Huawei OptiX RTN 600 - STM-1 Electrical Interface; E1 Interface

OptiX RTN 600 Product Description
Commercial in Confidence Page 39 of 44
7.3.2 STM-1 Electrical Interface
The performances of the STM-1 electrical interface are compliant with ITU-T G.703.
The following table provides the primary performances.
Table 7-10 STM-1 electrical interface performance
Item Performance
Nominal bit rate (kbit/s) 155520
Code pattern CMI (Coded Mark Inversion)
Wire pair in each transmission
direction
One coaxial wire pair
Impedance (ohm) 75
7.3.3 E1 Interface
The performances of the E1 interface are compliant with ITU-T G.703. The following
table provides the primary performances.
Table 7-11 E1 interface performance
Item Performance
Nominal bit rate (kbit/s) 2048
Code pattern HDB3 (High Density Bipolar3)
Wire pair in each
transmission direction
One coaxial wire pair One symmetrical wire pair
Impedance (ohm) 75 120