User's Manual

Table Of Contents
Exalt Installation and Management Guide
EX-i Series GigE (FDD) Digital Microwave Radios
202675-008 19
2016-06-01
RMT (Remote) Button
The RMT button is the only external control on the radios. This button allows easy and quick
evaluation of the status of the remote-end radio. When the RMT LED is amber flashes, this is an alert
that the remote end has an alarm condition. Press the RMT button to determine the alarm conditions.
When the RMT button is pressed and held and local LEDs flash, this indicates that no remote-end
information is available. This indicates that the remote radio is either not powered, is booting, or is not
PROT Right Corner Green
LED
Indicates MHS protection communication status:
Solid = Communications OK
Off = Communications error or MHS disabled
ETHERNET ETH1/2 Left
Corner
Green
LED
Solid = Negotiated @ 1000Mbps
Fast Flash = Negotiated @ 100Mbps
Slow Flash = Negotiated @ 10Mbps
Off = No connection negotiated
ETHERNET ETH1/2 Right
Corner
Green
LED
Solid/Flashing = Data present
Off = No data present
SFP Left Side Green
LED
SFP link status:
Solid = Link engaged
Off = Link not engaged
SFP Right Side Green
LED
SFP traffic:
Solid/Flashing = Data present
Off = No data present
T1/E1 Left Corner Green
LED
Solid = Connection present (clocking confirmed)
Fast Flash = Connection present; coding/clock problem
Slow Flash = Connection present, but unexpected
Off = No connection/clock
T1/E1 Right Corner Green
LED
Solid = In a loopback state
Fast Flash = Automatic indication signal (AIS) is active
Off = No loopback; no AIS activity
RMT (LED inside button) Amber
LED
Off = Remote end LINK and STATUS LEDs are both green
Solid = No remote end status available
Flash = Alarm conditions at the remote end (LINK and/or
STATUS LEDs are non-green)
(Unmarked LED on rear panel) 2-color
LED
Indicates overall status (from the rear panel):
Green = LINK and STATUS LEDs are both green
Red Flash = LINK and/or STATUS are in a yellow state; no red
states exist
Red Solid = LINK and/or STATUS are in a red state
Off = Improperly powered or fatal system failure
Table 3 LED indicators (Continued)
Location/Label Type Function