Technical data

Overview

EN4442EN00EN_0002

Siemens

1 Common Gateway (CG)

The Common Gateway combines the different IP Gateway functions (HG3530, HG3550,

HG3540 and HG3570 in one SW core.

Each sub-function (e.g. HFA or SIP) can be configured on one single HG3500 board,

The CGW SW can run on existing STMIV2 cards or on the „new“ STMIV4 card.

1.1 Gateways

The following gateways are supported in HiPath 4000 V4:

● HG 3575 V4

with the boards

– NCUI2+ (Q2305-X35 and Q2305-X40)

– NCUI4 (Q2324-X and Q2324-X10)

● HG 3550 V1 (STMI (Q2303-X10) and (Q2303-X20))

● HG 3500 V4 (Common Gateway)

with the boards

– STMI2 (Q2316-X and Q2316-X10)

– STMI4 (Q2324-X500 and Q2324-X510)

Difference NCUI2 and NCUI2+:

The NCUI2+ has more RAM (128 MB instead of 64 MB) and the FEPROM more memory ca-

pacity (32 MB instead of 16 MB)

Difference between NCUI2+ and NCUI4:

The NCUI4 (Q2324-X10) has 5 DSPs ,the NCUI+ (Q2305-X40) only 4.

The NCUI4 has faster DSPs (720 MHz instead of 500 MHz) and more memory (32 MB instead

of 16 MB).

For IP trunking only.