Toshiba DK14 Installation And Maintenance Manual page 313

Table 7-18 B5CAU Controls, Indicators, and Interface Connectors
Control/Indicator/Connector
BRCS Connector P5
BRCS Connector P6
BRCS Connector P7
Connector P3
Connector P4
BATT P9
MOH/BGM Source Connector
MOH/BGM Source Volume Control
VR1
BRCS
Connector
(J1 to P5)
B5CBU
Connector
B5CBU/RSIU
Connector
BGM/MOH
Volume Control
BGM/MOH
Interface
(RCA Jack)
Figure 7-31 B5CAU PCB
Strata DK I&M 5/00
Type of Component
16-pin male connector
6-pin male connector
10-pin male connector
Connector and ribbon
cable
Connector and ribbon
cable
3-terminal jumper
RCA jack
Trim potentiometer
UP
RTSS2
UP
CBRUNK
B5CAU1A
Step 6: BCU Processor PCBs
Description
Interface connector for optional DTMF receiver
subassembly (BRCS).
Interface connector for optional DTMF receiver
subassembly (BRCS).
Interface connector for optional DTMF receiver
subassembly (BRCS).
Ribbon cable connector to B5CBU.
Ribbon cable connector to B5CBU and RSIU.
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 B5CBU.
UP
P7
BRCS
Connectors
(J4 to P7)
P6
BRCS
Connectors
(J3 to P6)
Backplane
Connector
5021
DK424i Installation
7-51