JDS Uniphase SB Series, User Manual

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Programming Guide – 34
To change the command set:
1. Press and hold the GPIB ADDR key while the SB switch powers up. The active interface
setting is displayed.
2. Press the
▲
key to scroll to the required command set, for example, SB, SC, or SX.
3. Press the GPIB ADDR key to save the setting.
SC Series Switch Command Set (SCXXX-0XXX Models)
The syntax and functions for the SC series switch commands are provided in Table 12.
Table 12: SC Switch Command Set
Syntax Function
AnE switch to channel n
FE verify channel
XE turn external driver on
YE turn external driver off
Response messages (Table 13) are formatted as qn, where q is the switch status (A = normal,
I = syntax error, C = calibration error), and n is the channel number.
Table 13: Response Messages for SC Switch Commands
Status Byte Register
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Message
0 0 0 0 0 0 0 BUSY
0 0 0 0 0 0 1 NORMAL
0 RQS 0 0 0 0 1 CAL ERROR
0 RQS 0 0 1 0 1 BAD DATA
0 RQS 0 0 1 1 1 UNIT FAILURE
SX Series Switch Command Set
The syntax and functions for the SX Series switch commands are provided in Table 14.