Toshiba Vm Series Instruction Manual page 20

Chapter 1 Introducing the TNB
Station address setting switch (STN-H, STN-L)
Switches to set the station address in hexadecimal. For setting method, refer
to "Chapter 3 Setting."
Operation mode setting switch (MODE)
Switches to set the operation mode. For setting method, refer to "Chapter 3
Setting."
TC-net 100 connectors (TN-A and TN-B)
A communication port for the TC-net 100. The optical fiber cable with the MT-
RJ optical connector is connected to it.
TNB21 only connects the TN - A connector with TC-net 100 single bus.
TNB22 connects both TN-A and TN-B connector with TC-net 100 redundant
bus.
6
6F8C1637