1	AR-EKSU	Khung phụ tổng đài Aria Soho tích hợp sẳn 3Co và 8 máy nhánh hỗn hợp và một khe cắm mở rộng
2	AR-LANU.STG	Card giao tiếp mạng LAN cho lập trình / tính cước, dùng cho tổng đài Aria Soho
3	AR-MODU.STG	Card kết nối qua Modem cho lập trình / tính cước từ xa , dùng cho tổng đài Aria Soho
4	AR-DPU2.STG	Door phone interface - Card giao tiếp chuông cửa, dùng cho tổng đài Aria Soho
5	AR-CMU50PR.STG	Card nhận xung đảo cực tính cước (Polarity Reversal, 50 Hz), dùng cho tổng đài Aria Soho
6	AR-VMIU.STG	Card Voice Mail - 4 kênh / 2 giờ ghi âm / 800 Voice box, dùng cho tổng đài Aria Soho.
7	AR-AAFU.STG	Card Disa - 4 kênh, dùng cho tổng đài Aria Soho.
8	AR-SLTB8.STG	Card mở rộng 8 máy nhánh hiển thị số analog
9	AR- CHB308.STG	Card mở rộng 3 trung kế và 8 máy nhánh hybrid
10	AR- CSB316.STG	Card mở rộng 3 trung kế và 16 máy nhánh analog

Description	Capacity / Board	Total
CO Line ports	Basic KSU: 3 /MBU, 3 /CHB308 or 3 /CSB316 Exp. KSU: 3 /EMBU, 3 /CHB308 or 3 /CSB316	Max. 12 (Analog CO)
Max direct station connections	Basic KSU: 8 /MBU, 8 /CHB308 or 8 /SLIB8 or 16 /CSB316 Exp. KSU: 8 /EMBU, 8 /CHB308 or 8 /SLIB8 or 16 /CSB316	Max. 48 (DKT Max. 32, SLT Max. 47) BKSU 1’st Port : DKT only
Speed Dial Bin	24 digits each	100 / station, 500 / system
Last Number Redial	32 digits each	10
CO Line / Station Group	12 / 10	12 / 10
Door Phone Interface	2 / MBU, 2/ EMBU (Use DPU2)	4
Music Source (Int. / Ext.)	1 + 1 / MBU	2
External Paging	1 / MBU	1
Alarm Input / External Relay Contact	1/ MBU, 1/ EMBU	2
RS-232C / USB Port	1 + 1 / MBU	2
LAN Interface	1 / LANU	1
MODEM Interface	1 / MODU	1
DTMF / Call progress tone/ Auto Fax detection	System Resource	Max. 32 ch

Item	Board	Description
BKSU	Basic Key Service Unit
EKSU	Expansion Key Service Unit
Main boards	MBU	BKSU Main Board Unit (3 LCOs, DKT & SLT Hybrid 8 ports) . Internal MOH, External MOH, External Paging, Relay Contact, Alarm Input . 1 RS-232C port for PC Admin or SMDR Print out . 1 USB port for S/W upgrade and PC Admin . Power supply unit and RGU, Battery backup circuit . 1 PFTU circuit(CO1 to STA8)
Main boards	EMBU	EKSU Main Board Unit (3 LCOs, DKT & SLT Hybrid 8 ports) . Power supply unit and RGU, Battery backup circuit . 1 PFTU circuit (CO1 to STA8)
CO Line and Extension boards	CHB308	Loop Start CO Interface Board, 3 ports DKT & SLT Hybrid Interface Board, 8 ports, 1 PFTU circuit (CO1 to STA16)
	CSB316	Loop Start CO Interface Board, 3 ports SLT Interface (+30V Feed) Board, 16 ports, 1 PFTU circuit (CO1 to SLT16)
	SLIB8	SLT Interface (+30V Feed) Board, 8 ports
Other boards	VMIU	Voice Mail Interface Board, 4 channels / 2 hours
	AAFU	Auto Attendant Function Board, 4 channels / 10 min
	MODU	Modem interface board for Remote system access
	DPU2	2 Door Phone Interface Unit
	LANU	LAN Interface board

ITEM	DESCRIPTION	SPECIFICATION
CPU		ARM7 TDMI core(32bit, 50MHz)
Switching Device		Custom Mixed-Signal ASIC Device
Memory Back-up Duration		7years
PSU	AC Voltage Input	230 +/- 10% Volt AC @47-63Hz
	AC Power consumption	90W
	AC Input Fuse	1.25A @250Volt AC
	DC Output Voltage	+5, -5, +27, +30Volt DC
External Backup Battery	Input Voltage	+24 Volt DC(+12VDC x 2ea)
	Battery Fuse	5.0A @250Volt AC
	Charging Current	Max. 200mA
	Battery Load Current	Max. 3A
Ring Signal		75Vrms, 25Hz
External Relay Contact		1A @30Volt DC
Music Source Input		0dBm @600ohm
External Paging Port		0dBm @600ohm
Ring Detect Sensitivity		30Vrms @16-55Hz
DTMF Dialing	Frequency Deviation	Less than +/-1.8%
	Signal Rise Time	5ms
	Tone Duration, on time	Min. 50 ms, Normally 100ms
	Inter-digit Time	Min. 30 ms, Normally 100ms
Pulse Dialing	Pulse Rate	10PPS
Pulse Dialing	Break/Make Ratio	60/40% or 66/33%
Operating Environment	Temperature	0 (oC) – 40 (oC)
Operating Environment	Humidity	0 - 80% (non-condensing)
Dimension	KSU	339mm(W) x 288mm(H) x 85mm(D)
Dimension	Expansion KSU	339mm(W) x 288mm(H) x 85mm(D)
Weight	KSU	1.8Kg
Weight	Expansion KSU	1.8Kg
LANU	LAN Interface	10 Base-T Ethernet (IEEE 802.3)
	Speed	10M bps
	Duplex	Half Duplex or Full Duplex (Auto-Negotiation)
MODU	Analog Modem	Bell, ITU-T, V.34 V.32BIS, V.90
	Speed	300bps up to 33Kbps speed rate
	Connection	Automatic rate negotiation
USB	Version	USB 1.0 and 1.1 compliant
	Speed	Max. 1.5Mbps
	Mode	Slave Mode

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Tổng đài LG-Ericsson Aria Soho, 9 trung kế 40 máy nhánh