Arm (Adtran); Htu-R (Adtran); Htu-C (Adtran); Hre1 (Adtran) - Fluke 635 User Manual

Overview
2
Controls

2-25. ARM (ADTRAN)

When ARM is selected and the SEND LOOP UP key is pressed, all
ADTRAN HDSL equipment is armed, enabling the HDSL elements to be
looped. When ARM is selected and the SEND LOOP DOWN key is pressed,
all ADTRAN HDSL equipment is disarmed.

2-26. HTU-R (ADTRAN)

This selection causes the HTU-R (remote-end HDSL unit) to transition from an
armed state to a loopback state.

2-27. HTU-C (ADTRAN)

This selection causes the HTU-C (central-office HDSL unit) to transition from
an armed state to a loopback state.

2-28. HRE1 (ADTRAN)

This selection causes the HRE1 (HDSL range extender 1; sometimes referred
to as a "doubler") to transition from an armed state to a loopback state.

2-29. HRE2 (ADTRAN)

This selection causes the HRE2 (HDSL range extender 2; sometimes referred
to as a "doubler") to transition from an armed state to a loopback state.

2-30. NREM (PairGain)

This selection causes the NREM (network remote) to transition to a loopback
state.

2-31. NLOC (PairGain)

This selection causes the NLOC (network local loop) to transition to a
loopback state.

2-32. NDU1 (PairGain)

This selection causes the NDU1 (network doubler 1) to transition to a loopback
state.

2-33. NDU2 (PairGain)

This selection causes the NDU2 (network doubler 2) to transition to a loopback
state.
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