GE MDS MDS SD9, Руководство для стартапов, Страница: 8 / 20

6 MDS SD9 Startup Guide 05-xxxxA01, Rev. 01
vided with each unit (see Figure 5 ). Strip the wire leads to 6 mm
(1/4 inch) and insert in the wire ports. Be sure to observe proper
polarity as shown in the
Figure 5 .
Invisible place holder
Figure 5. DC Power Connector
The transceiver is designed for use with nega-
tive-ground systems only. The power supply should be
equipped with overload protection (NEC Class 2 rating),
to protect against a short circuit between its output ter-
minals and the radio’s power connector.
5. Set the radio’s con fi guration. The transceiver is designed for
quick installation with a minimum of software con fi guration
required.
a. Connect a PC to the transceiver’s DB-9
COM1
connector as
shown in Figure 6 . A straight-through cable may be used in
most applications. If desired, a cable may be built using the
information shown on
Page 12 of this guide.
b. Launch a terminal communications program, such as Hyper-
Terminal (included with most Windows TM systems). Press the
key a few times (at half-second intervals) to receive
the ready “>” prompt on the screen.
NOTE:
To prevent unintended keying of the transmitter during
management activities, set
PTTSIG
to
OFF
, or do not
connect to Pin 6 of the
COM1
port.
Lead
Screws (2)
Binding
Wire Ports (2)
(Polarity: Left +, Right –)
Retaining
Screws (2)
CAUTION
POSSIBLE
EQUIPMENT
DAMAGE
ENTER