GDK-100
DIGITAL KEY TELEPHONE SYSTEM
29
2.4.12 Add-on boards
This chapter describes add-on boards, which can be installed on various types of boards to support the
proper function
Board Name
Function
position
MEMU
Expands SRAM size.
MPB
SMEMU
Expands SRAM size and provides QSIG,CTI, and PCATTN.
MPB
MODU
Provides a 1200/2400 baud modem for local access
MPB
PLLU
Provides the synchronized system clock when ISDN installed.
MPB
SIU
Provides additional two RS232 serial interfaces.
MISB
DTRU/DTRUII
Provides further 2/4 DTMF receivers
1)
MSGU/MSGU48
Provides Message Waiting signals to 6 SLT ports
2)
MSGUII
Provides Message Waiting signals to 12 SLT ports
SLIBII
CPTU/A,CPTU/B
Provides Call progress detection function
3)
CMU
Provides Call Metering signal detection
4)
DMEU/DMEU4
Expands DRAM size for User Greetings(2M/4M)
DVIB
ADPU
Expands 4 ADPCM channels
DVIB
!
Note:
1. DTRU can be installed on SLIB24, SLIB48, DSIB, LCOB, AC15, BWDIDB, EMIB, and DIDB.
And DTRUII can be only installed on SLIBII.
2. MSGU can be installed on SLIB24 and DSIB, MSGU48 on SLIB48, and MSGUII on SLIBII.
3. CPTU/A, CPTU/B can be installed on LCOB, BWDIDB and E1IB.
4. Each type of CMU can be installed on the LCOB according to the local market condition and
regulatory requirements.
2.4.12.1 MEMU (Memory Expansion Module)
The MPB contains the basic system RAM memory. The RAM provides the memory for the system
database, speed dial numbers, SMDR buffer, etc. The basic RAM is 512 Kbytes and can be expanded up
to 1Mbyte with the MEMU.
MEMU is required for following function.
-
Increase the SMDR record buffer from 100 to 2,000
-
On-demand Ring
-
ISDN CLIP and CO Message Wait: up to 1000
-
ISDN Flexible DID table: 000~999 (* User programmable bins: 000~299)
-
MSN
-
ACD Statistics
-
Expanded LCR Table
-
WTIB (DECT GAP)
-
Enhanced CCR 1)
!
Note:
1) Above features are supported by the software 98FEB or later version. But the Enhanced
CCR is only supported by the software 99A or later version.
Содержание GDK-100
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