IBM totalstorage 2109 M12 Installation And Service Manual page 80

Figure 28. Locking the shelf into position
12. For the upper M12, install the bridge tool by completing the following steps:
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IBM TotalStorage SAN Switch: 2109 Model M12 Installation and Service Guide
Note: You might want to tilt the bridge tool towards the back of the
cabinet approximately 45° to make it easier to align the two-pin
and one-pin sections with the vertical support.
c. Align the two-pin section of the support on the back of the vertical rail with
the bottom and middle holes in EIA unit 3.
d. Align the one-pin section of the support on the front of the vertical rail with
the middle hole in EIA unit 1.
Note: You might want to tilt the bridge tool towards the back of the cabinet
approximately 45° to make it easier to align the two-pin and the
one-pin sections with the vertical support.
e. Lock the shelf into position. See Figure 28.
a. Remove the bridge tool from the box and adjust the two supports 45°.
b. Hold the bridge tool between the two vertical supports near EIA unit 20,
and move the two supports another 45°. Make sure that the following
conditions are met:
v The two-pin section of the support is on the back of the vertical support.
v The one-pin section is on the front of the vertical support.
Note: You might want to tilt the bridge tool towards the back of the
cabinet approximately 45° to make it easier to align the two-pin
and one-pin sections with the vertical support.
c. Align the two-pin section of the support on the front of the vertical rail with
the bottom hole and the middle hole in EIA unit 20.
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