Product specifications

2-2
Chapter 2
Hardware Descriptions
MISC card MISC 1 or MISC 2
One dedicated slot in the Basic KSU is for an MISC card and two kinds of MISC cards are available.
The MISC 1 card contains one additional External Music Interface for MOH or BGM, one additional
External Page Interface, one Alarm Sensor Detection circuitry, 4 channels DTMF receiver, three
General–purpose Dry contact relays, two RS232C Serial interfaces with connectors for PCMMC and
SMDR and MODEM card interface. The MISC 2 card is similar to the MISC 1 card but is also
equipped with a built–in 4–ch AA function.
It is strongly recommended that this card be used in situations requiring heavy single line telephone
use.
MODEM card
One built–in MODEM card can be installed in a MISC card.
PLL card
Any ISDN card, that is a BRI or a PRI, requires the PLL card which can be installed in a dedicated
place on the KSU motherboard.
MEM3 card
MEM3 card has EPROM memory to support new features Window PC-MMC, ITM3 & TEPRI cards
MEM4 card
MEM4 card with LAN interface module, no selectable options. The LAN module is required to expand
the system memory, to provide SIO ports 1EA, and a 10/100 base T LAN interface processor.
MEM4 card has Flash memory to support new features Window PC-MMC, ITM3, TEPRI cards and
Networking solution by TE/PRI, Program/Database up/download by LAN interface.
Expansion Cabinet
One metal Expansion cabinet can be attached to the Key Service Unit for expansion. Expansion A type
consists of three Universal expansion slots and one DCS card slot for PRI(TEPRI) or SVMi-8.
Expansion B type consists of two Universal expansion slots and two DCS card slot for PRI(TEPRI) or
SVMi-8. The Expansion cabinet connects to the KSU via a 64-pin flat cable, two 2-wire power
connections and a F-GND connection. It contains a 50-pin champ connector for external connections.
Please be noticed that a DCS card has its own connector.