ADTRAN Express 6120 Bedienerhandbuch PDF herunterladen (Seite 45)

Chapter 3. Terminal Menu Operation and Structure

61200176L1-1 Express 6100/6120 User Manual 3-11

IDSL/Channel Rate

Write security:2; Readsecurity: 5

Determines the rate at which data is transferred over the IDSL link.

Possible rates are 64K, 128K, and 144K.

IDSL/NEBEs

Read security: 5

This contains the number of Near-End-Block-Errors (NEBEs) that

have been detected by the Express 6100/6120’s IDSL circuitry. Con-

tinuous errors can indicate a line problem, but a burst at one time is

normal.

IDSL/FEBEs

Read security: 5

This contains the number of Far-End-Block-Errors (FEBEs) that have

been detected by the IDSL circuitry on the other end of the link. Con-

tinuous errors can indicate a line problem, but a burst at one time is

normal.

»» WAN/L2 Protocol

Write security:3, Readsecurity: 5

This parameter specifies the layer 2 data link layer transport used.

Whenselected asPPP,theExpress6100/6120 willnegotiatePPPover

the IDSL interface. This is used mainly for campus wiring applica-

tions. Parameters for controlling the PPP negotiation are in the Con-

figuration/PPP Profile menu. Frame Relay should beselected when

the Express 6100/6120 is connected to a Frame Relay switch. The

Configuration/WAN/Frame Relay menu is used for controlling the

Frame Relay parameters. When

Auto Detect

(def) is selected, the Ex-

press 6100/6120 will look at the incoming packets in order to deter-

mine what layer 2 protocol to use.

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ADTRAN Express 6120 Bedienerhandbuch Seite 45