Specifications

CHAPTER 2. Hardware Descriptions

2-2

2.1 Key Service Unit

The OfficeServ 100 KSU is a single metal cabinet containing the following:

Figure 2.1 OfficeServ 100 KSU

 A power supply

 Processing and switching

 Eight 2B+D digital keyset interfaces

 Memory Card

− MEM3: A removable MEM3 card, containing 3 Mbyte Program memory, 1 Mbyte

Data memory with a back-up super capacitor, real time clock, a monitor LED and a

RAM clear switch

− MEM4: A removable MEM4 card, containing 3 Mbyte Program memory, 1 Mbyte

Data memory(only 512 Kbyte is back-up), 512 Kbyte common memory, real time

clock, a monitor LED, a RAM clear switch, and LAN interface

− MCP1: A removable MCP1 card, containing 16 Mbyte NAND Flash memory,

0.5 MByte Boot Flash memory, 32 MByte SDRAM memory, 2 Mbyte SRAM

Data memory(with SP Program and Data memory), 2 Kbyte DPRAM for IPC

communication MP & SP Processor, real time clock, a monitor & LAN status LED,

a RAM clear switch, and LAN interface

Mounting

Hole

Mounting

Hole