Specifications

Chapter 1 Introduction Installation and Operation Manual
1-28 Technical Specifications FCD-E1LC Ver. 1.0
Diagnostics
Test Loops
• E1 main link local analog loopback
• E1 main link local digital loopback
• E1 main link remote analog loopback
• E1 main link remote digital loopback
• E1 sublink local analog loopback
• E1 sublink local digital loopback
• E1 sublink remote analog loopback
• E1 sublink remote digital loopback
• Data channel local loopback
• Data channel remote loopback
• BER test on selected timeslots of the main
link
• Inband FT1/FE1 code-activated loopback on
the main link
Note : No loopback can be activated for the
Ethernet interface.
Statistics Collection As per ITU-T Rec. G.706, G.826 with local
support as per RFC 4016
Alarms
Alarm Buffer Alarm buffer size: 100 alarms. Last 100 alarms
are stored and available for retrieval.
Each alarm is time stamped (internal clock
without battery backup – must be set to
correct time after turn-off or power failure)
Indicators
Front Panel Indicators
PWR – FCD-E1LC is powered (green)
SYNC LOSS LOC MAIN – Loss of local
synchronization alarm on the main link (red)
SYNC LOSS REM MAIN – Loss of remote
synchronization alarm on the main link (red)
SYNC LOSS LOC SUB – Loss of local
synchronization alarm on the sublink (red)
SYNC LOSS REM SUB – Loss of remote
synchronization alarm on the sublink (red)
TST – test active (yellow)
ALM – alarm indication (red)
Rear Panel Ethernet
Interface Indicators
• LINK (green) – LAN link integrity
• ACT (yellow) – LAN data activity
• 100M – operation at 100 Mbps