1MRK 502 048-UEN A
19.8
19.9
Technical manual
Type
Value
Supported bit rates
300, 600, 1200, 2400,
4800, 9600, 19200,
38400, 57600, 115200
Maximum number of
32
650 IEDs supported on
the same bus
Max. cable length
925 m (3000 ft)
Table 564:
Serial rear interface
Type
Serial port (X9)
Table 565:
Optical serial port (X9)
Wave length
Fibre type
820 nm
MM 62,5/125 µm
glass fibre core
820 nm
MM 50/125 µm
glass fibre core
1) Maximum allowed attenuation caused by fibre
Enclosure class
Ingress protection
Table 566:
Ingress protection
Description
IED front
IED rear
IED sides
IED top
IED bottom
Conditions
-
-
Cable: AWG24 or better, stub lines shall be
avoided
Counter connector
Optical serial port, type ST for IEC 60870-5-103
and DNP serial
Connector
Permitted path attenuation
ST
6.8 dB (approx. 1700m length with 4 db /
km fibre attenuation)
ST
2.4 dB (approx. 600m length with 4 db /
km fibre attenuation)
Value
IP 54
IP 20
IP 40
IP 40
IP 20
Section 19
Technical data
1)
677