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Strata CTX
Configuration
Strata CTX Configuration
Universal Slot PCBs
Strata CTX I&M 06/04 2-15
Digital Telephone Interface Unit (BWDKU1A)
Provides 8 or 16 digital telephone circuits. Compatible
with Strata CTX and Strata DK. Jumper plugs on the
PCB determine the number of DKT circuits and CTX or
DK compatibility. It does not need a Ferrite Core. It has
one protector for every two circuits. The BWDKU1A is
similar to BDKU/BDKS, except DKT wiring is all 1 pair.
Interface Options: Digital telephones (with or without
BHEU or HHEU, DVSU, DADMs, or digital cordless
telephone)
Stand-alone digital cordless telephone
DDSS console
DDCB
Internet Protocol Telephone (IPT) Interface Unit (BIPU-M1A, BIPU-M2A)
Provides 16 IPT telephone circuits
One 100Base-TX RJ45 port
Built-in Digital Signal Processor (DSP) (BIPS1A-16)
One RS-232 maintenance port
Network Address Translation (NAT) compatible for
remote IP telephones (BIPU-M2A)
Enhanced version of MEGACO+ for Voice over IP
MEGACO+ mobility for Mobility Communications
System (MCS) Roaming (BIPU-M2A)
Interface Options: LAN, Virtual Private Network (VPN)
Internet, VPN WAN, Intranet.
Digital/Standard Telephone Interface Unit (RDSU)
Without RSTS, provides:
Two standard telephone/
Four digital telephone circuits (2000-series phones
only).
With RSTS, provides:
Four standard telephone/
Four digital telephone circuits (2000-series phones
only).
Interface Options:
Digital – same as PDKU.
Standard – same as RSTU (standard Message Waiting
not available)
Standard Telephone Interface Unit (BSTU, RSTU3)
Provides eight standard telephone circuits. Stutter dial
tone is provided for Message Waiting audible indication.
Interface Options:
Standard telephones
Voice mail ports
Off-premises stations
Other similar devices
Alternate BGM source
Auto Attendant digital announcer
Message Waiting lamp
Fax machines
ACD announcer
Standard Telephone Subassembly (RSTS)
Attaches to RDSU. Provides two additional standard
telephone circuits. One maximum per RDSU.
Interface Options: Same as RSTU, except no Message
Waiting lamp.
-48 Volt Supply Internal Option (R48S)
Attaches to BSTU, RSTU and RDSU
48VDC circuit for up to eight standard telephone circuits.
Interface Options: Optionally interfaces to the RSTU and
RDSU to extend loop length of standard telephones from
600 ohms to 1200 ohms. Required for OPS operation.
Stratagy DK
Provides two, four, six, or eight VM ports.
All of the above Stratagy DK systems use eight station
ports of Strata CTX capacity.
Table 2-8 Station PCBs
(continued)