3Com 3C410012A - OfficeConnect Remote 531 Access Router Getting Started Manual page 52

A-8 A A: T I
PPENDIX ECHNICAL NFORMATION
9-pin Female D-type to 25-pin Male/Female D-type
9-pin female D-type to 25-pin male/female D-type cable
Use a
when connecting the manager port directly to a modem. Note the
following pinouts when buying or making up a suitable cable.