Shelf Manager ACB-VI
Shelf Manager and Shelf Alarm Panel
11
R1.2, March 2018
6 Shelf Manager and Shelf Alarm Panel
Some Shelf Manager I/O function have been moved to a separate Board called a Shelf Alarm
Panel (SAP). The SAP provides the RJ45 Serial Console connectors, Telco Alarm Interface, user
definable LEDs and custom specific I/Os for the Shelf Manager. Only the active Shelf Manager
has access to the SAP and can control the Alarms. The advantage of this approach is that the
SAP is separated from the Shelf Manager and can be located at a position at the Chassis that
is easy to reach and operate by service personnel.
The figure below shows the interconnection between the Shelf Managers and the SAP. Please
note that the design of the SAP is Shelf dependent. Please see your Shelf User Manual for the
actual SAP-implementation in your Shelf.
Please see chapter „Telco Alarms“ for detailed information concerning the Telco Alarm
interface and the user definable LEDs.
Figure 9: Connection between Shelf Manager and SAP
SERIAL 1
USER 1
SERIAL 2
USER 2 USER 3
MINOR
MAJOR
CRITICAL
Pri
ma
ry
S
h
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f
M
a
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a
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ShMM-700R
CH0
SILENCE
Telco Alarm
S
AP
Alarm LEDs
User LEDs
I2C3
UART0
LTC4300
LTC4300
PCA9543
Ch4
Filter
Se
cond
a
ry
S
h
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f
M
a
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g
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ShMM-700R
CH0
I2C3
UART0
LTC4300
LTC4300
PCA9543
Ch4
Filter