Toshiba Strata Ctx100, Ctx670 General Description Manual

Capacities
CTX100 Maximum Capacity Configuration Examples
Strata CTX General Description    06/0317
Table 11 CTX100 Base and Expansion Digital Telephones and with T1 and/or PRI lines
Ta b l e  1 2CTX100 Base Cabinet Only with Analog Tie, DID and /or Ground Start Lines 
Table 13 CTX100 Base and Expansion Cabinet with Analog Tie, DID and/or Ground Start Lines
8 Universal Slots
72 Stations (Max.)
64 lines (Max.)
112 Stations + T1 and/or PRI lines
combined (Max.)
StationsT1 and/or PRI lines1 
1. PRI lines...

Capacities
CTX100 Maximum Capacity Configuration Examples
18Strata CTX General Description    06/03 

Strata CTX General Description    06/0319
Universal Slot PCBs4
Universal Printed Circuit Boards (PCBs) installed in the Strata CTX100 or CTX670 cabinets 
provide interfaces for stations, lines, and peripherals. Each PCB measures 7.5 x 5.5 inches (190 x 
140 mm) and mounts in the slot with a 44-pin backplane connector. PCB external connections to 
station equipment are made to the Main Distribution Frame (MDF) using industry-standard 
connectors.
Station, Line and Option PCBs
The PCBs are categorized as...

Universal Slot PCBs
Station, Line and Option PCBs
20Strata CTX General Description    06/03
Digital Telephone Interface Unit (PDKU2)
Provides eight digital telephone circuits. (2000-series 
phones only. Do not use the PDKU for 3000-series 
digital telephones. With 3000-series DKTs, the LCD 
display is only 16 characters wide and the 

 
button will not work.
Interface Options: Digital telephones (with or without 
BHEU or HHEU, DVSU, DADMs, or digital cordless 
telephone)
Stand-alone digital cordless...

Universal Slot PCBs
Station, Line and Option PCBs
Strata CTX General Description    06/0321
 
Table 15 CO Line PCBs   
Strata Net Over VoIP Interface Unit (BIPU-Q1A)
Provides 16 IP QSIG channels
One 100Base-TX RJ45 port
One RS-232 maintenance port
QSIG over IP standard protocol (ECMA-336)
Voice coding G.711/G.729A
Built-in Digital Signal Processor (DSP) (BIPS1A-16)
NAT compatible
Interface Options: LAN, Virtual Private Network (VPN) 
Internet, VPN WAN, Intranet.
Internet Protocol (IP) Interface Unit...

Universal Slot PCBs
Station, Line and Option PCBs
22Strata CTX General Description    06/03
ISDN U-type Basic Rate Interface Unit (RBUU)
Provides two ISDN BRI, U point circuits (2B+D each). 
Host for the RBUS.Interface Options: Network and/or station side. Network 
side requires a dealer-supplied NT1 interface.
Basic Rate Interface Subassembly (RBUS)
Attaches to RBUU. One RBUS subassembly per 
RBUU.
Two ISDN BRI, U point circuits (2B+D each) 
subassembly for the RBUU.
Interface Options: Network and/or...

Universal Slot PCBs
Functional Block Diagrams
Strata CTX General Description    06/0323
Functional Block Diagrams
The Functional Block Diagrams show the PCBs and interface connectors used for connecting the 
stations and peripherals (see Figures 6~9).
Figure 6 CTX100 System Processor and Option Interface PCBs
Data and Speech Highway
6752
ACTUProcessor PCB
(one or two per system)
Relay ContactsVirtual slot 09
ASTU
Relay Contact (Programmable)
RCA Jack (600 ohm Page Output)
MOH/BGM
RCA Jacks
Battery...

Universal Slot PCBs
Functional Block Diagrams
24Strata CTX General Description    06/03
Figure 7 CTX670 System Processor and Optional Interface PCBs
Data and Speech Highway
5413
BECUProcessor PCB
BBCUProcessor PCB
Interface PCB
Relay Contacts, Page Output
Music Source: External Zone Page
Background Music
Door Lock Control Relay
External Zone Page Relays (4 Zones)
External Page Amplifier (600 ohm Output)
Main Distribution
Frame (MDF) Night Bell Control RelayBattery Charger12V
Battery
12V
Battery
(2 or 4...

Universal Slot PCBs
Functional Block Diagrams
Strata CTX General Description    06/0325
Figure 8 CTX100 and CTX670 CO Line Side Functional Block Diagram
RDTU2 or RDTU3 •  2T1 / DS1(24 Channels / Lines)
  Loop Start, Ground Start, Tie, DID
 Digital Voice Lines Channel
Service
Unit (CSU) 25-pair Amphenol
TOSHIBA NDTU Cable
DB15
PLL Synchronization Circuits
2
RCOU34 Loop Start Co Lines (Analog)
RGLU2, RGLU34 Loop or Ground Start CO Lines (Analog)
RCOS (Optional PCB on RCOU Only):4 Loop Start CO Lines...

Universal Slot PCBs
Functional Block Diagrams
26Strata CTX General Description    06/03
Figure 9 CTX100 and CTX670 Station Side Functional Block Diagram
S3R3
S3
U3
U3
RBSU 
2B+1D/Circuit
(2-NT Circuits)
RBUU2B+1D/Circuit
(2-LT Circuits)
1 11 1
1
2
1
1
RDSU4
4 Digital Telephone Circuits
2 Standard Telephone Circuits
ADKU8 Digital Telephone Circuits (max).
(CTX100 only)
BDKU 8 Digital Telephone Circuits and
BDKU/BDKS 16 Digital Telephone Circuits
RSTS(Option PCB)
2 Standard 
Telephone 
CircuitsR48S(Option...