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CHAPTER 4: Components
Figure 4-2. Key Switch Unlocked.
4.1.2 P
ORTS
• COMM[unication] ports: On the rear of the rack, there are two
communication ports: COMM IN (DB25 male) and COMM OUT (DB25
female). For some system setups, use these ports to connect the rack to the
managing PC. However, for SNMP setups, use the 10BASE-T connector on the
control card to connect the rack to the managing PC.
• MON[itoring] ports: On the rear of the rack, there are two monitoring ports:
ANALOG (RJ-45 female) and DIGITAL (DB25 female). Use these ports to
connect monitoring buses together and to connect monitoring and testing
equipment to the buses.
• AUX[iliary] port: On the rear of the rack, there is one auxiliary port: AUX
(DB9 female). Use this port to set SNMP/Telnet configurations for the rack
when you can’t access the rack through the 10BASE-T connector (on the
control card).
• Power connectors: The rear of the rack contains two power connectors:
POWER 1 and POWER 2. Use these connectors to attach power sources to the
corresponding power supplies.