Installation guide

viii Contents
4–10 881 Circuit Breaker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–24
4–11 Magazine Tape Subsystem AC Power Switch . . . . . . . . . . . . . 4–25
4–12 SF72 Storage Enclosure AC Power Switch . . . . . . . . . . . . . . . 4–26
4–13 Drive DC Power Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–27
4–14 OCP Indicators and Controls . . . . . . . . . . . . . . . . . . . . . . . . . 4–28
4–15 Verifying the SF72 DSSI ID Switch Settings . . . . . . . . . . . . . 4–32
4–16 Seating the SF72 OCP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–33
4–17 Verifying the 881 Power Controller . . . . . . . . . . . . . . . . . . . . 4–35
4–18 SF72 Power Cords and Voltage Selection . . . . . . . . . . . . . . . . 4–37
4–19 Magazine Tape Subsystem Power Cords and Voltage
Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–38
4–20 Removing Terminators and Connecting DSSI Cables at the
System I/O Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–41
4–21 Placing a Label on a DSSI Cable . . . . . . . . . . . . . . . . . . . . . . 4–44
4–22 Placing a Label on the OCP Door. . . . . . . . . . . . . . . . . . . . . . 4–45
4–23 Placing a Label on the Magazine Tape Subsystem . . . . . . . . . 4–46
4–24 881 Circuit Breaker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–47
4–25 Magazine Tape Subsystem AC Power Switch . . . . . . . . . . . . . 4–48
4–26 SF72 Storage Enclosure AC Power Switch . . . . . . . . . . . . . . . 4–49
4–27 Drive DC Power Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–50
4–28 OCP Indicators and Controls . . . . . . . . . . . . . . . . . . . . . . . . . 4–51
5–1 SF72 Enclosure Locations (Front View) . . . . . . . . . . . . . . . . . 5–7
5–2 System Configuration Sheet (Single-Host) . . . . . . . . . . . . . . . 5–9
5–3 System Configuration Sheet (Dual-Host) . . . . . . . . . . . . . . . . 5–10
5–4 Removing a Filler Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–12
5–5 AC Power Cord Retainer . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–14
5–6 Installing the Slide Mount . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–16
5–7 Installing the Weldment Brackets . . . . . . . . . . . . . . . . . . . . . 5–18
5–8 Chassis Retainers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–19
5–9 Securing the SF72 to the Weldment Brackets . . . . . . . . . . . . 5–21
5–10 Changing an SF72 to Split-Bus Mode . . . . . . . . . . . . . . . . . . 5–23
5–11 Adjusting the OCP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–24
5–12 DSSI ID Switch Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–26
5–13 Installing the OCP on the SF72 Enclosure . . . . . . . . . . . . . . 5–28
5–14 Drive DC Power Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–29
5–15 AC Power Switch, Voltage Selections, and Power Cord . . . . . 5–31