
GDK-100
DIGITAL KEY TELEPHONE SYSTEM
iv
2.4.10.2 AC15 Board(AC15 private Line Interface Board) - UK ............................................23
2.4.10.3 EMIB (E&M Tie Line Board) -Korea.........................................................................24
2.4.10.4 DIDB (Direct Inward Dialing Board) -Korea .............................................................24
2.4.10.5 BWDIDB (Both-way Direct Inward Dialing Board) - New Zealand ..........................25
2.4.11 ISDN
Boards ............................................................................................................26
2.4.11.1 ISDN PRIB (Primary Rate Interface Board).............................................................26
2.4.11.2 ISDN BRIB (Basic Rate Interface Board: T interface only) .....................................26
2.4.11.3 ISDN STIB (S/T Basic Rate Interface Board: switchable S/T interface) .................27
2.4.11.4 E1IB (E1(CEPT) Interface Board) ...........................................................................28
2.4.12 Add-on
boards .........................................................................................................29
2.4.12.1 MEMU (Memory Expansion Unit) ............................................................................29
2.4.12.2 SMEMU (Security Memory Expansion Unit)............................................................30
2.4.12.3 MODU (Modem Unit) ...............................................................................................30
2.4.12.4 PLLU (Phase Locked Loop Unit) .............................................................................31
2.4.12.5 SIU (Serial Interface Unit)........................................................................................31
2.4.12.6 DTRU/DTRU II (DTMF Receiver Units)...................................................................31
2.4.12.7 MSGU/MSGU48/MSGU II (Message Wait Units) ....................................................32
2.4.12.8 CPTU (Call Progress Tone Detection Unit: CPTU/A, CPTU/B)...............................32
2.4.12.9 CMU (Call Metering Unit).........................................................................................32
2.4.12.10 DMEU/DMEU4 (DRAM Memory Expansion Units) .................................................33
2.4.12.11 ADPU (ADPCM unit)................................................................................................33
2.4.13 Keyset
&
Terminals ..................................................................................................34
2.4.13.1 Digital Keysets and Terminals .................................................................................34
2.4.13.2 Electronic Keysets and Terminals............................................................................36
2.4.13.3 MOHU (Music On Hold Unit) ...................................................................................36
2.4.13.4 2B-module ...............................................................................................................38
2.4.13.5 GDK-PC PHONE (CTI)............................................................................................39
2.4.14
Cables (5MC1, 5MC2) .............................................................................................40
2.4.15
BRI Line Termination Board (GDK-162/100 TERM: 2923NP1656A) ......................40
2.4.16 Trace
Tool
(GDK-TRC1) ..........................................................................................40
2.4.17
Test Accessories For The Purpose Of Test. ............................................................41
SECTION 3. INSTALLATION
3.1 INTRODUCTION
.....................................................................................................48
3.2 SITE
PREPARATION
..............................................................................................48
3.2.1 General
Site
Consideration......................................................................................48
3.2.2 Back-Board
Installation............................................................................................49
3.2.3 Verify
On-Site
Equipment ........................................................................................49
3.3 KSU
INSTALLATION
..............................................................................................50
3.3.1 Mounting
BKSU/SBKSU ..........................................................................................50
3.3.2 Mounting
EKSU .......................................................................................................50
3.3.3 RGU
Installation.......................................................................................................57
3.3.4 KSU
Grounding........................................................................................................58