АТС ipLDK-100

ipLDK-100 Catalogue | Documentation and software

Telecommunication system ipLDK is the generation of KTS Ericsson-LG with IP technology support. ipLDK was developed for small and medium business enterprises, it has all the features of LDK system and suggests new additional opportunities provided by the new software.
ipLDK was developed taking into account the wishes of the dealers and users. The KTS is russified, easy to install and compatible with the local networks.

Competitive advantages of ipLDK:
• Soft and affordable transition to ip-solution
• New features (integration with mobile phones, Teleworker and Business traveler)
• Using the data network as part of the telephone network (VoIP)
• Computer Telephony Integration (CTI)
• Advanced software with additional advanced features
• New multi-function terminals
• Affordable prices

ipLDK can work with:
• digital stations series LDP, LKD and KD/E;
• SLT any brand with tone or pulse dialing;
• fax machines and fax modems;
• personal computers;
• ip phones series LIP.
• Remote Service Gateway (RSG)



PSU +5V -5V +30V Battery
LDK-100 PSU 4A 0.5A 3A 0.5A

Dimension and weight

Item Height(mm) Width(mm) Depth(mm) Weight(kg)
KSU 406 440 230.5 13.2
Digital Keyset 236 192 84 1.5
Digital DSS/DLS Console 236 125 62 0.9
Digital ICM/Door Box 45 140 100 0.5
Digital Data Module 37 175 148 1.5
Base Station(GDC-330B) 170 220 57 0.46
Wireless Terminal GDC-33xH 145 50 35 0.15
Wireless Terminal GDC-340H 131 49 32 0.102

Environment specification

Item (°C) (°F)
Operation Temperature 0~40 32~104
Optimum Operation Temperature 20~26 68~78
Storage Temperature 10~70 32~158
Relative Humidity 0~80% non-condensing

System Electrical specification

Item Specification
1. PSU
AC Voltage Input 110 or 220 +/- 10% Volt AC @48~63Hz
AC Power 127W
AC Input Fuse 4.0 amp @ 220Volt AC
8.0 amp @ 110Volt AC
DC Output Voltage + 5, - 5, + 30Volt DC
2. Battery Backup
PSU Input Voltage 24Volt DC
PSU Battery Fuse 10.0amp @250Volt AC
Charging Current Max. 0.5A
3. External Relay Contact 1amp @24Volt DC
4. Music Source Input 0dBm @600ohm
5. External Paging Port 0dBm @600ohm

Base Station Specification (GDC-330B)

Item Specification
Power feeding +30V DC
Transmission Max Power 250mW
Access Method/Duplex TDMA/TDD
Frequency Band 1,880 ~ 1,900MHz
Channel Spacing 1.728MHz
Modulation GFSK
Data rate 1.152Mbps
Max. Base Station distance from the WTIB 600m (twisted 2-pair cable)

Max. Station Distance from the System

Item AWG 22 (m) AWG 24 (m)
Digital Keyset
500 330
Single Line Telephone



CO loop specification

Item Specification
Ring Detect Sensitivity 40Vrms @16~30Hz
30Vrms @30~37Hz
DTMF Dialing
Frequency Deviation
Signal Rise Time
Tone Duration, on time
Inter-digit Time
Less than +/- 1.8 %
Max. 5ms
Min. 50ms
Min. 30ms
Pulse Dialing
Pulse Rate
Break/Make Ratio
10 pps
60/40% or 33%

SWHTU specification

Item Specification
Max. Transmission Power 250mW
Modulation Method GFSK
Frequency Band 1,880MHz ~ 1,900MHz

Specification VoIP (VOIB/VOIU)

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(Auto-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

Specification for LANU

Item Specification
LAN Interface 10-T Ethernet(IEEE 802.3)
Speed 10Mbps
Duplex Half Duplex or Full Duplex(Auto-Negotiation)