Toshiba Strata DK 280 Installation Manual page 128

Digital business telephone system
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Table 4-7
DTMF Receiver Connector P2
DTMF Receiver Connector P3
DTMF Receiver Connector P4
DTMF Receiver Connector P5
BATT Battery Jumper P8
Future Feature
Upgrade Connector P I 1
Future Feature
Upgrade Connector P I 2
Control
Heartbeat Indicator CDl1
RRCS
CONNECTORS
IDENTIFIES
ROM VERSlOh
HEARTBEAT LED
Figure 4-10
4-1
4
Type of Component
10-pin male connector
6-pin male connector
1
0-pin male connector
6-pin male connector
3-terminal jumper
RCA jack
Connector for ribbon
cable
Connector for ribbon
cable
Trim potentiometer
Red LED
.........
P4
TONE
ROM
PROGRAM
AND 18
CONNECTORS
FEATURE UPGRADE
CONNECTORS
(NOT USED)
3)
Description
Interface connector for optional DTMF
Receiver subassembly (RRCS).
Used in conjunction with P3, P4, and P5.
Interface connector for optional DTMF
Receiver subassembly (RRCS).
Used in conjunction with P2, P4, and P5.
Interface connector for optional DTMF
Receiver subassembly (RRCS).
Used in conjunction with P2, P3, and P5.
Interface connector for optional DTMF
Receiver subassembly (RRCS).
Used in conjunction with P2, P3, and P4.
Interface connector for on-board lithium
battery that protects configuration data
stored in system RAM.
Interface connector for MOH/BGM source.
Connector for connection with future
feature upgrade PCB.
Connector for connection with RSlU
PCB. (see Figure 4-31)
Adjusts volume for MOH/BGM source
connected to RCTUA3.
Flashes
to
indicate operation (114 second
on-1/4 second off).
CKPLANE CONNECTOR
C
-
INSTALL IN "RCTU" SLOT
3
CBRUK
1
-
RKYS ( I A )
KEY SOCKET
BGM AND
MOH
INTERFACE
(RCA JACK)
BGM /
MOH
VOLUME CONTROL
January
1996

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