Aria-130 Digital Key Telephone System
Issue: 1.2
Installation Manual
35
To insure Quality of Service (QoS), it is also recommended to use this board under Intranet which
guarantees the quality of network.
VOIB can be installed in the universal slot No. 1-6 in any KSU.
Maximum four(4) VOIU board can be installed in a VOIB, and each VOIU provides two(2) VoIP
channels.
2.4.12 Add-on boards
This chapter describes add-on boards, which can be installed on various types of boards to support the
additional function
Board Name
Function
Position
PMU
Provides operating software
MPB
MODU
Provides a 33.6K baud modem for local access
MPB
DMEMU
Provides a 16 Mbytes EDO-DRAM
MPB
SIU
Provides additional one RS232 serial interfaces.
MPB
SMEMU
Provides a 2 Mbytes SRAM
MPB
LANU
Provides Ethernet Interface
MPB
DTRU/DTRUII/DTRU4
Provides further 2/4 DTMF receivers
Note 1
MSGU/MSGU48
Provides Message Waiting signals to 6 SLT ports
Note 2
MSGUII
Provides Message Waiting signals to 12 SLT ports
SLIBII
CPTU/A,CPTU/B
Provides Call progress detection function
Note 3
CMU/CMU4
Provides Call Metering signal detection
Note 4
VCEU
Expands Channels up to additionally 4 channels
VMIB
FMEU
Expands Recording time up to additionally 300 minutes VMIB
Table 2.4.9 Add-on boards
•
Note:
1.
DTRU can be installed on SLIB24, SLIB48, DSIB, LCOB. And DTRUII can be only installed on
SLIBII. DTRU4 can be installed on LCOB8, SLIB2E and SLIBII.
2.
MSGU can be installed on SLIB24 and DSIB, MSGU48 on SLIB2E and SLIB48, and MSGUII on
SLIBII.
3.
CPTU/A, CPTU/B can be installed on LCOB. And CPTU4 can be installed on only LCOB8.
4.
Each type of CMU can be installed on the LCOB according to the local market condition and
regulatory requirements.
2.4.12.1 PMU1 (Programming Memory Module)
PMU1 is installed on MPB, has a program for system control, administration, and call processing. PMU1
has 4M byte Flash ROM which download software through RS-232C, ISDN line, LAN port, or Modem port
on MPB.
PMU1 will only support one KSU.
