| 1688 Accessories |
| Model |
Description |
| DU-6621CD |
4 circuit dual mode (FSK/DTMF) Caller ID card, Caller ID displayed on key phones only |
| DU-6621MC |
Remote Maintain Modem Card, for remote programming via analogue telephone line |
| DU-6621AA |
4 circuit auto attendant card (max 1 per system) |
| DU-6621HV |
12 ports hard-drive voice mail card (max 1 per system) |
| DU-6621GW |
4 line VoIP gateway card (4 channels) |
| DX-6621DP |
Door phone set includes phone and control units |
| DX-8806S |
Digital key telephone, 6 keys, hand-free, no LCD. |
| DX-8818S |
Digital Key telephone, 18 keys, hand-free, no LCD |
| DX-8818D |
Digital Key telephone, 18 keys , hand-free, 2 line display |
| DX-8830D |
Digital Key telephone, 30 keys , hand-free, 2 line display |
| DX-8850M |
Digital 48 keys DSS console |
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| DX-6621KA |
Digital Key Telephone Service Unit (KSU1) |
| DX-6621KA configuration is based upon Digital extension interface and specific board arrangement. When fully configured, capacity is up to 8 CO/44 Extension (40 Digital & 4 Analog). |
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| DX-6621HA |
Hybrid Key Telephone Service Unit (KSU1) |
| DX-6621HA is based upon an Analog Combo Interface and specific board arrangement. When fully configured, capacity is available 8 CO/24 Extensions, 3 Digital & 21 Analog). |
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| DX-6621KB |
Digital Key Telephone Service Unit-2 (KSU2) |
| Used for expansion, the DX-6621KB can be added to DX-6621KA for enhanced application and full capacity can be 16 CO/88 Extension (80 Digital & 8 Analog). |
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| DX-6621HB |
Hybrid Key Telephone Service Unit-2 (KSU2) |
| Used for expansion, the DX-6621HB is used to link with DX-6621HA for enhanced application and full capacity can be 16 CO/48 Extension (6 Digital & 42 Analog). |
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| DX-6621AT |
Analog Trunk Interface Card |
| It provides 4 analog (PSTN) trunk ports; which are designed to accept loop start lines from the CO and are fully compatible with Caller ID signaling. DU-6621AT is requested on the DX-6621KA when connecting door phone (DX-6621DP) is required. |
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| DX-6621DE |
Digital Extension Interface Card |
| It provides 8 digital extension ports; which are designed to operate with the Digital Key Telephone (DX-8806S, DX-8818S, DX-8818D, DX-8830D) and Digital Operator Console (DX-8850M). |
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| DX-6621DD |
Double Digital Extension Interface Card |
| It can provide double digital extension capacity of the DU-6621DE up to 16 ports. These ports are designed to operate with the Digital Key Telephone (DX-8806S, DX-8818S, DX-8818D, DX-8830D) and Digital Operator Console (DX-8850M). |
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| DX-6621BE |
Analog Extension Interface Card |
| It contains 4 analog extension ports for ordinary phones or single-line telephone devices. It must host only on the DX-6621KA KSU. |
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| DX-6621AE |
Analog Combination Interface Card |
| It acts as an expansion option for DX-6621HA, that contains 7 analog extension ports and 1 digital port. |
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| DX-6621CD |
4 Line Dual Mode Caller ID (FSK and DTMF) |
| It is used to receive both FSK and DTMF caller ID information from CO, and it must reside on DU-6621AT. |
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| DX-6621AA |
Voice Automated Attendant Daughter Board |
| It provides an integrated four-channel auto-attendant supporting up to 120 seconds prompt or greeting message per each channel. |
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| DX-6621MC |
Remote Mantain Modem Module |
| It provides an optional modem interface supporting baud rate up to 2400 bps for remote system programming and maintenance. |
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| DX-6621DP |
Door Phone Set |
| When a visitor presses the door phone button, a pre-assigned extension user can answer the call and talk to the visitor. |
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| VL-880 |
External Voice Mail System |
| The VL-880 is a standalone voicemail and auto-attendant unit - designed to accommodate the needs of medium to small size enterprises. It is unique in the rich functionalities, high recording storage, stability, and plug-and-play convenience. |
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DU-6621GW
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4 ports VoIP Gateway |
| A 4 ports VoIP gateway board functions as an interface between KSU and Internet, and provides phones call using Internet protocol (H.323) or SIP. It has a WAN port and four LAN ports. It also supports the functions of NAT routing and band-with control. |
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| Proprietary Key Telephone & Accessories |
| DX-8806S |
Digital 6 Keys Standard Display Phone Set |
| This model offers 26 interface keys, including 6 programmable keys with dual color LEDs. |
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| DX-8818S |
Digital 18 Keys Standard Phone Set |
| This model offers 41 interface keys, including 12 programmable keys with dual color LED and 6 programmable keys without LED, speakerphone, message waiting display, and many other feature keys. |
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| DX-8818D |
Digital 18 Keys Deluxe LCD Phone Set |
| This model offers 41 interface keys, including 12 programmable keys with dual color LED and 6 programmable keys without LED, speakerphone, message waiting display, on-hook monitoring and many other feature keys. |
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| DX-8830D |
Digital 30 Keys Deluxe LCD Display Phone Set. |
| The DX-8830D offers 53 interface keys, including 30 programmable keys with dual color LED, speakerphone, message waiting display, hands-free communication and many other feature keys. |
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| DX-8850M |
Digital Operator Console Set |
| It provides 48 programmable keys and 2 fixed keys used for monitoring status of extensions or trunks, quick access to features, or as filter keys for special applications. |
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| Specification |
| ITEM |
Description |
| Max. Capacity |
16 CO
88 Extensions |
| Intercom Paths |
Non-blocking |
| Dialing Method |
External : Tone /Pulse
Internal: Tone/Pulse
Make /Break Ratio: 40/60 |
| Dialing Conversion |
pulse to tone |
| Connections |
MDF : Stocko Connector
Paging: Conductor Jack
External Music : Conductor Jack
Loud Bell Control: Conductor Jack
SMDR/Remote Programming: RS-232 I/F port ( 9 pin D-SUB) |
| SMDR |
Detail Recording : Date, Time, Extension Number, CO line Number, Dialed Number, Call Duration, Account Code |
| DTMF Receivers |
1/ per SLT |
| Fax tone detector |
Last CO line / per 4 CO board |
| CO - CO Path (ECF) |
Yes |
| Power Failure Transfer |
First port/ per 4 CO |
| Direct Connection to External Battery |
Yes |
| Power Supply |
Switching power with input 90-260 VAC and output 24 VDC |
| Dimensions |
50 x 30 x 13 |
| Weight |
6Kgs |
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| System Capacity (Max.) |
| ITEM |
Description |
| System Speed Dialing |
100 |
| Personal Speed Dialing |
10/Ext. |
| One-Tough Dialing |
Max. 30/Ext. |
| Extension Group |
8 |
| UCD Group(w/ Hunt Group) |
24 set |
| Toll Restriction Level |
8 |
| Account Codes |
600 |
| Call Park |
Unlimited |
| Call Log (Caller ID) |
System : 100 |
| Message Waiting |
System : 200 |
| External Music Source |
1 |
| External Pager |
1 |
| Loud Bell Control |
1 |
| DSS Consoles |
12 |
| OGM (Outgoing Messages) |
120sec |
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