Filter
Top Products
2-2
Chapter 2
Hardware Descriptions
MEM Card
The MEM3 card contains EPROM memory to support new features such as Windows
PCMMC, and the ITM3 and TEPRI cards.
The MEM4 card is provided with an SIO port and a 10/100 base T LAN interface. The card
has Flash memory to support new features such as Windows PCMMC, the ITM3 and TEPRI
cards, a networking solution using TE/PRI, program/database upload/download and Hotel
features.
Ring Generator Unit (RGU1 or RGU2)
Two kinds of sinusoidal–waveform Ring Generator Units are available: RGU1 provides 3W
ring signals; RGU2 provides 20W ring signals. RGU2 is required when a large number of sin-
gle line telephones are connected to the system.
Expansion Cabinet
One metal Expansion cabinet can be attached to the KSU. There are two types available.
Expansion “A”
type (Figure 2–1) comprises three Universal expansion slots and one “DCS”
card slot for a PRI (TEPRI) or SVMi-8 card. Expansion “B” type (Figure 2–2
) consists of two
universal expansion slots and two “DCS” card slots. The Expansion cabinet connects to the
KSU via a 64-pin ribbon cable, two 2-wire power connections and an F-GND connection. It
contains a 50-pin Champ connector for external connections.
Be aware that a DCS card has its own connector and the plastic case should be removed be-
fore installing the card in the Expansion cabinet.
Figure 2
–
1 KSU With Expansion Type “A” Cabinet