Toshiba Strata CTX100 User Manual
Universal Slot PCBs
Functional Block Diagrams
Strata CTX General Description 11/02
23
Figure 8
CTX100 and CTX670 CO Line Side Functional Block Diagram
RDTU2
• 2T1 / DS1(24 Channels / Lines)
• Loop Start, Ground Start, Tie, DID
• Digital
• Loop Start, Ground Start, Tie, DID
• Digital
Voice
Lines
Channel
Service
Unit (CSU)
Service
Unit (CSU)
25-pair Amphenol
TOSHIBA NDTU Cable
DB15
PLL Synchronization Circuits
2
RCOU
4 Loop Start Co Lines (Analog)
RGLU2
4 Loop or Ground Start CO Lines (Analog)
RCOS
(Optional PCB on RCOU Only):
4 Loop Start CO Lines (Analog)
RCIU2
RCIS
4 Caller ID Circuits
4 Caller ID Circuits
(Two 4-Wire Modular Jacks)
MDF
(Two 4-Wire Modular Jacks)
(Two 4-Wire Modular Jacks)
(Two 4-Wire Modular Jacks)
(Two 4-Wire Modular Jacks)
1
RDDU
4 DID CO Lines (Analog)
REMU
4 E&M Tie Lines (Analog)
(REMU, Four 8-Wire Modular Jacks)
(Two 4-Wire Modular Jacks)
Secondary Protectors
2
RPTU1 or RPTU2
ISDN PRI (23B+1D channels)
Digital Voice/Data
Digital Voice/Data
Toshiba RPRI-CBL-KIT
Channel
Service
Unit (CSU)
Service
Unit (CSU)
8-wire Modular Jacks
2
ISDN BRI (U)
2 Circuits (NT-1 )
Voice/Data (2B+D)
2 Circuits (NT-1 )
Voice/Data (2B+D)
RBUU
RBUS
ISDN BRI (U)
2
Circuits
(NT-1)
Voice/Data
(2B+D)
U
3
U
3
8-wire Modular Jacks
8-wire Modular Jacks
ISDN BRI (S/T)
2 Circuits (TE)
Voice/Data (2B+D)
2 Circuits (TE)
Voice/Data (2B+D)
RBSU
NT1 per circuit
2
U
3
T
3
8-wire Modular Jacks
RMCU
Trunk Circuits for E911
RCMS 2 Trunk Circuits
RCMS 2 Trunk Circuits
CAMA Line (2-wire Modular Jacks)
CAMA Line (2-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.)
10Base-T
CTX Expansion
Cabinets
Digital
Telephone
MCK
EXTender
MCK
Gateway
IP Network
IP Network
5903
4
Central Office
Centrex
PBX
Common Carrier
Other Telephone System
E911 Public Safety Answer
Point (PSAP)
Priviate Networking Lines
Centrex
PBX
Common Carrier
Other Telephone System
E911 Public Safety Answer
Point (PSAP)
Priviate Networking Lines
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
Data and Speech Highway
QSIG networks (RPTU2)
4
Page
Scroll
Mode
Feature
Msg
Mic
Redial
Spdial
Spkr
Cnf/Trn
Hold
Vol
1. RCIU2/RCIS tip/ring cross
connected to RCOU, RCOS, or
RGLU tip/ring at MDF.
connected to RCOU, RCOS, or
RGLU tip/ring at MDF.
2. Customer-supplied equipment.
3. U, S, T, R, are ISDN reference
model termination points.
model termination points.
4. RPTU2 is required for QSIG
Networking.
Networking.
CTX / DK
BVPU
(CTX100 only)
ADKU
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