Upgrading Strata Dk Systems To Dk424 Release 4.0 - Toshiba Strata DK Admin User Manual

Digital business telephone systems release 4
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Upgrading Strata DK Systems to DK424 Release 4.0

1. Power down the system before removing and installing the processor card(s).
shows the slot placement of the processor cards.
2. Remove only the RCTUA, RCTUBB, RCTUD, or RCTUF.
3. Remove the MOH connection, if required.
RCTUBA
Figure 25
RRCU Removal and Component Placement
4. Remove the RRCS DTMF PCB on the RCTU card, if equipped (see
RRCS
Connectors
Software
Version
R4 =
Heartbeat LED
Upgrade Label
Figure 26
RCTUA Printer Circuit
Upgrading Strata DK Systems to DK424 Release 4.0
Heartbeat LED
P2
P2
P11
P3
To RSIU if installed
RCTUD only
RCTUBB,
or
RCTUA,
RCTUC
or RCTUD
Slot R11
Slot RCTU (Base Cabinet)
P5
P4
Tone
ROM
IC12
IC17
IC15
IC16
IC18
RRCS
Connectors
P3
P2
RCTUA4
Feature Upgrade
Connectors
(not used)
Upgrading Strata DK Systems to DK424 Release 4.0
P2
P11
RCTUE
Slot R11
1394
Backplane Connector
P1
CBRUK
Program
ROMs
IC15, 16, 17,
and 18
P11
P12
To RSIU
Figure 25
Heartbeat LED
P2
P3
To RSIU if installed
RCTUF
Slot RCTU (Base Cabinet)
1924
Figures
26~29).
Install in "RCTU" Slot
RKYS
Key Socket
BGM and MOH
Interface
(RCA Jack)
BGM/MOH Volume Control
1366
151

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