Input/Output - Symmetry 124 User Manual

9 INPUT/OUTPUT

The rear panel has the following connectors:
 RS-232 serial - 9 pin d-subminiature plug.
 Remote display connector (USB type A socket).
 I/O connector (USB type B socket).
 Power input socket. (Required power input is a low-voltage external supply, 18VDC
@ 830mA for all models). Accepts concentric barrel plug 11.4mm length X 5.5mm
outside diameter X 2.1mm centre diameter.
There is also a battery cover and slot for the rechargeable NiMH battery pack (if available
with your model). Due to the high power requirements of the analytical balance weighing
mechanism and the internal calibration mechanism, it is not recommended to use battery
power for these options.
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