6F8C1048 7
3.1Switch Setting
3
3.1.2 Operation Mode Setting Switches (STC)
The operation mode setting switches are an 8-bit DIP type used to select its mode of 
operation. Use a small screwdriver for setting a mode. Each of these switches is 
described in Table 3-2 Operation Mode Setting.
Figure 3-2 Setting Operation Mode Setting Switches
0: OFF, 1: ON
Operation mode
• Normally, operation starts in host start mode.
• Never use maintenance mode.
Table 3-2  Operation Mode Setting
S1 S2 S3 Station start mode
0 0 0 Host start mode
0 0 1 Spare
0 1 0 EEPROM start mode
0 1 1 Spare
1 0 0 Download mode (for maintenance)
1 0 1 Spare
1 1 0 Spare
1 1 1 RAS information start mode (for maintenance)
AO Auto online ON: Automatic online without request from the host
SP Spare (Must be OFF)
CI Status change detection inhibit, ON: Inhibit
MI Message transmission inhibit, ON: Inhibit
SI Scan transmission inhibit, ON: Inhibit
Turning the switch lever of each bit DIP switch sets it 
to ON, and turning it to the right sets if to OFF.