6 Functional Description of the Ethernet Modules
6-21
Replacing the buffer battery
• Remove the battery holder:
take the two small faces of the
holder and pull it out.
• If the AUI module is on (State
LED is lighted), the Batt low
LED will light up yellow.
• Open the battery holder:
slightly press your fingers on
the upper and lower edge of
the holder.
• Replace battery SB 808F
• Observe the battery polarity
• Assemble the battery holder
• When inserting the battery
holder make sure the contact
pins areontheleft hand side.
• Insert the battery holder into
the slot on the module front
panel and press it in until it
snaps in.
• Make sure that the battery
holder is not canted.