Specifications

Chapter 2

External Connectors

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 2-4 SCSI Port, Ultra 3, 68-Pin

Table 2-2 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)

10 S10 (+DB 4) 44 S44 (–DB 4)

11 S11 (+DB 5) 45 S45 (–DB 5)

12 S12 (+DB 6) 46 S46 (–DB 6)

13 S13 (+DB 7) 47 S47 (–DB 7)

14 S14 (+DB P) 48 S48 (–DB P)

15 S15 49 S49

16 S16 (DIFFSENS) 50 S50

17 S17 (TERMPWR) 51 S51 (TERMPWR)

18 S18 (TERMPWR) 52 S52 (TERMPWR)

19 S19 (RESERVED) 53 S53 (RESERVED)