Toshiba Strara CTX Series Installation And Maintenance Manual page 33

CTX Expansion
Cabinets
Remote Location(s)
Mode Page Scroll Feature
Extender
Msg Spdial
Vol
Mic Redial
Spkr Cnf/Trn Hold Remote Location(s)
Digital
Telephone
• Central Office
• PBX
• • Common Carrier
• • Other Telephone System
• • Private Networking Lines
1. U, S, T, R, are ISDN reference
model termination points.
2. RPTU2 is required for QSIG
Networking.
Figure 1-7 CTX100 and CTX670 Exchange Line Side Functional Block Diagram
Strata CTX I&M September 2002
Optical Fiber Cable 3 km/(1.86 mi.)
CTX / DK
IP Network
BVPU
MCK
IP Network
Network Demarcation Point
4
(REMU, Four 8-Wire Modular Jacks)
(REMU, Four 8-Wire Modular Jacks)
Channel
Service
Unit (CSU)
NT1 per circuit
1 1
U T
RRCU
Remote Cabinet Interface Card
10BaseT
BVPU
Voice Over IP Unit (4 Circuits)
MCK BDKU/BDKS or PDKU
Gateway
(CTX100 & CTX670) or
ADKU
RCOU
4 Loop Start Exchange Lines (Analogue)
(Two 4-Wire Modular Jacks)
RCOS
(Two 4-Wire Modular Jacks)
4 Loop Start Exchange Lines (Analogue)
REMU
4 E&M Tie Lines (Analogue)
PACU
4 AC15 Circuits
RPTU1 or RPTU2
8-wire Modular Jacks
RBSU
8-wire Modular Jacks
Strata CTX Configuration
(CTX100 only)
(Optional PCB on RCOU Only):
ISDN PRI (23B+1D channels)
Digital Voice/Data
2
QSIG networks (RPTU2)
ISDN BRI (S/T)
2 Circuits (TE)
Voice/Data (2B+D)
5903
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