Ram Packs - Samsung DCS Compact User Manual

2.3 RAM PACKS

To operate, the KSU must
be equipped with a RAM
pack to hold the customer
database (see Figure 2–
3). There are two types of
RAM pack available—
RAM packs 1 and 2, de-
scribed below.
RAM PACK 1 contains:
Customer database
l
contained in
Kbytes of battery pro-
tected memory and the
Real Time Clock circuit
RAM PACK 2 contains:
Customer database contained in 256 Kbytes of battery protected memory and the Real
l
Time Clock circuit
Additional 256 Kbytes of battery-protected memory for the Caller ID features and to
l
increase the speed dial library to 1500 numbers
2.4 INTERFACE CARDS
A. The 2 SLI card is installed in a dedicated slot on the KSU motherboard. The card
provides two single line telephone interfaces equipped with OPX protection and the
ability to provide a loop disconnect signal.
B. The 2 x 4 DLI card provides two Caller ID-compatible loop start C.O. interfaces and
four 2B+D DLI ports.
C. The 2 x 4 SLI card provides two Caller ID-compatible loop start C.O. interfaces, four
SLI ports for industry standard single line telephones and the ability to provide a loop
disconnect signal. NOTE: This card does not provide OPX protection.
D. The 2 E & M x 4 DLI card provides two two wire (TL11M) tie line interfaces and four
2B+D DLI ports.
E. The MISC 1 card provides a second MOH/BGM input, four page zone control relays,
two serial I/O ports and four DSP circuits. It is recommended that this card be used in
situations requiring heavy single line telephone use.
F. The MISC 2 card is similar to the MISC 1 but with the addition of Caller ID decoding
circuits.
G. The KDb-DLI board, if installed in a digital keyset, will provide a second DLI port for the
connection of a digital station device.
H. The KDb-SLI board, if installed in a digital keyset, will provide an SLI port for the
connection of a standard telephone device. NOTE: The SLI port on a KDb-SLI cannot
provide disconnect signal or OPX protection.
256
2.2
CONTENTS
FIGURE 2–3