Nikon SMZ25 Instruction Manual page 142

 Connector names and connection destinations
The figure below shows the connectors on the rear of the control box and the connection destinations:
HGFIE
(Connect to the RS232C port of
the C-HGFIE HG Precentered
Fiber Illuminator.)
For the power cable connected to the AC adapter, use the one specified in Chapter 5, "1 Performance Properties."
Chapter 8
Functions and Operations of the Devices
Rear of the P2-CTLB
USB
(Connect to the USB port of a
personal computer or DS-L4.)
LEDDIA
(Connect to the LED light control
terminal of the P2-DBL LED
Diascopic Illumination Base or
P-DSL32 LED Diascopic Illumination
Stand.)
RELAY
(Connect to the P2-RLY Relay Box
or P2-RLYC Relay Cable.)
DC24V IN
(Connect to the 24 V AC adapter.)
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