Alcatel-Lucent 7705 - Connecting an External Synchronization Input; Providing an External Synchronization Output

7705 SAR Interfaces
7705 SAR OS Interface Configuration Guide Page 115
e1
Syntax [no] e1
Context config>port>tdm
Description This command enables the context to configure E1 parameters. E1 is a basic time-division
multiplexing scheme used to carry digital circuits. It is also a standard WAN digital communication
format designed to operate over copper facilities at a rate of 2.048 Mb/s.
Once a channel has been configured for E1, all ports on the T1/E1 ASAP Adapter card can only be
configured for E1. There cannot be a mix of DS1 and E1 channels on the same card.
The no form of this command deletes the specified E1 channel.
Default None
length
Syntax length {133 | 266 | 399 | 533 | 655}
Context config>port>tdm
Description This command configures the line length for the physical DS1 port on the T1/E1 ASAP Adapter card.
Default 133
line-impedance
Syntax line-impedance {75 | 100 | 120}
Context config>port>tdm
Description This command configures the line impedance of a port. Line impedance is set on a per-port basis and
ports on the same card can have different values. Before changing the line impedance of a port, the
port must be shut down.
Default 100 for DS1
120 for E1
Parameters Values 100 for DS1
120 or 75 for E1