Electrical system 5000
Control console (5510)
Publication No. Date Valid from serial number T-code
261828-040 2008-08-21 6051502 815, 816
© BT Repair Manual RRE140/160/180/200/250 13 – 5
13.2.4 Replacing the access card's circuit
board
WARNING!
Static electricity!
Risk of static discharge that can damage the electronics.
Before starting work on the electronics, make sure you take the nec-
essary steps to prevent static electricity, in other words, ESD protec-
tion.
1. Insert a screwdriver in the small hole to release the catch that locks
the access card unit (a).
2. Undo the cable connection. Angle the access card unit slightly so
as to draw it through the hole.
3. Connect the new card and refit.
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