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Strata CTX Configuration
CTX670 Processor PCBs
2-6 Strata CTX I&M 06/04
Large-scale Integrated (LSI) circuits
The processor has LSI circuits that support the following:
• BCTU provides 16 built-in DTMF receivers; 32 available using the BCTU and BEXU. For five
or more DTMF receivers, appropriate licenses are required. See “CTX670 License Control” on
page 2-7.
• BCTU provides 16 built-in Busy Tone (BT) detectors for Auto Busy Redial (ABR); 32
available using the BCTU and BEXU.
• BCTU provides 64 built-in conference circuits; up to 96 conference circuits are available using
the BCTU and BEXU. (See Table 2-7 on page 2-12 for more information).
• Built-in, adjustable, digital volume PAD technology enables audio volume to be adjusted in
eight steps to compensate for conference and/or CO line network losses.
Memory Protection Battery
If commercial AC power is lost or if a system is moved or stored without power, the processor has
an internal battery that protects data and the customer’s programmed configuration from memory
loss. This information will be maintained in a powerless system for at least six years.
Music-on-hold/Background Music Interface
An RCA jack and volume control are built into the processor to interface with a Music-on-hold
and/ or Background Music source. With the CTX670, you can have up to 15 MOH/BGM sources
by adding:
• Up to two BIOU PCBs, each provides three MOH/BGM input sources.
• An RSTU PCB that provides up to eight MOH/BGM input sources.
• MOH/BGM source volume adjustment is controlled by software programming.
SmartMedia Memory
The processor has an on-board SmartMedia card slot. A SmartMedia flash memory card can be
inserted to backup and restore customer program data. It also makes it easy to upload operating
system data for software upgrades and is used for maintenance functions.
Network Interface
The processor has an on-board Ethernet 10base-T Ethernet circuit for connection to Open
Architecture Computer Telephony Interface (CTI) applications. This provides extensive call
control and telephone support for CTI applications. The Ethernet Network Interface Card (NIC)
port also enables connection to the following:
• CTX Attendant Console
• ACD server
• Local and Remote CTX WinAdmin PC
• Soft Key Control of Voice Mail features