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Cisco ONS 15501 Front Panel
Table 1-3
Feature
1. Output monitor (connector)
2. Output (connector)
3. Input (connector)
4. Fail (red LED)
5. Power (green LED)
6. LOS (loss of signal) (yellow LED)
7. RS-232 (connector)
8. Alarm out (connector)
9. LAN (connector)
10. Frame ground attachment
11. Dual-circuit DC power input
Cisco ONS 15501 LED Alarm Definitions
The Cisco ONS 15501 front panel has three LEDs:
•
Cisco ONS 15501 User Guide
1-8
Cisco ONS 15501 Front Panel Features
The green POWER LED turns on or off to reflect the following conditions:
On: An internal power supply is within tolerance (the Cisco ONS 15501 is powered normally).
–
Off: An internal power supply is not present or is out of tolerance.
–
Description
Provides spectrum monitoring of the Cisco ONS 15501
output and uses an SC/UPC type bulkhead connector.
(A shutter automatically closes when the cable is removed.)
Provides output to an optical fiber cable and uses an SC/
UPC type standard connector. (A shutter automatically
closes when the cable is removed.)
Provides optical fiber cable access to the input of the
Cisco ONS 15501 and uses an SC/UPC type standard con-
nector. (This is a nonshuttered connector.)
Indicates a major failure, such as the pump laser, power
supply, or the temperature level.
Indicates the unit is receiving normal operating power.
Indicates a loss of input signal when the input signal falls
below the LOS threshold.
Provides a console port for local monitoring of the
Cisco ONS 15501 and uses a DB-9 type female connector.
(See
Appendix B, "Connector
only be used for the evaluation of the unit by a trained tech-
nician. It is not designed for permanent connection.
Provides four pairs of dry contacts for an optional external
alarm-monitoring system. Normally has open contacts and
uses an RJ-45 type connector. (See
Pinouts.")
Provides Ethernet access for connecting to a remote SNMP
monitoring location, and contains two LEDs. The left LED
(green) indicates that an Ethernet connection is established.
The right LED (yellow) indicates that a signal is being trans-
mitted to the Ethernet. It uses an RJ-45 type connector.
Provides tapped-screw mounting holes for attaching a frame
ground lug and wiring.
Provides two sets of DC input barrier strip terminals. The
right-hand strip terminal is for the primary DC power
wiring; the left-hand strip terminal is for an optional backup
DC power source. The left screw terminal of each strip is for
–48 VDC; the right screw terminal is for the return path.
Chapter 1
Product Overview
Pinouts.") This port should
Appendix B, "Connector
78-14134-01, Release 1.0
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