User guide

RM312 User Guide 18 19" Rackmount Chassis
Connectors and Switches
No. Description No. Description
J1 HDD1 SCA2 Connector S3 HDD2 ID-Set Switch
J2 HDD2 SCA2 Connector S4 HDD3 ID-Set Switch
J3 HDD3 SCA2 Connector S5 HDD4 ID-Set Switch
J4 HDD4 SCA2 Connector S6 Function Set Switch
J5 SCSI in 68pin Connector FAN1 Fan Connector
J6 SCSI in 68pin Connector FAN2 Fan Connector
J7 DC Power Input for Big 4P FAN3 Fan Connector
J8 DC Power Input for Big 4P FAN4 Fan Connector
JP1 For LED Output Header FAN5 Fan Connector
S1 Function Set Switch BZ1 Buzzer
S2 HDD1 ID-Set Switch
Pin Assignments
S2, S3, S4, S5: SCSI ID Settings
SCSI ID Position1 Position2 Position3 Position4
0 Off Off Off Off
1 On Off Off Off
2 Off On Off Off
3 On On Off Off
4 Off Off On Off
5 On Off On Off
6 Off On On Off
7 On On On Off
8 Off Off Off On
9 On Off Off On
10 Off On Off On
11 On On Off On
12 Off Off On On
13 On Off On On
14 Off On On On
15 On On On On
Ø Avoid setting SCSI ID 7 for SCSI drive. It normally hosts the SCSI
host adapter.
Ø The default setting for SCSI drives are from ID0, ID1, ID2, and ID3.