Dell EqualLogic PS-M4110 - Control Module Replacement Procedures; Replacing the Secondary Control Module; Replacing the Active Control Module

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Dell EqualLogic PS-M4110 Installation Guide
Using the EqualLogic Setup Utility to Configure the Array
Serial Cable Pinout Information
Figure 20 shows the pin locations on the DB9 connectors on the serial cable shipped with the array. Table 7 lists
the pinout information for the cable, which is a standard null-modem cable.
Figure 20: Serial Cable DB9 Connector - Pin Locations
Table 7: DB9 to DB9 Null-Modem Cable Pinout Information
DB9-1
DB9-2
Function
Pin
Pin
Function
Receive Data
2
3
Transmit Data
Transmit Data
3
2
Receive Data
Data Terminal Ready
4
6+1
Data Set Ready + Carrier Detect
System Ground
5
5
System Ground
Data Set Ready + Carrier Detect
6+1
4
Data Terminal Ready
Request to Send
7
8
Clear to Send
Clear to Send
8
7
Request to Send