Toshiba Strata AirLink DK280, Installation Manual

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The RCTUB (1 or 2) or units can support
one or two cabinets; its feature capacities are listed in
Table The RCTUC or (1, 2, or 3) unit can
support one to six cabinets; its feature capacities are
also listed in Table 1-1.
1.4 Printed Circuit Boards
The system interfaces with CO lines, stations, and
peripheral devices via printed circuit boards (PCBs),
which plug into the base and expansion cabinet Slots,
and subassembly PCBs, which mount onto the plug-in
type PCBs. The Strata
can support the
following PCBs:
Station PCBs (see Table 1-2)
PDKU (Versions 1 and digital telephone
circuits. Some limitations apply to Version 1, see
Worksheet 2, Table
A.
PEKU-Eight electronic telephone circuits.
PSTU (Versions
1 ,
2)-Eight standard telephone
circuits.
standard telephone circuits.
RDSU-Two standard and four digital telephone
circuits (RSTS subassembly can be added for two
more standard telephone circuits).
PESU- Two standard and four electronic
telephone circuits.
Line PCBs (see Table 1-2)
RCOU- Four Loop Start CO lines (RCOS
subassembly can be added for four more Loop
Start lines).
RCIU- Four circuit Caller ID FSK receiver/
decoder PCBs.
PCOU-Four Loop Start CO lines.
RGLU-Four circuits that can individually be
assigned for Ground Start or Loop Start CO line
operation.
REMU-Four E&M tie lines, Type I or signaling.
PEMU- Four analog E&M tie lines, Type I
signaling only.
RDDU-Four analog Direct Inward Dialing (DID)
line circuits.
interface PCB (can have
8, 16,
or 24
channels for DID, tie, Ground Start CO, or Loop
Start CO line operation).
Console PCBs (see Table 1-2)
RATU-Provides interface for up to four attendant
consoles
or PC attendant consoles.
Option Interface PCB (see Table 1-3)
PIOU-Provides Page, Relay Control, Alarm
Sensor, Maintenance Port, SMDR, SMDI, and MIS
for ACD.
PIOUS-(see Table 1-3).
PEPU-(see Table 1-3).
RSIU-(see Table 1-3).
Optional Subassembly PCBs (see Table 1-4)
RRCS-4, 8, or 12 DTMF receiver PCB (on
RCTU).
RKYS-Feature Key 2, 3, or 4 (on RCTU).
supply PCB (on RSTU, RDSU).
RSTS-two-circuit standard telephone PCB (on
RDSU).
RCOS- four-circuit loop-start line PCB (on
RCOU).
RMDS-remote maintenance PCB (on RSIU).
interface PCB (on RSIU).
IMDU-remote maintenance PCB (on PIOU,
PIOUS).
EOCU-OCA PCB for electronic telephone PCBs
(on PEKU, PESU).
RCIS-Four-circuit Caller ID FSK
PCBs (on RCIU).
1.5 Telephones
The Strata system supports Toshiba
Proprietary Digital (DKT) and older series Electronic
Telephones Standard telephones (500 or
2500 series) and devices that require a standard
telephone line interface (fax, modem, VM, etc.) can
also be connected to
January 1996
1-2