
451-0308
MRV Communications, Inc.
www.mrv.com
19
Installing the LX-4000 Series
Figure 10 - LX Series 4032 DC Version with Modem Rear Panel
Figure 11 - LX Series 4048 AC Rear Panel
RCV
The RCV LED is one of two integral LEDs on the 10/100 jack. This yellow LED flashes to indicate
receive activity on the link.
LINK
This green LED defaults to a link good indicator. If the link is present and operating, the LED comes
ON.
100 Mbps
This green LED indicates speed. If the link is 100 Mbps, the LED comes ON. On LX-4048 units, this
LED is on the front of the unit.
Environmental and Installation Considerations
•
Unit must be installed in an environment with 5% to 90% humidity, noncondensing, 0° -
40° C (32°-104° F).
•
Do not choose a location where the unit will be exposed to direct sunlight or subjected to
vibration.
•
Do not place an object on the side(s) of the unit that might block airflow through the unit.
10/100 ETHNT
DIAG
100
RCV
100 Mbps
LED
LINK
RCV LIN K
-24/-48/-60 VDC
1.2 MAX
+ -
A
+ -
B
9
10
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12
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15
16
1
2
3
4
5
6
7
8
DIAG Port (Port 0)
25
26
27
28
29
30
31
32
17
18
19
20
21
22
23
24
TELCO
LINE
Modem Port
100-240VAC
1.0A 50/60Hz
10/100 ETH
RCV
LINK
RCV LINK
10/100
Interface
9
10
11
12
13
14
15
16
1
2
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5
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7
8
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24
33
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40
25
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48