ABB Switzerland Ltd
1KHW001489-EN
ETL600
However, the bands can also be separated in frequency as shown in
Fig. 3-2b. ETL600 offers nominal bandwidths from 4 to 32 kHz.
ETL600
PR
SCADA
Service
PC
PBX
Multi Service
Multiplexer/
Router
Protection commands
V.24, 4-w 600 Ohm AF
2-w FXS
V.24 ,USB
V.11
2-w FXO, 4-w FXO
PBX
G.703/704 FXO, S0
2-w FXS
SCADA
V.24
LAN
Ethernet / IP
WAN
E1/T1
V.24 ,USB
ETL600
PR
SCADA
Service
PC
PBX
Multi Service
Multiplexer/
Router
Protection commands
V.24, 4-w 600 Ohm AF
2-w FXS
V.24 ,USB
V.11
2-w FXO, 4-w FXO
PBX
G.703/704 FXO, S0
2-w FXS
SCADA
V.24
LAN
Ethernet / IP
WAN
E1/T1
V.24 ,USB
LT
LT
CD
CC
CC
SCADA
RTU or Master Station
PBX
Telephone Exchange
LAN
Local Area Network
WAN
Wide Area Network
CD
LT
Line Trap
CC
Coupling Capacitor
CD
Coupling Device
PR
Protection Relay
Fig. 3-1
ETL600 with a wide range of services
n*4 kHz
Frequency
a
b
n*4 kHz
m*0.5 kHz
n*4 kHz
Frequency
n*4 kHz
Bn
Bn
Bn
Bn
Fig. 3-2
Adjacent (a) and non-adjacent (b) frequency bands
3-2
November 2005
Structure and Function
Summary of Contents for ETL600
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