Diameter of the 120-ohm E1 trunk cable on the MA5616


Inner diameter (AWG) of the 120-ohm E1 trunk cable on the MA5616: 0.50 mm (24 AWG)

Other related questions:
Does the IAD132 support the E1 trunk?
The IAD132E(T) does not support E1 trunk interworking. For details, see the eSpace IAD132E(T) Product Documentation.

How to change the E1 trunk of the U1960 to the T1 trunk?
Remove the jumper caps on the CVP (U1910&U1930) or MTU board (U1911&U1960&U1981).

How to convert the U1900 E1 cable from 75-ohm to 120-ohm?
For details, see chapter 7 "Connecting the Signal Cables" in the eSpace U1980 V200R003C00 Quick Installation Guide .

How to connect the U1900 E1 trunk cables?
Each E1 link consists of two E1 lines, one for receiving and the other for transmitting data. Connect the Tx and Rx ends of the E1 cable respectively to the Rx and Tx ends of the peer E1 cable.

Can the U1980 use the 120-ohm balanced E1 cable
The U1980 supports 120-ohm balanced E1 cable access. If the cable is a 75-ohm unbalanced one, use the transfer box to convert 75-ohm unbalanced E1 signals into 120-ohm balanced E1 signals so as to meet the requirements for interconnection using the E1 trunk.

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