Verilink Access Manager 2000 (896-502037-001) Product Manua Manual de usuario descargar pdf (Pagina 210)

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101

Configuring the T1 Network

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Access Manager 2000 User Manual

7.5 dB The first repeater is 1000 to 2000 feet away.

15 dB The first repeater is less than 1000 feet away.

0 dB The network does not use line repeaters.

This option lets you select the type of minimum-ONEs density

enforcement on the network. If the CSU uses AMI line coding, choose

one of the following settings:

12%+80Z When you choose this mode, the CSU stuffs a ONE into

every string of eight (8) consecutive ZEROs whenever

either the average density is below 12.5 percent or there

are more than 80 consecutive ZEROs. This is the default

setting.

AT&T TR-62411 When you choose this mode, the CSU

stuffs a ONE into every string of more than 15

consecutive ZEROs or whenever there is not a minimum

of N ONEs in every window of 8(N + 1) consecutive

pulses, where N has a value from 1 to 23.

1 in 80 Stuffs a ONE into every string of more than 80

consecutive ZEROs.

1 in 15 Stuffs a ONE into every string of more than 15

consecutive ZEROs.

NONE P ulse density enforcement is no t used. Use this mode for AMI

unrestricted ZEROs operation. Also, select NONE if

B8ZS coding is used.

This option lets you choose which type of signal the CSU applies to the

network as a keep-alive. The options are:

FAIS framed alarm indication signal, all-ONEs

AIS unframed AIS

NONE pass signal to NET

LPBK looped network signal through a line loopback [LLB].

The default setting is for unframed AIS.

NET Density

Enforcement

NET Keep-Alive

1 2 ... 205 206 207 208 209 210 211 212 213 214 215 ... 399 400

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