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Modules : [ PSPE1S ] PSPX21M ] PSPLL ]

[back PSP3U]

PSPE1S : Shared E1 over VLAN

 

              This module allows multiples virtual E1 leased line creation :

    Three configurations are available :

Point to point (see PSPE1)

Point to multipoint

Multipoint to multipoint


Point to multipoint :   E1 interconnection with VLAN line back-up

Main E1 channels (Tetra PBX in this case) are splitted between 4 remote sites.

 

Multipoint to multipoint : virtual E1 interconnection 

E1 channels are shared between all 5 sites opening virtual channels and givinf full interoperability between 5 sites.

Benefits :    

-
The need of physical lines is divided up to 50 %.
- Operationnal costs are tremendously decreased. 

Technical specifications

Network Interface :

universal Ethernet    : 10 BaseT, Half-Duplex
network protocol      : L2 VLAN, Tag 802.1P / 802.1Q

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

In VPN-VLAN mode ....... securisation-VLAN.jpg (39303 octets)
Using Quadrillium back-up service based on link monitoring

 
E1 User Interface
:

impedance : 120ohms / RJ45
Rate : 2,048Mbit/s (plesiochronous clock +/- 50ppm / E1)
Network transfer stability : 0,1 ppm
mode : frames & unframed
point to multipoint : 4 x n x 64k
multipoint to multipoint : 5 x 5 x 64k

Management :

PSPE1S 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