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New AS7-D equal to SWPRO-C

new AS7-D unit offers:

- 512 HDLC channels (2x that of AS7-C), 8xmore memory, data processing performance is

estimated to be ~1.4x that of AS7-C- an interface to OMC (X.25), then it is installed

in OMU,

- capability to co-exist in the same cartridge with AS7-C

- capability to act as a new control unit forGSWB

- the relevant FU is then called SWPRO-C and AS7-D is installed in MCMU

- SWPRO-C will replace SWCOP-A used so far 

- due to the need to serve 1000 additional TRX anew control unit is mandatory

- SWPRO-C allows to control higher amount ofconnections and generates less load to theMCMU CPU in comparison to SWCOP-A

PDFU PDFU

BCSU 1

 C L  S 

GSW2KB

GSW2KB C L  S 

   L   A   N   U

   L   A   N   U

FTRBFTRB

Flexi BSC 

GTIC

GTIC

ETC

ETC ETC

ETC

BCSU

BC

SU 2 BCSU 3

BCSU 5BCSU 4 BCSU 6

FTRBFTRB

   M   C   M   U

   M   C   M   U

OMU

 AS7-D PIU

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Signalling Configuration of AS7-D

signaling capacity of AS7-D unit:

 – 512 LAPD@64

 – 480 LAPD@64 – 8 SS7@64

 – 480 LAPD@64 – 4 SS7@128

 – 480 LAPD@64 – 2 SS7@256

 – 480 LAPD@64 – 1 SS7@512

 – 448 LAPD@64 – 2 SS7@512

 – 448 LAPD@64 – 1 SS7@1M

 – 448 LAPD@64 – 1 HSL (ETSI/ANSI)

 – 384 LAPD@64 – 2 HSL (ETSI/ANSI) *

* Note: configuration is basically supported, but not yet tested

The signaling capacity of AS7-D units installed within anindividual BCSU must be sufficient to the max radioconfiguration:

 – 500 TRX / BCSU – 16000 SDCCH / BCSU (32 SDCCH / TRX)

 – 8000 TCHH / BCSU (16 TCH / TRX)

 – 500 CCCH / BCSU (1 CCCH / TRX)

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Gb interface capacity for PCU2-E and PCU2-D

Overall, applicable for both PCU2-E / PCU2-D

max Gb throughput can be reached with more than 1 FRL

Gb over FR: capacity of the transport links may limit the throughput

Gb over IP: PCU capacity is the limiting factor 

Parameter  PCU2-E PCU2-D

capacity per FR link 1…31 TSL (1984 kbps) 1…31 TSL (1984 kbps)

Total rate of FRLs / logical PCU 128 x 64 kbps 32 x 64 kbps

# of bearer channels per logical PCU

# max Gb throughput per logical PCU )* 8 Mbps (128 TSL x 64 kbps) 2 Mbps (32 TSL x 64 kbps)

16 FRL/NS-VC 4 FRL/NS-VC

*) incl. both user traffic and overheads