GE MDS TransNEXT NET9L, Техническое руководство

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MDS 05-7280A01, Rev. A MDS TransNEXT Technical Manual 21
Table 2-5. Signal Loss in Coaxial Cables (at 900 MHz)
Cable Type
10 Feet
(3 Meters) 50 Feet
(15 Meters) 100 Feet
(30.5 Meters) 500 Feet
(152 Meters)
RG-214 0.76 dB 3.80 dB 7.60 dB Unacceptable Loss
LMR-400 0.39 dB 1.95 dB 3.90 dB Unacceptable Loss
1/2 inch HELIAX 0.23 dB 1.15 dB 2.29 dB 11.45 dB
7/8 inch HELIAX 0.13 dB 0.64 dB 1.28 dB 6.40 dB
1-1/4 inch HELIAX 0.10 dB 0.48 dB 0.95 dB 4.75 dB
1-5/8 inch HELIAX 0.08 dB 0.40 dB 0.80 dB 4.00 dB
Accessories and Spares
The table below lists common accessories and spare items for use with the TransNEXT. GE MDS also
offers an
Accessories Selection Guide listing an array of additional items that may be used with the
product. Contact your factory representative or visit www.gemds.com to obtain a copy of the guide.
Table 2-6. Accessories & Ancillary Items
Item Description Part Number
DC Power Plug, 6-pin, polarized Mates with power connector on the
unit’s case. Screw terminals are
provided for wires, threaded locking
screws to prevent accidental
disconnect. 73-1194A85
COM Port Adapter
Converts the unit’s RJ-45 serial jack
to a DB-9F type.
73-2434A25
Ethernet Surge Suppressor Surge suppressor for protection of
the Ethernet port against lightning. 29-4018A01
Bandpass Filter Antenna system filter that helps
eliminate interference from nearby
paging transmitters. 20-2822A02
2.7 Initial Settings Overview
Setting Basic Parameters
—First Steps
Setup will vary based on the application. But these minimal tasks should always be performed after
initial startup and connection to a PC:
Change the login passwords.
Configure the radio.addr (Network Address) for your system
Configure the Serial COM port and ETH port as needed
When Configuring a new network one radio will have to be designated as a master. On that radio
Configure the radio.mode (“m”=master)