Specifications

3-22 Cisco 2500 Series Hardware Installation
Cable Pinouts
Figure 3-3 shows the DB-25 breakout cable with pinouts for the 68-pin SCSI port and the
DB-25 port. Table 3-17 lists the pinouts for the DB-25 end, and Table 3-18 lists the pinouts
for the 68-pin SCSI connector end.
Figure 3-3 Asynchronous Serial Interface Breakout Cable Assembly (68-Pin
SCSI-to-DB-25)
H4228
Pin 68
Pin 34
Pin 1
Pin 35
SCSI 68-pin connector
DB-25 connector
Connectors are not to scale
J2-13
J2-25
J2-14
J2-1
DB-25 connectors are located
at the end of all eight cables.