Network
L1 Switch
L1 Switch：L1（Lyer1）Switch Products
Layer 1 26 slots/192 ports Switchable at physical
L1(Layer 1) Switch Physical Layer 26 Slot / 192 Port POTS/DSL Ethernet T1/E1
L1 6 slots/32 ports Switchable at physical layer
L1 (Layer 1) Switch Physical Layer 6Slot（32Port） POTS/DSL Ethernet T1/E1
