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other manufactures.
ADM
If Routers with E1 interface are used at remote side, users are required to first confirm all
the parameters of E1 link, such as fractional/transparent E1, PCM30/31, CRC
enable/disable, clock relations, bandwidth distribution and time slot usage etc. If any one
of them does not match the setting of the converter, there will be problems in connection.
In this case, if devices at both ends work in fractional E1 mode, usually the clock relation
is easily ignored. It is suggested that first make sure which device the clock source is on,
then devices at other end should follow the clock on the E1 link.
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