Agilent Technologies aurora Duet User Manual page 38

Duet
aurora Basic & Primary Rate ISDN Tester - User Guide
3 - 6
PS1 SC Operating on the S interface:
Green shows that Power Source 1, normal
polarity, is detected on the line.
Green (flashing) shows that Power Source 1,
reverse polarity, is detected on the line.
Operating on the U interface:
Green shows that Sealing Current, normal
polarity, is detected on the line.
Green (flashing) shows that Sealing Current,
reverse polarity, is detected on the line.
B8ZS Green (single flash) shows that aurora
detected a B8ZS code word on the line carrying
the active D channel. This LED only shows
green at the time when a code word is detected.
At other times it remains off, even when
aurora is connected to a B8ZS line.
Duet
PS2 OP Operating on the S interface:
Green shows that Power Source 2, normal
polarity, is detected on the line.
Green (flashing) shows that Power Source 2,
reverse polarity, is detected on the line.
Operating on the U interface:
Green shows that Optional Power, normal
polarity, is detected on the line.
Green (flashing) shows that Optional Power,
reverse polarity, is detected on the line.
AIS Green shows that aurora
Alarm Indication Signal (AIS) on the line
carrying the active D channel.
has
Duet
has detected an
Duet
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