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ADCP-75-210 • Issue 1 • March 2007
REF #
DESIGNATION
4
RST
5
POST
6
ENET
7
VIDEO
1.7.3
System Interface (STF2) Module
The System Interface (STF2) Module is a cPCI electronic module that provides the CPU and
other electronic modules with the ability to communicate with one another using the four I2C
buses on the cPCI backplane. One STF2 is used per RAN. The STF2 also has the GPS antenna
input port located in the center of the module faceplate. STF2 modules are specified according
to the number of qualifying communications devices being utilized.
module faceplate components.
REF #
DESIGNATION
1
RST
2
STATUS 1
3
STATUS 2
4
STATUS GPS
5
DA
6
GPS
7
RECT
8
(Unmarked)
9
(Unmarked)
10
FLT
Page 14
© 2007, ADC Telecommunications, Inc.
Table 5. CPU Module Faceplate Components
DEVICE
Recessed switch
Single-color LEDs
(yellow)
RJ-45 connector with
single-color LEDs (green
and yellow)
15-PIN VGA connector
Figure 10
Table 6. System Interface Module Faceplate Components
DEVICE
FUNCTIONAL DESCRIPTION
Recessed switch
Reset. Used to halt operation of the CPU operating system. A
power ON reset is required to restart the CPU
Single-color LED
Reserved for future use. Indicator turns yellow when the CPU is
(yellow)
not installed or has malfunctioned
Single-color LED
Reserved for future use. Indicator turns yellow when the CPU is
(yellow)
not installed or has malfunctioned
Single-color LED
Indicator showing that 1PPS signal is available. Led toggles once
(green)
per second (RAN only)
RJ-45 connector
Door Alarm. Input using cable 1001474P001; small LED on this
connector lights (red) when door is open
RJ-45 connector
Not used
RJ-45 connector
Rectifier. Communications to rectifier using cable 1001476P001
Single-color LED
I2C Error LEDs. One on each I2C RJ-45 connector. Indicator turns
(red)
red when there is no response on port
Single-color LED
I2C Comm LEDs. One on each I2C RJ-45 connector. Indicator
(green)
turns green when an I2C message sent on the port
Single-color LED
Fault. Indicator turns red when module has failed or upon startup
(red)
until the module has completed initialization
FUNCTIONAL DESCRIPTION
Reset. Used to manually reset the CPU
Post. Top four LEDs give status of CPU during initial
boot process; bottom four give board operation status
Ethernet. 10 BaseT. Connects to RJ-45 connector on
SIF module (10BT port) using cable 1001478P001.
Connection status (green) and 100 BT (yellow)
Video. Not used by Digivance system
shows the location of the faceplate components.
Table 6
describes the
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