Zyxel-communications Multi-service Access Platform MSAP2000 Uživatelský manuál stáhnout pdf (Strana 58)

4. System Components

MSAP2000 Technical Manual V3.0 4-7

shelf’s EPM. The ELM’s Digital Cross Connect function can link

any subscriber channel within the System to the extension shelf.

When there are not enough slots in the main shelf, the ELM can

be used as a system extension shelf.

EPM

The Expansion Processing Module’s (EPM) function is to provide

connection to the ELM within the Main Shelf, and it can be placed

within slots 19 or 20 of the extension shelf. The EPM’s Digital

Cross Connect function will transmit the extension shelf data over

to the Main shelf.

MLTM

The Metallic Line Testing Module (MLTM) connects the subscriber

to the Helpdesk via public Network, or Digital Leased Lines. The

MLTM first receives commands and messages sent from the

Helpdesk, then test the subscriber line within the carrier system,

and send the test results back to the Helpdesk.

V5P

V5P is a V5.2 Protocol Processing Module, which supports ITU-T

G.964, G.965 standards.

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Zyxel-communications Multi-service Access Platform MSAP2000 Uživatelský manuál Strana 58