Toshiba STRATA DK14 Installation And Maintenance Manual page 308

DK424i Installation
Step 6: BCU Processor PCBs
Table 7-13 B1CU Controls, Indicators, and Interface Connectors
Control/Indicator/Connector
Serial Interface Connector P12
DTMF Receiver Connector P3
DTMF Receiver Connector P4
DTMF Receiver Connector P5
BATT Battery Jumper P8
MOH/BGM Source Connector
MOH/BGM Source Volume Control
VR1
RSIU
Connector
BGM/MOH
Volume Control
BGM/MOH
Interface
(RCA Jack)
Figure 7-26 B1CU PCB
7-46
Type of Component
Ribbon connector.
16-pin male connector
10-pin male connector
6-pin male connector
3-terminal jumper
RCA jack
Trim potentiometer
BRCS
Connector
(J1 to P3)
TOSHIBA
RKYS_A
B1CAU
Serial interface unit connector.
Interface connector for optional DTMF receiver
subassembly (BRCS).
Interface connector for optional DTMF receiver
subassembly (BRCS).
Interface connector for optional DTMF receiver
subassembly (BRCS).
Interface connector for on-board lithium
battery that protects configuration data stored
in system RAM.
Interface connector for MOH/BGM source.
Adjusts volume for MOH/BGM source
connected to RCTUA.
UP
IC8
P4
IC12
P5
CBRUNK
RKYS Feature Key
Description
BRCS
Connector
(J4 to P4)
BRCS
Connector
(J3 to P5)
Backplane
Connector
5029
Strata DK I&M 6/00