Enable
1 - N.U. 2 Not used
0 - N.U. 1 Not used