Cabling the 3746-900 to the 3745-X1A
Direct Memory Access (DMA) Bus Cabling
Step
1. ____ At the top right front of the 3745, locate the LAB1 board in 01G-A1
(see Figure C-1 on page C-2 for location) and remove the upper cover.
Using a screwdriver, pry off the EMC gasket from the right side of the
board enclosure (see Figure 4-19 on page 4-20).
Step
2. ____ Use the ESD kit, or the ESD mat fitted inside the door and remove
cards and crossovers, if any, from the U and V positions on the board
(these cards may be dummy cards). Put the removed cards in their pro-
tective bags, or place them on the ESD mat. Remove the terminator card
in 01G-A1W02, if any and the cables in 01G-A1X02, X03, X04, and X05.
Remove the long retainers from the cables.
Note: Put the cards in the shipping group. They will be reused if the
3746-900 is removed.
Step
3. ____ Determine the type of the LAB1 board. The first LAB in the
machine at location 01G-A1 can be either a TSST or TSSB type.
A LAB type TSSB can be identified by the presence of a board address
card in 01G-A1-B2. This is a small single-position wide card. If a four-
wide card or no card is present, then the board is a TSST type.
If you have a TSSB board obtain the DICO cable 1 PN 43G3180, for a
TSST board obtain cable 2 PN 43G3181.
C a b l e
1
C a b l e
2
Figure 4-35. DICO Cables
4-36
3746-900: Installation Guide
Summary of Contents for 3746-900
Page 1: ...3746 Nways Multiprotocol Controller Model 900 IBM Installation Guide SY33 2114 03...
Page 2: ......
Page 3: ...3746 Nways Multiprotocol Controller Model 900 IBM Installation Guide SY33 2114 03...
Page 14: ...xii 3746 900 Installation Guide...
Page 17: ...Notices xv...
Page 20: ...7 Power ON indicator 8 Emergency power OFF xviii 3746 900 Installation Guide...
Page 24: ...xxii 3746 900 Installation Guide...
Page 26: ...xxiv 3746 900 Installation Guide...
Page 40: ...3746 900 preparing for installation 1 14 3746 900 Installation Guide...
Page 102: ...3746 900 Test Procedure 3 14 3746 900 Installation Guide...
Page 146: ...Cabling the 3746 900 to the 3745 X1A 4 44 3746 900 Installation Guide...
Page 168: ...3745 Test Procedures 7 6 3746 900 Installation Guide...
Page 198: ...3746 900 Ground Bracket Installation 9 6 3746 900 Installation Guide...
Page 204: ...3746 900 Attached to a 3745 17A Ground Bracket Installation 10 6 3746 900 Installation Guide...
Page 210: ...Machine Ready for Customer 11 6 3746 900 Installation Guide...
Page 218: ...Removal the 3746 900 Attached to a 3745 17A 13 4 3746 900 Installation Guide...
Page 220: ...A 2 3746 900 Installation Guide...
Page 250: ...E 14 3746 900 Installation Guide...
Page 268: ...X 18 3746 900 Installation Guide...
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Page 275: ......
Page 276: ...IBM Part Number 29H4858 Printed in Denmark by IBM Danmark A S 29H4858 SY33 2114 3...