stmi2.fm
STMI2
A31003-H3170-S102-4-7620, 11/2015
OpenScape 4000 V7, System Components (Hardware, Software), Service Documentation 261
4.30 STMI2
The STMI2 (Subscriber Trunk Module IP) board is used as Common Gateway HG
3500.
For lightning protection see Section 1.3, “Lightning Protection”.
The STMI2 board offers the following central and peripheral functions:
• Two network accesses to 10/100Base-T Fast Ethernet, comparable with
RG2500
• Voice encoding functions (based on DSP), comparable with RG2500
• Backplane interface for a default peripheral board
• V.24 interface for test access (service interface)
IMPORTANT: The STMI2 must not be plugged in and unplugged during live
operation.
Figure 87 shows the STMI2 board.
Figure 87 STMI2 board
4.30.1 System Diagram
Figure 88 shows a system diagram of the STMI2 board.