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4/8/16E1+4 100M ETH SNMP Managed PDH Console+SNMP Management, LCD Display
E1+100M ETH+V.35+RS232+FXO/FXS PDH Multi-Services, Modular design, SNMP Management,LCD Display
8/16 E1+4 1000M ETH SNMP Managed PDH SNMP Managed,Support Chain and Ring Topology
4/8/16E1+4 100M ETH Console Managed PDH Support Ethernet VLAN Function by Console Management
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