Port Signals and Pinouts
Pin
1
2
3
4
5
6
7
8
Cisco Catalyst CW9800H1 and CW9800H2 Wireless Controllers Hardware Installation Guide
90
Signal
RTS
DTR
TXD
GND
GND
RXD
DSR
CTS
Direction
Description
Output
Request to Send (tied
directly to CTS)
Output
Data Terminal Ready
(always On)
Output
Transmit Data
—
—
—
—
Input
Receive Data
Input
Unused
Input
Clear to Send (tied to
RTS)
Port Signals and Pinouts