Stm-1 Electrical Interface; E1 Interface - Huawei OptiX RTN 600 Product Description

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
Nominal bit rate (kbit/s)
Code pattern
Wire pair in each transmission
direction
Impedance (ohm)

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
Nominal bit rate (kbit/s)
Code pattern
Wire pair in each
transmission direction
Impedance (ohm)
Commercial in Confidence
Item
Item
2048
HDB3 (High Density Bipolar3)
One coaxial wire pair
75
OptiX RTN 600
Performance
155520
CMI (Coded Mark Inversion)
One coaxial wire pair
75
Performance
Product Description
One symmetrical wire pair
120
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