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Modules : PSPE1S ] PSPX21M ] [ PSPLL ]

[back PSP3U]

PSPLL : Analog line  over IP/VLAN


          This LL module allows  analog leased line creation :

        trough an Ethernet L3-IP networks.
        trough an Ethernet L2-VLAN  networks


In IP mode, PSPLL manage L3 layer conform to IPV4
In VLAN mode, PSPLL manage L2 layer conform to 802.1Q and 802.1P

Case application : LL interconnection with VPN-IP line back-up

Benefits :    

PSPLL allows to maintain operationnal old fashionned equipments without any re-configuration making easy migration to Ethernet technology.

Technical specifications

Network Interface :

universal Ethernet    : 10 Base T, Half Duplex
network protocol      : L3 IP, IPV4
                              : L2 VLAN, Tag 802.1P / 802.1Q
                              : Ethernet frame re-sequencing
                              : bandwidth optimization

Link Back-up : (click on image to zoom)

a/ In VPN-IP mode ........... 
Using network protocols like OSPF or BGP

b/ In VPN-VLAN mode ....... 
Using Quadrillium back-up service based on link monitoring

2 Analog  User Interfaces
:  2 wires & 4 wires

ETCD transparent mode to MF codes ( R2, Q23,...)
Frequency range : 300 to 3400hz
Low transit delay : 4ms
Connection : RJ45
impedance : 600ohms
Loops 2 & 3

Management :

PSPLL equipments are managed by a web browser.
It is possible to manage the entire link (local and remote equipments).

Connection is made :

- local & remotely trough an "in-band" connection on Ethernet network link