ISDN Interfaces
RBUU/RBUS and TBUU Interface Unit
16-32
Strata DK I&M 6/00
Figure 16-25 Location of LEDs and Connectors (RBUU/RBUS)
Table 16-15 RBUU/RBUS LED Indications
LED
Definition
LED Off
LED On
LED Blinking
BSY
Busy
Port is in idle.
Port is busy.
Port is in test mode.
TS
Time
Synchronization
Not CLK extraction port.
Secondary CLK
extraction port.
Extracting CLK port.
PSI
1
1. PSI is labeled LOS on Beta PCBs
Port Status
Indicator
Port is in LT mode.
Port is in NT mode.
AIB is received by this
port.
FS
Frame
Synchronization
Frame alignment is
established.
Frame Alignment error.
Port is trying to establish
frame alignment.
RBUU1A
RS-232C
Monitor Output
4776
RBUS1A
RJ45 Modular
for Circuit 3
RJ45 Modular
for Circuit 4
RJ45 Modular
for Circuit 1
RJ45 Modular
for Circuit 2
LED Indicators
for Circuit 1
LED Indicators
for Circuit 2
LED Indicators
for Circuit 3
LED Indicators
for Circuit 4
BSY
T S
PSI
F S
BSY
T S
PSI
F S
BSY
T S
PSI
F S
BSY
T S
PSI
F S
Summary of Contents for Strata AirLink DK40i
Page 22: ...Introduction Related Documents Media xx Strata DK I M 6 00 ...
Page 48: ...DK14 Installation DK14 Wiring Diagrams 1 26 Strata DK I M 6 00 ...
Page 220: ...DK424 Installation Remote Cabinet Installation Instructions 5 68 Strata DK I M 6 00 ...
Page 262: ...DK424i Configuration Primary Reserve Power Cabinet Hardware 6 42 Strata DK I M 6 00 ...
Page 450: ...Universal Slot PCB Wiring Option Interface PCB Wiring Diagrams 10 42 Strata DK I M 6 00 ...
Page 592: ...Peripheral Installation Enhanced 911 Service E911 12 84 Strata DK I M 6 00 ...
Page 616: ...ACD Installation Spectrum Electronic Wall Boards 13 24 Strata DK I M 6 00 ...
Page 634: ...Fault Finding Fault Isolation Flowcharts 14 18 Strata DK I M 6 00 ...
Page 704: ...ISDN Interfaces ISDN Disconnect Cause Code 16 54 Strata DK I M 6 00 ...