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5.1 Functions of the CU-7000
The optical communications unit CU-7000 is available in two models: CU-7001 and CU-
7002. The CU-7001 has both of functions (1) and (2) given below; the CU-7002 has only
function (1).
(1) Data exchange function
The CU-7001/CU-7002 exchanges data and programs between the BHT-7000 and
the host computer. It interfaces with the BHT-7000 via the optical interface and
with the host computer via the RS-232C interface.
(2) Battery cartridge charging function
The CU-7001 charges the lithium-ion battery cartridge.
5.2 Components and Functions
LED indicators
DATA (Communications
LED, green)
Lights when the BHT-7000 is commu-
nicating with the host computer.
POWER (Power LED, green)
Lights when the power is
applied to the CU-7000.
Optical interface port
Used to exchange data optically
with the BHT-7000.
Power inlet connector
Plug the AC adapter into this connector.
RS-232C interface port
Used to exchange data with the host computer.
CU-7000
BHT charge terminals
(Not provided on CU-7002)
Do not stain these terminals;
failure to protect the
terminals may result in
decreased charging effi-
ciency.)