Toshiba GR200 Series Instruction Manual page 727

SubUnit ID setting
When the MainUnit connected with a SubUnit, the user should set a subunit identifier for
each unit. When the MainUnit has two SubUnit#1 and #2, set "0" for SubUnit#1, set "1" for
SubUnit#2 (see Table 12.4-1). The identifier is set using Rotary switch on Optical transceiver
module (OPT2). For more information about OPT2, see Chapter
processing and communication modules
Figure 12.4-1 SW on OPT2 for setting SubUnit ID
SW positions
0
1
.
Table 12.4-1 SubUnit ID settings
Set '0' when the case is used for SubUnit#1
Set '1' when the case is used for SubUnit#2
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Technical description: Signal
Usage
Centralized GRB200
(Soft: 030, 031, 032, 033, 034)
6F2S1931 (0.20)