ADTRAN Tracer TRACER 2 x E1 Guía de usuario Pagina 235

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T1-A and T1-B Tests
Multi Protocol Test Set 223
T1-A/T1-B Loopbacks
³ In-band
CSU loops the T1 CSU towards the network.
NIU5 (fac2) SMART JACK loops the NIU towards the Network.
³ Data-link
FDL-Payload loops only the payload towards the network, uses the
FDL link (ESF only).
FDL-LINE loops the entire DS1 at the CSU towards the Network, uses
the FDL link (ESF only).
FDL-Network loops the NIU towards the Network, uses the FDL link
(ESF only).
³ Repeater
IOR (Intelligent Office Repeater) loops the office repeater.
ILR1 to ILR20 loops the addressable line repeaters #1 – 20.
ILR-PL is an Intelligent Line Repeater Power Loop.
ILR-PD is an Intelligent Line Repeater Power Down.
³ Local
Self-Loop loops the transmitter (TX) of the AXS-200/805/855 to its
receiver (RX).
Local-NW: loops the receiver (RX) of the AXS-200/805/855 to the
transmitter (TX), manual DS1 loopback towards the network.
LoopUp and LoopDown
³ LoopUp sends the selected loop up command.
³ LoopDown sends the selected loop down command.
³ Stop terminates the sending of the LoopUp or LoopDown command.
The status of the loopback command is displayed in the field located at the
bottom of the screen.
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