Toshiba STRATA CTX100 Installation And Maintenance Manual page 213

Digital business telephone systems
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Secondary
Protectors
RJ45 Modular
for Circuit 1
RJ45 Modular
for Circuit 2
LED Indicators
RS-232C
Monitor Output
Figure 5-21
RBUU PCB
Figure 5-22
RBUS Subassembly
Strata CTX I&M
10/02
RBUU1A
P12
P13
Circuit 1
Circuit 2
BSY
T S
LOS
F S
Circuit 1
BSY
T S
LOS
F S
Circuit 2
P10
RBUU1A
2799
RBUS1A
P13
P12
P11
F
2800
DIN
Connector
P10
Circuit 3
BSY
T S
LOS
F S
LED Indicators
Circuit 4
BSY
T S
LOS
F S
Circuit 3
RJ45 Modular
for Circuit 3
Circuit 4
RJ45 Modular
for Circuit 4
Secondary
Protectors
P10
ISDN Interfaces
RBUU/RBUS Interface Unit
5-25

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