ZyXEL Communications Multi-service Access Platform MSAP2000 - Manual (Page 98)

6. System Design
MSAP2000 Technical Manual V3.0 6-1
6. System Design
6.1. System Capacity
MSAP2000 is designed to provide both capabilities of the TDM based
on SDH and Packet based on ETHERNET. The SDH is based on
STM-1/STM-4 system architecture. Its system capacity can reach up
to 63/252 E1, which is equal to 1890/7560 lines of 64Kbps (DS0)
bandwidth. Each DS0 can independently transmit TDM or IP data.
Subscriber bandwidth can be increased based on a granularity of
64Kbps. MSAP2000’s built-in Digital Cross-Connect functions can
allow all DS0 Timeslots to be cross-connected.
Maximum
Telephone
Capacity
Each FXS/FXO Module provides 16 telephone user interfaces.
When fully loaded, up to 16 FXS modules can provide 256 subscriber
interfaces in one single shelf. And in one MSAP2000’s COT and RT,
each node can support up to 8 shelves and that will lead to 1890
telephone user interfaces without concentration.
Maximum V5
Capacity
One V5.2 System supports up to 16 E1 interfaces, and can provide
1:N concentrated operation for up to 7560 voice subscribers. One
V5P Module supports 4 independent V5.2 Systems, meaning that one
MSAP2000 will support 4 V5.2 Systems, and provide 7560 voice
channels.
Maximum VoIP
Capacity
When interfacing the soft-switch, MSAP200 can be plugged with PVM
modules with N+1 protection scheme. Each PVM can provide up-to
256 G.711 simultaneous calls at the same time. The number of
subscriber lines can be up to 1890. Concentration ratio can be lower
by adding more PVM modules.
Maximum ADSL
Capacity
Each AAM (ADSL Access Module) supports 12 ADSL2/2+ interfaces,
and each shelf will hold 16 AAMs, to provide 192 ADSL subscriber
interfaces. One MSAP2000 can support up to 1536 ADSL subscriber
interfaces. The up-link can use GbE for higher bandwidth requirement.
Maximum E1
Capacity
Each QE1M supports 4 ITU-T G.703 E1 interfaces. Each self can
support 16 QE1M Modules, which will provide 63 E1 data subscriber
interfaces. When QE1M is setup as Fractional E1, the maximum
capacity for E1 data subscriber usage is 512Kbps (provided that the
average bandwidth for each Fractional E1 is 4 DS0s).
Combined
Analog/ADSL/E1
System
These modules may be randomly combined, to satisfy individual
requirements. Telephone, Data (E1) or ADSL Modules can be
added, until the System’s capacity 1890 (DS0) is full.