Toshiba CTX28 用户手册

Chapter 7 – ISDN Interfaces

ASTU – Standard Telephone Interface Unit (CTX100 only) .............................................................6-4

ASTU Installation .........................................................................................................................6-4
ASTU1 Wiring  .............................................................................................................................6-4

BDKU/BDKS – Digital Telephone Interface Unit  .............................................................................6-7

BDKU Hardware Options  ............................................................................................................6-7
BDKS ............................................................................................................................................6-7
BDKU Installation ........................................................................................................................6-7

BIOU – Option Interface Units  ...........................................................................................................6-9

BIOU Installation  .........................................................................................................................6-9

BSTU/RSTU – Standard Telephone Interface Unit ..........................................................................6-11

R48S -48 Volt Supply Subassembly Installation  .......................................................................6-11
BSTU/RSTU Installation ............................................................................................................6-11

BVPU – Internet Protocol (IP) Interface Unit ...................................................................................6-15

BVPU Configuration  ..................................................................................................................6-15
BVPU Installation .......................................................................................................................6-15

BWDKU1A – Digital Telephone Interface Unit  ..............................................................................6-17

BWDKU1A Installation  .............................................................................................................6-17

Programming .....................................................................................................................................6-18
PDKU2 – Digital Telephone Interface Unit ......................................................................................6-19

PDKU2 Hardware Options  .........................................................................................................6-19
PDKU2 Installation  ....................................................................................................................6-19

RCIU1, RCIU2, RCIS – Caller ID Interface .....................................................................................6-20

RCIS PCB ...................................................................................................................................6-20
RCIU1/RCIS or RCIU2/RCIS Installation .................................................................................6-20

RCOU3A, RCOS3A – Four-Circuit Loop Start CO Line Interface Unit  .........................................6-22

RCOS Installation (Internal Option) ...........................................................................................6-22
RCOU Installation  ......................................................................................................................6-25

RDDU – Direct Inward Dialing Line Interface Unit  ........................................................................6-28

RDDU Installation ......................................................................................................................6-28

RDSU – Digital/Standard Telephone Interface Unit  ........................................................................6-30

Installing R48S Ring Generator (Internal Option)  .....................................................................6-30
Installing RSTS (Internal Option)  ..............................................................................................6-30
RDSU Installation .......................................................................................................................6-30

RDTU2 – T1 Interface Unit  ..............................................................................................................6-32
REMU2A – Tie Line Unit .................................................................................................................6-32

REMU2A and REMU Installation  .............................................................................................6-32
PEMU Installation  ......................................................................................................................6-32

RGLU2 – Loop/Ground Start CO Line Interface Unit  .....................................................................6-36

RGLU2 Installation  ....................................................................................................................6-36

RMCU/RCMS – E911 CAMA Trunk Direct Interface  ....................................................................6-38

RCMS Subassemblies Installation ..............................................................................................6-38
RMCU Installation  .....................................................................................................................6-39

Network Requirements ......................................................................................................................6-42

PRI Overview ......................................................................................................................................7-1
BRI S/T Overview ...............................................................................................................................7-1
BRI U Overview  .................................................................................................................................7-1

Strata CTX ISDN Reference Model .............................................................................................7-2