First Virtual Communications 3000 user manual SCA attachment, Power Option Board, Controller

Voyager 3000 User Guide

SCA attachment

To connect an SCA device to a device carrier simply insert the SCA device and connect it via the 4 screw holes provided on the underside of the device carrier. There are also device carriers for other devices. Table 2-3 shows the carrier part numbers.

Table 2-3 Device carrier Device Part Numbers

Description	Part Number
Device carrier Standard 3.5” non SCA wide drive	VOY-W-AA
Device carrier Standard 3.5” non SCA narrow drive	VOY-N-AA
Device carrier Standard 3.5” SCA drive	VOY-SCA-AA
Device carrier for Barracuda 4 drive	VOY-SCB-AA

Power Option Board

The Power Option Board provides RS-232 communication between the controller and a terminal. It also has a four way DIP switch The relevant switch settings are shown in Table 2-4.

Table 2-4 Power Option Board Switch Definitions

SW1-4	SW1-2 SW1-3	SW1-1
Sync Link	Termination Power enable	Delay Enable
(default is off)	(default is on)	(default is on)

SW1-4 is used to configure the spindle synchronisation line across both SCSI buses. The default setting is off. SW1-2 and SW1-3 are used to provide Termination Power and will normally be set to on. SW1-1 is used to delay the spin up cycle and is normally set to on. The power sequence delay will cause the second group of drives (the bottom 3 drives in each shelf) to spin up after the first group of drives in the case of a single power supply. In the case of dual power supply configurations no delay will take place regardless of this setting.

Controller

To remove the controller shut down the system and remove the device immediately under the controller. This will grant access to the controller removal level attached to the underside of the controller. Grasp the handle and depress the release button on the right hand side of the carrier and pull with a steady slow action towards you. This will allow the controller to be withdrawn in a controlled manner.

The controller may be removed from the carrier by turning the carrier upside down and removing the eight countersunk screws. This will withdraw the controller complete with the backplane interface board.

8Note that the EMU in conjunction with SAFTE or a RAID controller must be installed to convey this fault information

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