ADTRAN T1/PRI Manuale Utente Scaricare il pdf (Pagina 31)

Chapter 3. Operation

61200314L1-1 Dual T1/PRI Module User Manual 3-9

Read security: 5

Displays the port number.

LB Write security: 4; Read security: 5

Causes loopback on near-end (local) port (see Figure 3-4). The following

options are available:

Figure 3-4. Network Loopback Test

EMOTE

LB Write security: 4; Read security: 5

SendsloopbackcodetoRemoteCSU.Thefollowingoptionsareavailable:

ATTERN

Write security: 4; Read security: 5

Test pattern to be transmitted out the port. The following options are avail-

able:

Line Metallic loopback

Payld Payload loopback - framing and clocking are regenerated

Dual T1/PRI

DS1

NI CSU

Payload Loopback

Line Loopback

ANSI FDL Line Requires ESF mode.

ANSI FDL Pyld Requires ESF mode.

AT&T Inband line Works in ESF and D4 mode.

All ones Framed ones

All zeros Framed zeros

QRSS Pseudo-random pattern with suppression of excess zeros

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ADTRAN T1/PRI Manuale Utente Pagina 31