Toshiba CTX28 manual Digital Telephone Interface Unit BWDKU1A, Interface Options, Stratagy DK

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

Strata CTX I&M 06/04 2-15