Polycom vsx7000 Manual De Referencia

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 System Commands
4 - 205
prilinesignal
Sets or gets the PRI line signal. 
Syntax
prilinesignal get
prilinesignal set <esf/b8zs|crc4/hdb3|hdb3>
Feedback Examples
prilinesignal set esf/b8zs
returns
prilinesignal esf/b8zs
Comments
User interface screen location: System > Admin Settings > Network > ISDN 
(page 2): Line Signaling
This screen is only accessible if you have a PRI network interface connected to 
your system.
Parameter
Description
get
Returns the current PRI line signal setting.
set
Sets the PRI line signal. It requires one of the following 
parameters: esf/b8zs, crc4/hdb3, hdb3
esf/b8zs
A method of signal encoding used with a T1 interface. 
This is the only choice for T1. This value actually 
chooses both a framing format and an encoding 
method. Legacy frame formats, such as D4, are not 
supported. In addition, older encoding methods, such 
as B7ZS, are not supported.
crc4/hdb3
A method of signal encoding used with an E1 interface. 
This is the default value. Data is encoded using HDB3 
to ensure proper one-density, and CRC4 error 
checking is enabled on both transmit and receive.
hdb3
A method of signal encoding used with an E1 interface. 
CRC4 error checking is disabled.