Enterasys Networks CSX7000 Manual do Utilizador descarregar pdf (Página 120)

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USER’S GUIDE

120 CyberSWITCH

3. Select following line characteristics:

• framing type

• line coding type

• T1 signaling method

If you are unsure of your line's characteristics, try the following defaults:

4. Select the correct T1 line build out value (US only). If you are using an external CSU, specify a

short haul build out (line length in meters). If you do not have an external CSU, specify a long

haul build out (decibel attenuation value from Telco).

5. A data link is assigned to the line upon completion of the line configuration. Add more data

links or modify the existing data link.

a. Only if you plan on using X.25 over the D-Channel on this line, answer yes to the following

prompt:

b. Assign a TEI Negotiation value of 0.

Note: If you select E1/R2 signaling for your framing type, you will not be asked to configure

datalinks (items 4 and 5). R2 signaling does not make use of a datalink; all datalinks

associated with the line are automatically deleted.

If you select a Robbed Bit line, CFGEDIT will inform you that RBS will delete any datalinks

on the line. The system will prompt you to confirm this deletion, and then automatically

delete the datalinks.

ONFIGURING A LINE FOR V.35 AND RS232 RESOURCES

1. Enter the line name.

2. Select the line’s slot and port combination.

3. Select the line type.

Note: The network line type is designated for lines used by a Dedicated Access, Frame Relay

Access, or X.25 Access.

4. Select the data line idle character. The default value is marks. However, there may be some

receiving devices which cannot properly make this determination with the default of idle

marks. If communication cannot be established with the receiving device, you may need to take

Characteristic PRI/T1 lines E1 line

Framing type ESF Multiframe CRC

Line coding type B8ZS N/A

Signaling Method Common_Channel N/A

Will this Data Link support X.25 communications (Y/N)? [default N]

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