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CTI 2572 Installation and Operation Guide
14
2.4. Setting the 2572 Switches
Switches on the 2572 are used to select the following:
• AUI Power
• Serial Port Baud Rate
• Hardware Handshaking (RS-232 port)
• DataShare Enable
• Network Startup Option
• EEPROM Write Protect
• Serial Port Protocol
Figure 8 indicates the location of the
switches.
AUI Power Source Switch
The AUI port allows external transceivers to
be attached to the module. The AUI power
source switch is used to select whether
transceiver power is obtained from the PLC
backplane or an external power source. In
most cases, you can set the switch to the
I
NTERNAL position. If you are using a
transceiver that exceeds your backplane
power budget, use the External setting and
provide an external power supply. If you are
not using the AUI port, the position of this switch does not matter.
Switchblock 1
Switchblock 1 is used to set the communications parameters for serial port 1.
Figure 8. 2572 Switch Locations
Figure 9. Switchblock 1