LED

Light Emitting Diode: A small stack of lights to indicate link,

 

duplex or other options.

LFPT

Link Fault Pass-Through: LFPT can be enabled via iView² or

 

through the console port.

LOF

Loss Of Frame: An error condition where the receiver/decoder

 

misses detection of the framing signal.

LOS

Loss Of Signal: An error condition where the receiving line

 

interface unit does not detect a signal.

MDI/MDIX

Media-Dependent Interface/ Media-Dependent Interface

 

Crossover. The ability of an Ethernet port to automatically detect

 

and configure its cabling connections to accommodate crossover

 

or non-crossover wiring, depending on its link partner and cabling.

MIB

Management Information Base: A database of objects that can be

 

monitored by a network management system. Both SNMP and

 

RMON use standardized MIB formats that allow any SNMP and

 

RMON tools to monitor any device defined by a MIB.

MSA

Multi-Source Agreement (SFP): The standard an SFP must meet to

 

be compatible in network devices.

OOS

Out-Of-Service, OOS is used by the CRAFT personnel to turn OFF

 

the alarm reporting so they can service the line without causing

 

alarm TRAPS to be sent to the NOC Center. The LEDs display a

 

line status but do not report any line related alarms back to the

 

NOC. A card removal or insertion is still reported, but a PORT

 

up/down or changes to its configuration are not.

POP

Point(s) Of Presence: The demarcation point where carrier owned

 

equipment is located at the customer site.

RAI

Remote Alarm Indication: Status information received from the

 

line indicating there is an alarm condition at the far end of the

 

transport.

SFP

Small Form-Factor Pluggable: An industry standard optical

 

pluggable module.

SNMP

Simple Network Management Protocol: A set of protocols for

 

managing complex networks over a standards-based IP network.

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IMC Networks MOR-F-632-120-EB82 operation manual Led