Strata CTX Configuration
1-19
Strata CTX I&M September 2002
Figure 1-7 CTX100 and CTX670 Exchange Line Side Functional Block Diagram
PACU
4 AC15 Circuits
(REMU, Four 8-Wire Modular Jacks)
RCOU
4 Loop Start Exchange Lines (Analogue)
RCOS
(Optional PCB on RCOU Only):
4 Loop Start Exchange Lines (Analogue)
(Two 4-Wire Modular Jacks)
(Two 4-Wire Modular Jacks)
REMU
4 E&M Tie Lines (Analogue)
(REMU, Four 8-Wire Modular Jacks)
RPTU1 or RPTU2
ISDN PRI (23B+1D channels)
Digital Voice/Data
Channel
Service
Unit (CSU)
8-wire Modular Jacks
ISDN BRI (S/T)
2 Circuits (TE)
Voice/Data (2B+D)
RBSU
NT1 per circuit
U
1
T
1
8-wire Modular Jacks
Network Demarcation Point
Remote Location(s)
Remote Location(s)
BVPU
Voice Over IP Unit (4 Circuits)
BDKU/BDKS or PDKU
(CTX100 & CTX670) or
RRCU
Remote Cabinet Interface Card
Optical Fiber Cable 3 km/(1.86 mi.)
10BaseT
CTX Expansion
Cabinets
Digital
Telephone
MCK
Ext en d e r
MCK
Gateway
IP Network
IP Network
5903
4
Central Office
PBX
Common Carrier
Other Telephone System
Private Networking Lines
•
•
•
•
•
•
•
•
Data and Speech Highway
QSIG networks (RPTU2)
2
Page ScrollMode Feature
Msg
Mic Redial
Spdial
Spkr
Cnf/Trn
Hold
Vol
1. U, S, T, R, are ISDN reference
model termination points.
2. RPTU2 is required for QSIG
Networking.
CTX / DK
BVPU
(CTX100 only)
ADKU
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