ABB 500NMD20 User Manual

Network structures System concept
Device type Ethernet inter-
faces
SHDSL interfaces SFP interfaces RS-232 interfaces
500NMD30 4 - - 1
Table 4: Device types
FO fiber
type
up to 2 km up to 15 km up to 20 km up to 40 km up to 80 km up to 180 km
Multi mode 500SMM02 - - - -
Single mode,
two fibers
- 500SSM15 - 500SSM40 500SSM80 on request
Single mode,
one fiber
500SDM20
500SUM20
500SDM40
500SUM40
Table 5: Ranges with optical fiber
Details on available SFPs can be found in Chapter 4.10.1, "Optical SFP Modules"
3.2 Network structures
Devices of the EDS500 family allow you to realize a wide variation of network structures like
point-to-point connections, lines, rings, stars, branches and meshed networks. The following
small examples should give an overview of possible network variants.
3.2.1 Network structures: Line
Control staon Staon 1 Staon 2
Staon 3
Cu
21 2
RTU RTU
RTU
1
Eth
Eth
LWL Cu
Eth
Eth
Control
system
Figure 1: Example for network structure: Line
Legend:
1 500NMD01
2 500NMD11
Various transmission media: SHDSL via copper cable (Cu), optical transmission via optical
fibre (FO).
All user stations (central station, branches) are connected via Ethernet (Eth) to the
transmission line.
12 1KGT150966 V0001

ABB 500NMD20 Specifications

General

Brand	ABB
Model	500NMD20
Category	Network Router
Language	English