Cisco Catalyst 9800-80 - Page 96

DescriptionDirectionSignalPin
Request to Send (tied
directly to CTS)
OutputRTS1
Data Terminal Ready
(always On)
OutputDTR2
Transmit DataOutputTXD3
——GND4
——GND5
Receive DataInputRXD6
UnusedInputDSR7
Clear to Send (tied to
RTS)
InputCTS8
Cisco Catalyst 9800-80 Wireless Controller Hardware Installation Guide
86
Port Signals and Pinouts
Port Signals and Pinouts