82
MDS Orbit MCR-4G Technical Manual
MDS 05-6628A01, Rev. B
4.0 TECHNICAL
REFERENCE
4.1
Troubleshooting
All units must meet the basic requirements listed below for proper operation. Check these items first when
troubleshooting a system problem:
• Adequate and stable primary power
• Secure connections (antennas, data and power)
• A clear transmission path between associated units
• An efficient, properly installed antenna system
• Proper configuration of unit settings
• Correct interface between the unit and other equipment
4.1.1
LED Status Indicators
The LEDs on the unit are visual indications of the status of the device. These indicators can provide useful
information when troubleshooting. Refer to
Table 8
for LED indications.
Figure 24. LED Status Indicators
Table 8. Description of LED Status Indicators
NOTE:
In addition to the LEDs above, the Ethernet connector has two embedded LEDs. A yellow indi-
cates a link at 100 Mbps operation. A flashing green indicates Ethernet data traffic.
LED Name
LED State
Description
PWR
(DC Power)
Off
Solid Green
Solid Amber
Fast Blink/Red (1x/sec.)
No power to unit
Unit is powered, no problems detected
Initializing-bootup
Alarm indication
ETH
(Ethernet)
Off
Solid Green
Blinking Green
No Ethernet link to network
Ethernet link present
Ethernet traffic in/out
COM
(Serial Comm. Port)
Off
Blinking Green
No serial connection, or idle
Serial traffic in/out
NIC1
(Cell)
Off
Solid Green
Solid Amber
Solid Red
No cellular connection
Cell Connection w/RSSI >-80 dBm
Cell Connection w/RSSI between -90 & -80 dBm
Cell connection w/RSSI<-90 dBm
NIC2
(WiFi)
Off
Interface disabled
Access Point Mode
Station Mode
Solid Green
Solid Red
Off
Solid Green
Solid Amber
Solid Red
Operating as AP and at least one client connection
Operating as an AP and no client connection
No connection
Connected with ”good” signal (RSSI stronger than -48 dBm)
Connected with “medium” signal (RSSI between -49 & -69
dBm)
Connected with ”weak” signal (RSSI less than -70 dBm)
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