Toshiba STRATA DK14 Installation And Maintenance Manual page 238

DK424i Configuration
Functional Block Diagrams
Expansion
Cabinets
Remote Location(s)
Digital
Telephone
• Central Office
• Centrex
• PBX
• Common Carrier
• Other Telephone System
• E911 Public Safety Answer
Point (PSAP)
1. RCIU2/RCIS tip/ring cross
connected to RCOU, RCOS, or
RGLU tip/ring at MDF.
2. Customer-supplied equipment.
3. RBUU/RBUS (Release 4.3).
4. U, S, T, R are ISDN reference
model termination points.
Figure 6-5 CO Line Side Functional Block Diagram
6-18
Optical Fiber Cable 3 km/(1.86 mi.)
IP Network
MCK MCK
Extender Gateway
Remote Location(s)
Network Demarcation Point
1
MDF
Secondary Protectors
25-pair Amphenol
TOSHIBA NDTU Cable
CAMA Line (2-wire Modular Jacks)
CAMA Line (2-wire Modular Jacks)
Toshiba RPRI-CBL-KIT
NT1 per circuit
4
U
4
U
4
U
RRCU
Remote Cabinet Interface Card
10BaseT BVPU
Router
Voice Over IP Unit (4 Circuits)
PDKU
RCIU2
(Two 4-Wire Modular Jacks)
(Two 4-Wire Modular Jacks)
RCOU
4 Loop Start Co Lines (Analog)
(Two 4-Wire Modular Jacks)
(Two 4-Wire Modular Jacks)
RGLU2
4 Loop or Ground Start CO Lines (Analog)
(Two 4-Wire Modular Jacks)
RDDU
(Two 4-Wire Modular Jacks)
REMU
2
(REMU, Four 8-Wire Modular Jacks) 4 E&M Tie Lines (Analog)
RDTU2
DB15
Channel
Service
2
Unit (CSU)
RMCU
RPTU
Channel
Service
2
8-wire Modular Jacks
Unit (CSU)
2 RBSU
8-wire Modular Jacks
4
T
RBUU
8-wire Modular Jacks
8-wire Modular Jacks
4 Caller ID Circuits
RCIS
4 Caller ID Circuits
RCOS
(Optional PCB on RCOU Only):
4 Loop Start CO Lines (Analog)
4 DID CO Lines (Analog)
• 2T1 / DS1(24 Channels / Lines)
• Loop Start, Ground Start, Tie, DID
• Digital Voice Lines
PLL Synchronization Circuits
Trunk Circuits for E911
RCMS 2 Trunk Circuits
RCMS 2 Trunk Circuits
ISDN PRI (23B+1D channels)
Digital Voice/Data
ISDN BRI (S/T)
2 Circuits (TE)
Voice/Data (2B+D)
3
ISDN BRI (U)
2 Circuits (NT-1 )
Voice/Data (2B+D)
3
RBUS
ISDN BRI (U)
2 Circuits (NT-1)
Voice/Data (2B+D)
Strata DK I&M
4272
6/00