Huawei NE40E Hardware Description page 1058

NE40E
Hardware Description
selection of the balanced or unbalanced conversion box and associated E1/T1 cables is
determined by site survey results.
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The size of the conversion box is 125 mm x 442 mm x 43.6 mm (excluding the mounting ear).
The conversion box can be installed in a 19-inch or ETSI standard cabinet. The N68E cabinet
is a 19-inch cabinet, and the N63E cabinet is an ETSI cabinet.
Issue 01 (2018-05-03)
The remote interface is a 120-ohm balanced RJ48 interface.
− If the remote interface is a 120-ohm balanced RJ48 interface, you need to select
E1/T1 trunk cables with RJ48 connectors at both ends and a DB100 to RJ48 port
conversion box. The maximum transmission distance is 270 m (88.58 ft).
The remote interface is a 75-ohm unbalanced SMB interface.
− If the remote interface is a 75-ohm unbalanced SMB interface, you need to select a
24-port E1/T1 DB100 to SMB port conversion box and suitable cables. In addition,
the cable end that is connected to the customer's device is not equipped with a
terminal, so the customer needs to prepare the terminal. In this case, the maximum
transmission distance is shorter than 200 m.
1 Hardware Description
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