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5 — Installing and removing modules
5.4
Installing and removing data interface modules
Figure 5-1 identifies the location of the data interface module positions. Each
position has two male connectors. Any data module can be installed in either
position.
Procedure 5-6 To install a data interface module
1
2
3
5-10
Electronic circuitry is easily damaged by electrostatic
Warning —
discharge. Wear a properly attached antistatic wrist strap before
handling any electronic component. Handle modules by their edges.
Interface modules may be installed or removed while the
Note —
system is powered up.
Hold the module by its tabs, align its connectors with the connectors on the module
position, and gently push the module part way onto the male connectors (see
Figure 5-11).
Check that each pin is inserted in the proper position. If the pins are not in the proper
position, they might bend or break when you push the module in all the way.
Figure 5-11 Installing a data interface module
Sl ot 2
Sl ot 1
R x- 1
Tx -1
Finish the installation by gently pushing down on the corners of the module.
Do not force a module into position; you might bend the pins on the male connector.
If the module does not fit properly, remove it, examine the pins for damage and try
again if there is no damage.
Affix the part number labels to the configuration record.
P1
P2
R x- 2
Tx -2
I
ED G
Si g/ G nd
Li ne -1
O
Li ne -2
M od em
Te rm in
al
Al ar m
Lo op
U
1
2
D is pl ay
2902 MainStreet Technical Practices
St at us
90-2906-01
8838
May 2002
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