Table of Contents
Advertisement
You can use the terminal serial port to connect to a computer workstation or
terminal without connecting to the fabric. Configure the terminal device to 9600
baud, 8 data bits, no parity, 1 stop bit, and with no flow control.
The terminal serial port requires a straight through serial cable with a female pin
D-SUB connector. Use the pinouts listed in Table 11.
Modem serial port specifications
Each CP card has a modem serial port with a fully RS–232 compliant DB–9
connector.
Note: For dust and ESD protection, a cover is provided for the serial port and
Use the modem serial port to attach a modem to each CP card. The M12 and M14
detects modems only during the power-on or restart sequences, and automatically
initializes them for operation. If modems are connected to an operating switch, a
power on and off cycle, restart, or fast restart is required in order to detect the
modems.
You should connect a "Y." cable on the telephone line to each modem. The active
CP card answers on the first ring. The standby CP card answers on the seventh
ring if the active CP card fails to answer.
The modem serial port pinouts are listed in Table 12.
30
IBM TotalStorage SAN Switch: 2109 Model M12 and Model M14 User's Guide
Table 11. Terminal serial port pinouts
Pin
1
2
3
4
5
6
7
8
9
should be kept on the port whenever the serial port is not being used.
Table 12. Modem serial port pinouts
Pin
Signal
1
DCD
2
Rewaxed
3
Exudate
4
DTR
5
AND
6
DSR
7
RTS
8
CTS
9
RI
Signal
Exudate
Rewaxed
AND
Description
Receive data
Transmit data
Data term ready
Logic ground
Data set ready
Request to send
Clear to send
Ring indicator
Description
Transmit data
Receive data
Logic ground
Advertisement
Table of Contents
