Switch Status & Specifications
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T1/E1 LEDs
T1/E1 LEDs indicate line coding, network framing, and loopback status. The Line Coding LED is
on the port’s left side. The Framing LED is on the port’s right side.
LED Color/State Description
Line coding
Green FortheT1connection,thisindicatestheAMIorB8ZSline
coding signal is good. For the E1 connection, this indicates
the HDB3linecodingsignalisgood.
Yellow Thisswitchisreceivingbipolarviolations(BPV)atone-
second intervals.
Red* Alossofsignal(LOS)hasoccurred.
Off The switch has no power.
Framing
Green The T1 or E1 signal is in frame (synchronized)
Yellow TheCOhassentayellowalarm.
Yellow-Flashing The frame-bit error rate has exceeded its limits
Red* T1signalisout-of-frame(OOF)andcannotbeframedto
the Extended Superframe (ESF) or D4 format. E1 signal is
out-of-frame(OOF).
Off The switch has no power.
* Red Flashing If both the line coding and framing LEDs are
simultaneouslyashingred,loopbackisenabled.
LoopbackcanbeenabledfromMitelDirectororattheCO
for the T1 connection.
Specications
Feature Specication
Dimensions 14.65x8.35x1.65inches(372x212x42mm)
Weight 5.3lb(2.40kg)
Inputvoltage 100-240VAC,50-60Hz
Power consumption 1A max.
Humidity 5-90%relativehumidity(non-condensing)
Operatingtemperature 0-50˚C