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ipLDK Specification
General specification
1. Dimension and weight
| Item |
Height(mm) |
Width(mm) |
Depth(mm) |
Weight(kg) |
| KSU |
|
411 |
630 |
226 |
11.5 |
| Digital Keyset |
|
268 |
203 |
124 |
0.9 |
| Digital DSS/DLS Console |
|
154 |
175 |
111 |
0.4 |
| Digital ICM/Door Box |
|
45 |
140 |
100 |
0.5 |
| Digital Data Module |
|
37 |
175 |
148 |
1.5 |
| Base Station (GDC-330B/400B) |
|
170 |
220 |
57 |
0.46 |
| Wireless Terminal |
GDC-33xH |
145 |
50 |
35 |
0.15 |
| GDC-34xH |
131 |
49 |
32 |
0.102 |
| GDC-400H |
133 |
44 |
20 |
0.92 |
| *Digital Keyset : LDP-7024D, Digital DSS : LDP-7048DSS |
2. Environment specification
| Item |
Degrees(°C) |
Degrees(°F) |
| KSU |
0~40 |
32~104 |
| Digital Keyset |
20~26 |
68~78 |
| Digital DSS/DLS Console |
10~70 |
32~158 |
| Digital ICM/Door Box |
0~80 % non-condensing |
3.System electrical specification
| Item |
Specification |
| LDK-300 PSU |
GDK-100 PSU3 |
| 1.Power Supply |
|
| -AC Voltage Input |
110 or 220 +/ -10% Volt AC @ 48~63 Hz |
| -AC Power |
350W |
250W |
| -AC Input Fuse |
5.0 amp @ 220 Volt AC |
4.0 amp @ 220 Volt AC |
| 8.0 amp @ 110 Volt AC |
6.0 amp @ 110 Volt AC |
| -DC Output Voltage |
+ 5, -5, +30 Volt DC |
| 2.Battery Backup |
|
| -PSU Input Voltage |
24 Volt DC |
| -PSU Baettery Fuse |
12.5 amp @ 250 Volt AC |
10.0 amp @ 250 Volt AC |
| -Charging Current |
Max. 1A |
Max 0.5A |
| 3.External Relay Contact |
1 amp @ 24 Volt DC |
| 4.Music Source Input |
0dBm @ 600 ohm |
| 5.External Paging Port |
0dBm @ 600 ohm |
LDK-300 PSU-D specification
| Item |
Specification |
| DC Voltage Input |
-48 ( -42 ~ -60) Volt DC |
| DC Power |
320 W |
| DC Input Fuse |
12.5 amp @ 48 Volt DC |
| DC Output Voltage |
+5, -5, +30 Volt DC |
4.Base station specification (GDC-330B/GDC-400B)
| Item |
Specification |
| Power feeding |
+ 30 V DC |
| Tranmission Max Power |
250mW |
| Access Method/Duplex |
TDMA/TDD |
| Frequency Band |
1880 ~ 1,900 MHz |
| Channel Spacing |
1.728 MHz |
| Modulation |
GFSK |
| Data rate |
1.152 Mbps |
| Max. Base Station distance from the WTIB |
600 m (twisted 2-pair cable) |
5.Max. station distance from the system
| Item |
AWG 22 (m/kft) |
AWG 24 (m/kft) |
| Digital Keyset |
500 / 1.6 |
330 / 1 |
| Single Line Telephone |
|
| SLIB24/SLIBII/SLIB2E/DSIB |
2,500 / 8.2 |
1,600 / 5.2 |
| SLIB48 |
5,000 / 16.5 |
3,300 / 10 |
6.CO loop specification
| Item |
Specification |
| Ring Detect Sensitivity |
40 Vrms @ 16 ~ 30 Hz
30 Vrms @ 30 ~ 37 Hz |
DTMF Dialing
Frequency Deviation
Signal Rise Time
Tone Duration, on time
Inter-digit Time |
Less than + / -1.8 %
Max. 5ms
Min. 50 ms
Min. 30 ms |
Pulse Dialing
Pulse Rate
Break/Make Ratio |
10 pps
60/40% or 66/33% |
7.WHTU specification
| Item |
Specification |
| Max. Transmission Power |
250mW |
| Modulation Method |
GFSK |
| Frequency Band |
1,880 MHz ~ 1,900 MHz |
8.Specification for VOIP
| Item |
Specification |
| LAN Interface |
10/100 Base-T Ethernet (IEEE 802.3) |
| Speed |
10 Mbps or 100 Mbps (Auto-Negotiation) |
| Duplex |
Half Duplex or Full Duplex (Aoto-Negotiation) |
| VoIP Protocol |
H.323 Revision 2 |
| Voice Compression |
G.711/G.729A/G.723.1 |
| Voice /Fax Switching |
T.38 |
| Echo cancellation |
G.168 |
9.Specification for VOIBE/VOIUE
| Item |
Specification |
| LAN Interface |
10/100 Base-T Ethernet (IEEE 802.3) |
| Speed |
10 Mbps or 100 Mbps (Auto-Negotiation) |
| Duplex |
Half Duplex or Full Duplex (Aoto-Negotiation) |
| VoIP Protocol |
H.323 Revision 2 |
| Voice Compression |
G.711/G.729A/G.723.1 |
| Voice /Fax Switching |
T.38 |
| Echo cancellation |
G.165 |
10.Specification for LAN
| Item |
Specification |
| LAN Interface |
10-T Ethernet (IEEE 802.3) |
| Speed |
10 Mbps |
| Duplex |
Half Duplex or Full Duplex (Auto-Negotiation) |
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