Alcatel-Lucent 7750 SR-a4 Installation Manual page 145

Table 58: 7750 SR-a CPM-a Connector and LED Descriptions (Continued)
Key Label/Part
9 Alarms
10 Alarms port
11 ACO/LT
12 1PPS
13 Compact
Flash
Memory
Card Slot
7750 SR-a4 and SR-a8 Installation Guide
Sub- Description
category
Critical Red: Indicates that a critical condition exists, such as a fan failure, a
power feed failure, or a critical external alarm input detected
Unlit: No critical alarm conditions
Major Red: Indicates that a serious condition exists, such as an
over-temperature condition or a major external alarm input detected
Unlit: No major alarm conditions
Minor Amber: Minor condition exists, or a minor external alarm input detected
Unlit: No minor alarm conditions
Port The alarms interface port is a D-type 15-pin receptacle. Refer to
Interface Port on page 217
— The Alarm Cutoff/Lamp Test button verifies the operability of LEDs.
When you press and hold this button for three seconds, all LEDs on all
chassis modules (see exceptions below) should temporarily illuminate
and blink until the button is released. The ACO/LT button tests the
functionality and operability of all LEDs on the chassis and components
of the chassis. If any LED does not illuminate and blink, the LED may
not be functioning correctly.
This button also turns off all external alarm relay control bits until the
next new alarm condition.
Exceptions:
The LT has no affect on:
•
•
Port Timing output with subminiature version B (SMB) connector. The 1PPS
port is reserved for future use.
Slot The CF card slot accepts Type I and Type II CF cards. It can be used to
store accounting records, logs, and TiMOS images. It can also be used to
boot the system. Refer to the 7750 SR-a Release Notes for detailed
information about the supported Compact Flash storage devices
supported on the 7750 SR-a.
for pinout assignments.
the back-lit product name, which is always on when a PSU is
installed and running
Pwr/Stat LED on the CPM
Appendix A: Connectors and LEDs
Alarms
145