![background image](http://html1.mh-extra.com/html/ibm/7131-105/7131-105_user-manual_608740054.webp)
3.4.2.2 Connecting One 7131 Storage Tower to Two Systems
Use the following procedure to connect one 7131 Storage Tower to two host systems (see Figure 3-8).
Note: This configuration requires an SE/DIFF card and two terminators. A SCSI Y-cable is also required for each system.
Figure 3-8. One 7131 Storage Tower Connected to Two Systems
1. DANGER
+--------------------------------------------------------------------+
¦ To prevent a possible electrical shock during an electrical storm, ¦
¦ do not connect or disconnect cables or station protectors for ¦
¦ communications lines, display stations, printers, or telephones. ¦
¦ (RSFTD003) ¦
+--------------------------------------------------------------------+
2. DANGER
+--------------------------------------------------------------------+
¦ To prevent a possible electrical shock from touching two surfaces ¦
¦ with different electrical grounds, use one hand, when possible, to ¦
¦ connect or disconnect signal cables. (RSFTD004) ¦
+--------------------------------------------------------------------+
3. Connect two SCSI cables to the back of the 7131 Storage Tower (see Figure 3-9).
4. Secure the cable by tightening the screws on the cable connector.
7131-105 User's Guide
Connecting One 7131 Storage Tower to Two Systems
¦ Copyright IBM Corp. 1995, 1996
3.4.2.2 - 1