Chapter 3
External Connectors
SCSI Port, Ultra 3, 68-Pin
23
SCSI Port, Ultra 3, 68-Pin
A single, Ultra 3, 68 pin SCSI connector is located at the rear panel of the server. The external connector
supports SCSI channel “B.”
Figure 3-4
SCSI Port, Ultra 3, 68-Pin
4
Data Term Ready
5
Ground
6
Data Set Ready
7
Request to Send
8
Clear to Send
9
Ring Indicator
Table 3-3
SCSI Port Pinouts
Pin Number
Signal Description
Pin Number
Signal Description
1
S1 (+DB 12)
35
S35 (-DB 12)
2
S2 (+DB 13)
36
S36 (-DB 13)
3
S3 (+DB 14)
37
S37 (-DB 14)
4
S4 (+DB 15)
38
S38 (-DB 15)
5
S5 (+DB P1)
39
S39 (-DB P1)
6
S6 (+DB 0)
40
S40 (-DB 0)
7
S7 (+DB 1)
41
S41 (-DB 1)
8
S8 (+DB 2)
42
S42 (-DB 2)
9
S9 (DB 3)
43
S43 (-DB 3)
Table 3-2
Serial Port Pinouts (Continued)
Pin Number
Signal Description
35
1
34
68
