IBM 7133 Series, Service Manual

Page: 192 / 230

|
5
Observe the following two diagrams. They represent a bypass card that is lying flat
| with its electronic components upward and its SSA connectors
9
to the left.
| a. This diagram shows the jumpers set for Bypass mode.
J3 J4
| For Bypass mode, the jumper
1
that has links between neighboring pins
| along its length is plugged into connector J3. The jumper
11
that has links
| between neighboring pins across its width is plugged into connector J4.
| Note: The default setting of all new bypass cards is for Bypass mode.
| b. This diagram shows the jumpers set for Forced Inline mode.
J3 J4
| For Forced Inline mode, the jumper
1
that has links between neighboring pins
| along its length is plugged into connector J4. The jumper
11
that has links
| between neighboring pins across its width is plugged into connector J3.
|
6
If you are installing a new bypass card, go to step 7 on page 3-47.
| If you are changing the jumper settings of a card that has been operational, go to
| step 8 on page 3-47.
3-46
7133 Service Guide