Strata Dk280 Printed Circuit Boards (Pcbs) - Toshiba Strata DK 280 Installation Manual

Table 1-2

Strata DK280 Printed Circuit Boards (PCBs)

I
CIRCUITS PER PCB
PCB
8 Digital Telephone Circuits
PDKU
RDSU Without RSTS:
2 Standard Telephone
4 Digital Telephone Circuits
With RSTS:
4 Standard Telephone
4 Digital Telephone Circuits
8 Standard Telephone Circuits
or
PSTU
2 Standard Telephone /
PESU
4 Electronic Telephone Circuits
4 PC Attendant PC Console Circuits
Without RCIS Subassembly:
4 circuits
With RCIS: 8 circuits
Without RCOS Subassembly:
With RCOS:
8 Loop Start Line Circuits
4 Line Circuits
RGLU
(Loop Start or Ground Start Lines)
4 CO Line Circuits
PCOU
4 Direct Inward Dialing Circuits
RDDU
-
- -
or
1 8, 1 16, 1
RDTU
depending on system programming
4 Tie Line Circuits
REMU
or
PEMU
See Table 1-3
PIOU,
PIOUS,
PEPU
RSSU
Up to 4 interface ports when installed
with the optional RSlS or RMDS
piggy-back PCBs
2. REMU only, not available on PEMU.
3. RSTU2 is required to provide the Message Waiting Lamp function for standard telephones
4. System Open Architecture is available with DK280 Release 3.2.
January 1996
Digital Telephones with or without
RPCI-DI, DVSU, ADMs or Digital
Cordless Telephone
Stand-alone Digital Cordless Telephone
DDSS Console
PDIU-DS
DDCB
Digital: Same as PDKU, except no
I DDSS Console
Standard: Same as RSTU
(Standard Telephone Message
I Waiting (MW) Not Available)
Auto Attendant and ACD announcement devices
Standard Telephones
Voice Mail Ports
Alternate Background Music Source
Off-premises Stations
Electronic Telephones
HDSS Console
Alternate Background Music Source
External Conference Amplifier
HDCB
Standard: Same as RSTU or PSTU (No MW)
Electronic: Same as PEKU except
PESU does not support HDSS
Console
PC Attendant Console
Conventional Attendant Console
Analog Loop or Ground Start Lines with Caller ID
Requires: RCOU, RCOS, RGLU or
PCOU
Loop Start Lines
or
Loop
Loop Start Lines
Loop Start Lines
24 Channels (lines)
Ground Start Lines
Tie Lines (Wink or Immediate)
DID Lines (Wink or Immediate)
E & M Tie Lines
2- or 4-wire transmission
Type I Signaling
Type II Signaling2
Immediate Start
Wink Start2
See Table 1-3
SMDR printer
PC or maintenance terminal (local or remote)
System Open Architecture4
INTERFACES
Ground Start Lines
or
call accounting machine
CONNECTOR
25-Pair Amphenoll
25-Pair Amphenoll
25-Pair Amphenoll
25-Pair Amphenol'
25-Pair Amphenol'
25-Pair Amphenol'
2-Pair Amphenol'
REMU (8-wire Modular Jack)
USOC RJI CX Modular, 2- or
PEMU (6-wire Modular Jack)
USOC RJ2EX-2 wire
USOC RJ2GX-4 wire
25-Pair Amphenol
(PIOU or PEPU)'
Spring Clip Terminal (PIOUS)
Two 3-pair Modular
3-pair Modular
1-7