IBM 3746-900, Руководство по установке

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3745-X1A Test Procedures
Cabling the IOC/DMA Bus Cables
┌────────────────┬──────────────────────┬───────────────┐
│
Designation │ From (in 3746-9ðð) │ To (in 3745) │
├────────────────┼──────────────────────┼───────────────┤
│
IOC Bus │ ð7N-A1-E1-J1 │ ð1G-A1ZB │
│ IOC Bus │ ð7N-A1-E1-J2 │ ð1G-A1ZA │
├────────────────┼──────────────────────┼───────────────┤
│
DMA Bus │ ð7N-A1-E1-J3 │ ð1G-A1YK │
│ DMA Bus │ ð7N-A1-E1-J4 │ ð1G-A1YJ │
└────────────────┴──────────────────────┴───────────────┘
Figure 6-5. IOC/DMA Bus Connections From the 3746-900 to the 3745 Model 17A
Step 1. ____ At the bottom right rear of the 3745, locate the basic board 01G-A1
(see Figure 6-6).
Step 2. ____ Remove cover
.1/
(see Figure 6-6).
M
L
A1
A1
A 2
A 2
L S S
A r e a
Figure 6-6. Basic Board Cover (Rear Model 17A)
Step 3. ____ Locate the connector positions 01G-A1 ZB, ZA, YK, and YJ (see
Figure 6-7 on page 6-8).
Step 4. ____ Loosen and remove the retainers which maintain the terminator
cards plugged in locations 01G-A1 ZA-ZB and 01G-A1 YJ-YK.
Step 5. ____ Remove these terminator cards.
Chapter 6. Connecting the 3746-900 to the 3745-17A
6-7