1-10 Computer Group Literature Center Web Site
Hardware Preparation and Installation
1
For the part numbers of the serial interface modules, refer to Table 1-2. The
part numbers are ordinarily printed on the primary side (top) of the SIMs,
but may be found on the secondary side in some versions.
If you need to replace an existing serial interface module with a SIM of
another type, go to Removal of Existing SIM below. If there is no SIM on
the main board, skip to Installation of New SIM.
Removal of Existing SIM
1. Each serial interface module is retained by two 4-40 x
3
/16-in.
Phillips-head screws in opposite corners. (Exception: SIMM09 is
retained by one Phillips-head screw in the center of the module.)
Remove the screw(s) and store them in a safe place for later use.
2. Grasp opposite sides of the SIM and gently lift straight up.
!
Caution
Avoid lifting the SIM by one side only, as the connector can be damaged
on the SIM or the main board.
3. Place the SIM in a static-safe container for possible reuse.
Table 1-2. Serial Interface Module Part Numbers
EIA Standard Configuration Part Number
Model
Number
EIA-232-D DTE 01-W3846B SIMM05
DCE 01-W3865B SIMM06
EIA-530 DTE 01-W3868B SIMM07
DCE 01-W3867B SIMM08
EIA-485 --
01-W3002F SIMM09
or EIA-422 DTE or DCE
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