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Specifications 700-701-100-02
10 August 9, 2002 UTU-701 and ETU-751 List 1
Alarms
Can be individually set to Disabled, Minor, or Major (major alarms actuate the LTU or NTU alarm relay)
E1 Interface Loss of Signal (LOS)
Loss of Framing (LFA)
Alarm Indication Signal (AIS)
Remote Alarm Indication (RAI)
External Clock Loss of Clock (LOC)
HDSL Loop Margin, programmable threshold (MAR)
Errored Seconds, programmable threshold (ES)
Loss of Sync Word (LOSW)
History
E1 and HDSL Interface 24-Hour (15-minute intervals) and 7-Day (24-hour intervals) for
ES and UAS
Alarm Time stamp of first and last occurrence, number of occurrences for
all enabled alarms
Power Requirements
UTU-701C
Local input voltage -36 Vdc to -72 Vdc (see note at bottom of page)
Consumption (typical) 4.5 W
ETU-751C
Local input voltage 100 to 240 volt, 50 or 60 Hz, AC power
Consumption (typical) 4.5 W
Environmental
Operating Temperature Range 0 °C to +50 ° C (32 °F to 122 °F)
Humidity Up to 95% non-condensing
Storage Temperature -40 °C to +70 °C (-40 °F to 158 °F)
Storage Humidity 5% to 95% non-condensing
Regulatory Approvals
CE Mark Certification EN300 386-2