ADLINK CT-6530 - Manual (Page 52)

40 Important Safety Instructions
X Never attempt to fix the equipment. Equipment should only
be serviced by qualified personnel.
A Lithium-type battery may be provided for uninterrupted, backup
or emergency power.
X Equipment must be serviced by authorized technicians
when:
Z The power cord or plug is damaged;
Z Liquid has penetrated the equipment;
Z It has been exposed to high humidity/moisture;
Z It is not functioning or does not function according to the
user’s manual;
Z It has been dropped and/or damaged; and/or,
Z It has an obvious sign of breakage.
WARNING:
Risk of explosion if battery is replaced with one of an incorrect
type. Dispose of used batteries appropriately.