IBM eserver pSeries 690 Installation Manual page 41

5. Connect the HMC serial cable to serial port HMC1 on the primary I/O book. For two
HMCs, connect the redundant HMC into serial port HMC2 on the primary I/O book.
The following illustration shows the location of the serial ports on the back of the
HMC and the HMC connectors located on the primary I/O book.
1 Primary Rack
2 Primary I/O Book
3 Power Plug to External Power Source
(wall plug)
The part numbers for the serial cables for the pSeries 690 to the HMC are as
follows:
Part Number and Description
Part Number 11P3955 6m cable
4 Primary HMC Connected to serial port
HMC1* in Primary I/O Book
5 Optional Second HMC Connected to
Serial Port HMC2* in Primary I/O Book
* May be labeled HSC1 and HSC2
Position
9 Position to 9 Position
Chapter 2. Installing the pSeries 690
25