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location
VAC/16, 4-3
VDA, 4-10
VLC LAN, 4-27
VLCi, 4-30
VSA, 4-25
VSC/3, 4-21
VSC/3i, 2-28, 4-22
VTC, 4-18
VTRC, 4-33
VAC/16, 4-3
VDA, 4-10
VDC/8P parallel printer, C-5
VLC LAN, 4-27
VLCi, 4-30
VSA, 4-25
VSC/3, 4-21
VSC/3i, 2-28, 4-22
VTC, 4-18, C-6
VTRC, 4-33, C-14
Contacting Data General, vii
Controller
boards supported, 1-3
cluster, 4-9
Cover plates
air circulation, 3-3
ESD, 1-13
Current and power calculations
form, 1-7
requirements, 1-5
Customer replaceable units (CRUs),
avoiding ESD damage to, 1-13
D
Daisy chain, 1-11
priority, definition, E-2
Data General, contacting, vii
Data transfer bus (DTB) priority
arbitration methods, E-1
Daughter board, VSA
changing orientation of, 2-35
positioning for reattachment (fig.),
2-36
positioned for differential operation
(fig.), 2-35
positioned for single–ended operation
(fig.), 2-35
DCE, C-5
Device
014–001867
cables, 4-25
connecting to the VSA board, 4-25
name, DG/UX system
VAC/16, 2-4
VDA/128, VDA/255, 2-9
VFC, 2-48
VLC, 2-36
VTC, 2-17
VTRC, 2-43
VSC/3, 2-21
parameters
asynchronous devices, 4-6, 4-11
parallel printer, 4-16
synchronous devices, 4-21, 4-23
worksheet, 4-12
device line, B-1
VAC/16, B-5
VDA, 4-12
DG/UX
configuring for revisions, 2-2
documentation, vi
rebuilding kernel, 3-14
Differential operation, VSA, 4-25
positioned daughter board for, 2-35
selecting, 2-33
Distributed asynchronous host
adapters, 1-3
Documentation
ordering, vii
related, iv
Downloadable cluster controllers, 4-9
Drop cables, 4-25
DTB priority, general rules for setting,
E-6
Dual–attachment stations, VFC board,
4-36
E
Ejectors, board, 3-8
Electrostatic discharge (ESD) damage,
avoiding, 1-13
EMI/air dam upgrade kit, installing,
3-4
Empty slots, installing backplane
jumpers for, 3-11
Ethernet LAN
connecting to VLC, 4-27
connecting to VLCi, 4-30
Eurocard, 6U board size, 1-1, 3-1
External device connector pin
assignments, C-1
Index-3
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