MDS 05-4055A01, Rev. C
MDS entraNET System Guide
19
STEP 1—CONNECT THE ANTENNA PORTS
Figure 2-3
is a drawing of a tabletop arrangement. Connect the antenna
ports of each transceiver as shown through attenuators and an RF power
divider. This provides for stable communications between each radio,
while preventing interference to nearby electronic equipment.
Invisible place holder
Figure 2-3. Typical Setup for Tabletop Radio Testing
NOTE:
It is very important to use attenuation between radios in the test
setup. The amount of attenuation required depends on the
number of radios being tested and the desired signal strength
(Received Signal Strength Indicator, or RSSI) at each trans-
ceiver during the test. In no case should a signal greater than
–30 dBm be applied to any transceiver in the test setup. A
transmit RF power output level of +20 dBm (100 mW) is
recommended. This can be set via the radio menu (
Main Menu >
Radio Configuration > RF Output Power Setpoint
).
STEP 2—MEASURE AND CONNECT DC POWER
The power applied to transceivers (AP and Remotes) must be within
6–30 Vdc and be capable of continuously providing a minimum of 11
Watts. (Typical power consumption is 800 mA at 13.8 Vdc for the AP
and 600 mA at 13.8 Vdc for Remotes.)
A power connector with screw terminals is provided with each radio.
Strip the wire leads to 6 mm (0.25"). Be sure to observe proper polarity,
as shown in
Figure 2-4
, with the positive lead (+) on the left.
NOTE:
It takes about 30 seconds for the AP transceiver to power up
and be ready for operation. The Remote requires approxi-
mately five seconds to power up.
POWER ATTENUATORS
Fixed or adjustable
1W Minimum Rating
POWER DIVIDER
NON-RADIATING ATTENUATORS
Install on unused divider ports (if any)
1W Minimum Rating
COMPUTER
C
O
M
2
P
W
R
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NK
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1
C
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2
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R
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NK
C
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1
L
I
N
K
C
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2
C
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1
P
W
R
Remote
Remote
Access Point
Remote
L
A
N
C
O
M
1
CO
M2
PWR
LINK
Содержание entraNET 2400
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