Data General AViiON 5000 Series, Клиентская документация

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Connecting External Devices to VME Option Boards
4-4
014–001867
Connecting a Junction Box to a Model 7411–KA VAC/16
Controller
Each Model 7411–KA VAC/16 controller board in your computer extends its signals
to two 8-port junction boxes through a 5-ft cable with 68-pin connectors at either
end. Figure 4–2 shows the location of the J1 and J2 connectors on the VAC/16
board. Each connector supports an 8-port junction box.
NOTE: This chapter describes the Model 7411–KA VAC/16 assembly. Its
counterpart Model 7411–K VAC/16 assembly uses nonstandard hardware
(heavy gauge air dam without ejector handles, ribbon rather than hose
cable between controller and J-box, and 64- rather than 68-pin connectors).
To attach Model 7411–K junction boxes and controller boards, refer to
Appendix D for special instructions.
VAC/16 to J-box connector (J1)
(female)
AViiON computer — rear view
J2 connector
Figure 4–2 VAC/16 Controller Connectors
To connect a J-box to your controller, align the connector pins and D-shaped bevels
on the cable, controller, and junction box connectors before gently pushing the
connectors together as shown in Figures 4–3 and 4–4.
Plug each 68-pin cable connector into the proper J1 or J2 connector on the VAC/16
board, as shown in Figure 4–3.