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.