Chapter 1 Introducing the TNB
1.2
Names and Functions of the Parts
1.2.1 Names of the parts
TNB21
Optical Fiber Cable
Single Module
4
6F8C1637
State Display
・RUN
・ERR
・SCAN
・L-A
Station Address Setting
・STN H
・STN L
Action Mode Setting
・MODE
Status Display LED (A)
・ACT-A
・LNK-A
Status Display LED
(B)
・ACT-B
・LNK-B
TC-net 100
Module Connector (A)
TC-net 100
Module Connector (B)
For TNB21, only the TN-A connector is mounted. TN-B connector is not mounted.
Figure 1-2 Names of the parts of TNB Module (TNB21/TNB22)
TNB22
Optical Fiber Cable
State Display
Dual Redundant Module
・RUN
・ERR
・SCAN
・L-A
・L-B