IP LDK-20 Installation Manual Introduction
6
1.4 Specifications
1.4.1 General specifications
ITEM
DESCRIPTION
SPECIFICATION
AC Voltage Input
230 +/-10% Volt AC @47-63Hz
AC Power
90W
AC Input Fuse
1.25A @ 250Volt AC
PSU
DC Output Voltage
+5, -5, +30Volt DC
AC Voltage Input
230 +/-10% Volt AC @47-63Hz
AC Input Fuse
1A @ 250Volt AC
AC Adaptor
DC Output Voltage
48Volt DC
Input Voltage
24 Volt DC
Battery Fuse
5.0A @ 250Volt AC
Charging Current
Max. 100mA
Battery Backup
Battery Load Current
Max. 3A (with Analog CO or ISDN CO)
External Relay Contact
1A @ 30 Volt DC
Music Source Input
0 dBm @ 600ohm
External Paging Port
0 dBm @ 600ohm
Ring Detect Sensitivity
30Vrms @ 16-55Hz
Frequency Deviation
Less than +/-1.8%
Signal Rise Time
Max.5ms
Tone Duration, on time
Min.50ms
DTMF Dialing
Inter-digit Time
Min.30ms
Pulse Rate
10 PPS
Pulse Dialing
Break/Make Ratio
60/40% or 66/33%
Operating Temperature
0(
℃
)-40(
℃
)
Environment Humidity 0-80%(non
condensing)
KSU 260mm(W)*410mm(H)*86mm(D)
Dimension
Expansion Module
260mm(W)*145mm(H)*86mm(D)
KSU 2.5Kg
Weight
Expansion Module
DTIM/SLIM: 1.16Kg, VOIM: 0.58Kg
LAN Interface
10 Base -T Ethernet (IEEE 802.3)
Speed 10
Mbps
LANU
Duplex
Half duplex or Full duplex (Auto-Negotiation)
Bell, ITU-T, V.34, V.32BIS, V.90
300bps up to 33Kbps speed rate
MODU Analog
modem
Automatic rate negotiation
LAN Interface
10 / 100 Base-T Ethernet (IEEE 802.3)
Speed
10 Mbps or 100 Mbps (Auto-Negotiation)
Duplex
Half Duplex or Full Duplex (Auto-Negotiation)
VOIP Protocol
H.323 Revision 2
Voice Compression
G.711/G.726/G729/G.723.1
Voice/Fax Switching
T.38
VOIM
Echo cancellation
G.165