ABB 500NMD20 - 4.4 Compact device 500 NMD20

Device description Compact device 500NMD20
4.4 Compact device 500NMD20
4.4.1 Overview 500NMD20
Console0
Tunnel
CFG
local LAN
3
4
5 6
2
RS-232
Tunnel
Console1
CFG
1
WANWAN
RS-232/
RS-485
Configuration
and Monitoring
Intelligent Switch
(Layer 2 or 3)
Figure 16: Block diagram 500NMD20
Legend:
1 FO 1
2 FO 2
3 Ethernet Port 1
4 Ethernet Port 2
5 Ethernet Port 3
6 Ethernet Port 4
The compact modem 500NMD20 has two optical interface as SFP plug-in and four Ethernet
interfaces. There are two serial interfaces for configuration or process interface (e.g. to
connect telecontrol units). A configurable alarm relais and an extension interface (e.g. to use
the configuration stick) complete the device.
1KGT150966 V0001 25