78 097-55501-01 Issue 6 – June 2003
1
TimeHub 5500 System Guide
only one expansion shelf the rotary switch should already be set
properly. Refer to Figure 3-3.
Figure 3-3. TimeHub Expansion Shelf Rotary Switch
Procedure 3-1 describes how to set the expansion shelf rotary switch.
Table 3-2 shows the function associated with the rotary switch settings.
Procedure 3-1. Setting Expansion Shelf Rotary Switch
Step Action
1 Ensure that power is not being applied to the shelf. Power is received by the shelf via the
power terminals located on the back of the shelf.
2 If desired, remove the EC1 card to gain access to the rotary switch.
3 Insert the slot blade of a long-shafted screwdriver (or any other implement that provides a
similar function) into the slot in the rotary switch and rotate to the desired position. A small
arrow on the rotary switch identifies the selected setting.
Note: A later step will confirm that the rotary switch has been set properly.
End of Procedure
Table 3-2. Expansion Shelf Rotary Switch Settings and Functions
Rotary Switch Position Function Confirmation
1 – 4 (expansion shelf) The expansion shelf will use
the setting as its unique
address
TL1 responses originating at this
shelf will be prepended with Sx,
where x is the value of the rotary
switch
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