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Chapter 2 Names of Parts
and their Functions
The front panels of the Integrated Controller model 2000 Ethernet modules and their
explanations are shown in figure 2-1 and figure 2-2.
Figure 2-1 Modules for 10BASE5 (EN611, EN621, EB621)
EN611
module for 10BASE5
single bus
EN621/EB621
module for 10BASE5
dual bus
Status indicator LED
• RUN
• HLTH
• L-A
Status indicator LED
• RUN
• HLTH
• L-A
• L-B
Serial communication port (RS-232C)
• TOOL
Ethernet connector for (10BASE5) line A
• EN-A
Drop cable connector CN1 for line-B module
12 VDC power connector CN2
• 12 Vdc
• 0 V
Power LED
• PWR
Ethernet connector for (10BASE5) line B
• EN-B
Drop cable connector CN1 for line-B module
12 VDC power connector CN2
• 12 Vdc
• 0 V