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
Содержание Strata AirLink DK40i
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