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Installing the LX-4000 Series
Port Status LEDs
Each of the eight (or 16, or 32, or 48) green LEDs flash when receive, transmit, or status activity is detected on its corresponding serial port. The port status LEDs are used in several ways. During the initialization process, the LEDs indicate self-tests are being performed, and if any self-test fails, they indicate an error code. After a POST test and a system software boot, the lights indicate when a port is actively being used.
Rear Panel LEDs
This section explains the rear panel LEDs and shows you a rear view of the various LX-4000 models
(see Figures 5 through 11).
RCV LINK
100-240VAC
1.0A 50/60Hz
DIAG
10/100
ETHERNET
RCV LINK
100
1 2 3 4 5 6 7 8
DIAG Port (Port 0) 100 Mbps
LED
Figure 5 - LX Series 4008 Rear Panel
100-240VAC
1.0A 50/60Hz
Modem Port
LINK
RCV
TELCO
LINE
RCV LINK
100
DIAG/MGMT
10/100 ETH
DIAG Port (Port 0)
10/100
Interface
100
Mbps
LED
Figure 6 - LX Series 4008 with Modem Rear Panel
451-0308
MRV Communications, Inc. www.mrv.com
17
Installing the LX-4000 Series
+ -
A
+ -
B
-24/-48/-60 VDC
1.2 MAX
1 2 3 4 5 6 7 8 9 10 11 12
Modem Port
LINK
RCV
TELCO
LINE
13 14 15 16
RCV LINK
100
DIAG
10/100 ETHNT
DIAG Port (Port 0)
10/100
Interface
100
Mbps
LED
Figure 7 - LX Series 4016 with Modem Rear Panel
RCV
LINK
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 DIAG
10/100
ETHERN ET
RCV LINK
100
DIAG Port (Port 0)
100 Mbps
LED
Figure 8 - LX Series 4016 DC Version Rear Panel
17 18 19 20 21 22 23 24 25 26 27 28
Modem Port
LINK
RCV
TELCO
LINE
29 30 31 32 RCV LINK
100
DIAG
10/100 ETHNT
DIAG Port (Port 0)
10/100
Interface
100
Mbps
LED
Figure 9 - LX Series 4032 with Modem Rear Panel
18
MRV Communications, Inc. www.mrv.com
451-0308
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