Toshiba strata CT Installation & Maintenance Manual page 28

Strata CT Configuration
Expansion
Remote Location(s)
Digital
Telephone
• Exchange Lines
• PBX
• Common Carrier
• Other Telephone System
H
C
Figure 1-5 Exchange Line Side Functional Block Diagram
1-14
Cabinets
Optical Fiber Cable 3 km/(1.86 mi.)
ISDN or IP
Network
MCK MCK
Extender Gateway
Remote Location(s)
Network Demarcation Point
NT1 per circuit
U
RRCU
Remote Cabinet Interface Card
10BaseT BVPU
Router
Voice Over IP Unit (4 Circuits)
PDKU
PEMU
4 E&M Tie Lines (Analogue)
PACU
4 AC15 Tie Lines
RPTU
Channel
Service
Unit (CSU)
8-wire Modular Jacks
RBSU
8-wire Modular Jacks
T
PCOU
(Analogue Exchange lines)
ISDN PRI (30B+2D Channels)
Digital Voice/Data
ISDN BRI (S/T)
2 Circuits (TE)
Voice/Data (2B+D)
4272 CT I&M
Strata CT I&M Manual October 2000