NAIROBI
RTH MESSAGE SWITCHING SYSTEM
Installation
The system was put in operation in July 1993. It is composed of
two identical computers, one being operational and
the other standby at any given time. There are 3 workstations
for Message Switch supervisory tasks.
Hardware
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Based on Motorola MVME
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MVME147 CPU card with 32 Mbyte on board RAM 25 MHz clock
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32 MByte Memory extension card
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2 X 1.2 Gbytes Hard Disks
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150 Mbyte Streamer tape
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6 MVME333-2 asychronous cards ( each card supports 6 asynchronous lines)
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4 MVME333-2 synchronous cards (each card supports 2 sychronous lines-
X25)
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3 SUN Sparcstation Workstations for MSS supervision
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10Mbps Ethernet lan
Software
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UNIX System V
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MSS Aplication programs (mainly C-language)
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Oracle 6 RDMS ( to manage configuration tables)
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SunOs 4.1.2 and X-Windows for supervision workstations
Communications Protocols
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TCP/IP (ftp,telnet)
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X25 Level 3 ( PVCs and SVCs)
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Asynchronous
Chart Codes Supported
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