Backup Mode 4:
GPRS Primary, 2 Receivers
Redundant Mode 1: 4 Receivers
– (Redundancy between GSM/GPRS path and Ethernet/Internet path)
Ethernet Receiver 1
Ethernet Receiver 2
GPRS Receiver 1
GPRS Receiver 2
IP Receiver 1
IP Receiver 2
IP Receiver 3
IP Receiver 4
TX1, GPRS path
TX 1, Ethernet path
TX 1 failed, TX 2 via GPRS path
TX1 failed, TX 2 via Ethernet path
Ethernet Receiver 1
Ethernet Receiver 2
GPRS Receiver 1
GPRS Receiver 2
IP Receiver 1
IP Receiver 2
TX 1
Tx 3 failed, Tx4
Tx 1 failed, Tx2
Tx 2 failed, TX3