Huawei OptiX RTN 600 - Orderwire Interface; Wayside Service Interface; Asynchronous Data Interface

OptiX RTN 600 Product Description
Commercial in Confidence Page 40 of 44
7.3.4 Orderwire Interface
Table 7-12 Orderwire interface performance
Item Performance
Transmission path
Uses the E1 and E2 bytes in the SDH overhead or the
user-defined byte in the overhead of the microwave frame.
Nominal bit rate
(kbit/s)
64
Orderwire type Selective-calling
Wire pair in each
transmission direction
One symmetrical wire pair
Impedance (ohm) 600
7.3.5 Wayside Service Interface
Table 7-13 Wayside service interface performance
Item Performance
Transmission path
Uses the user-defined byte in the overhead of
the microwave frame.
Nominal bit rate (kbit/s) 2048
Wire pair in each transmission
direction
One coaxial wire pair
Impedance (ohm) 75
7.3.6 Asynchronous Data Interface
Table 7-14 Asynchronous data interface performance
Item Performance
Transmission path
Uses any byte in serial 1 to serial 4 of the SDH
overhead or the user-defined byte in the overhead of
the microwave frame.
Nominal bit rate (kbit/s) 19.2
Interface characteristics Meets the RS232 standard.