Sokkia GSR2700 ISX, Руководство по эксплуатации

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GSR2700 ISX Operations Manual 13
GSR2700 ISX Components
Chapter 2
2.2.2 Communication ports
Using the two communication ports (COM) on the receiver, you
can communicate with accessory devices such as a data collector
or radio. Each COM port also provides a power output for
powering accessory devices (for example, an external UHF
radio).
Typically, the COM1 port is intended for use with a data collector.
The COM2 port is typically intended for use with a radio. You
can also connect your PC’s USB port to the COM2 port for high-
speed data transfer from the internal memory.
The GSR2700 ISX can provide power output through the COM1
and COM2 ports for powering accessories. The output voltage
from the COM port is approximately the same as the input to the
unit. For more information about powering peripheral devices,
see Section 6.3,
Powering Peripheral Devices , page 50.
2.2.3 Power port
The GSR2700 ISX has one power input port for connecting an
external power source to the receiver, such as an external battery,
as an alternative to using the internal batteries. For more
information about the internal batteries, see Section 2.4,
Batteries ,
page 14. For more information about power input, see
Section 6.2,
Power Source , page 48.
2.3 Cables
To prevent damage to both the GSR2700 ISX and the cables, each
GSR2700 ISX cable connector is keyed to ensure that the cable can
be inserted in only one way. In addition, connectors have a
latching mechanism that requires careful insertion and removal
from ports.
Cables are color coded according to the port to which they
connect. Both the cable and the corresponding port on the
receiver indicate the appropriate color (see Table 5,
Port
Descriptions , page 11).