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After you have installed the Cisco 6100 modules and wired up your particular configuration, you must apply power and check each module's status indicators. The following sections discuss the status indicators on each 6100 module front panel.
The following is an illustration showing the line interface module (LIM) front panel status indicators and a table describing their functions.

| LED | State | Function |
|---|---|---|
STATUS | Green Blinking | Self-test in progress |
LINE 1 | Green Blinking | LIM port is detecting Digital Off-Hook (DOH) but is not configured with a subscriber or the configured subscriber is locked |
LINE 2 | Green Blinking | LIM port is detecting DOH but is not configured with a subscriber or the configured subscriber is locked |
LINE 3 | Green Blinking | LIM port is detecting DOH but is not configured with a subscriber or the configured subscriber is locked |
LINE 4 | Green Blinking | LIM port is detecting DOH but is not configured with a subscriber or the configured subscriber is locked |
The following is an illustration showing the ATU-C front panel status indicators and a table describing their functions.

| LED | State | Function |
|---|---|---|
STATUS | Green Blinking | Self-test in progress |
ACTIVE | Green | Module is activated |
ATU-C1 | Green | Modem 1 is trained |
ATU-C2 | Green | Modem 2 is trained |
The following is an illustration showing the LIM controller front panel status indicators and a table describing their functions.

| LED | State | Function |
|---|---|---|
STATUS | Green Blinking | Self-test in progress |
ACTIVE | Green | Module is activated (not standby) |
Figure 9-4 and Figure 9-5 show the three types of network interface (NI) module front panels available with the 6100. The optical front panels are labeled differently for OC3 single-mode fiber (SMF) and OC3 multi-mode fiber (MMF). A table follows each illustration describing the functions of their front panel status indicators.

| LED | State | Function |
|---|---|---|
STATUS | Green Blinking | Self-test in progress |
ACTIVE | Green Solid | Module is active |

| LED | State | Function |
|---|---|---|
STATUS | Green Blinking | Self-test in progress |
ACTIVE | Green | Module is active |
The following is an illustration showing the DS3 subtend module front panel status indicators and a table describing their functions.

| LED | State | Function |
|---|---|---|
STATUS | Green Blinking | Self-test in progress |
ACTIVE | Green | Module is active |
| PORT 1 |
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LOS | Green Solid Red | Port 1 has a proper DS3 signal to the far end connection Port 1 has detected a loss of signal condition from the subtended 6100 |
LOF | Green Solid Red | Port 1 has DS3 frame sync to the far end connection. Port 1 has detected a loss of frame condition from the subtended 6100 |
OCD | Green Solid Red | Port 1 has achieved cell delineation from/to the far end connection Port 1 has detected a loss of cell delineation condition from the subtended 6100 |
FERF
| Green Solid Red | The far end connection to port 1 is receiving signals Port 1 has detected a receiver failure in the far end equipment |
| PORT 2 |
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LOS | Green Solid Red | Port 2 has a proper DS3 signal to the far end connection Port 2 has detected a lost of signal condition from the subtended 6100 |
LOF | Green Solid Red | Port 2 has DS3 frame sync to the far end connection Port 2 has detected a loss of frame condition from the subtended 6100 |
OCD | Green Solid Red | Port 2 has achieved cell delineation from/to the far end connection Port 2 has detected a loss of cell delineation condition from the subtended 6100 |
FERF | Green Solid Red | The far end connection to port 2 is receiving signals Port 2 has detected a receiver failure in the far end equipment
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The following is an illustration showing the system controller (SC) front panel status indicators and a table describing their functions.

| LED | State | Function |
|---|---|---|
STATUS | Green Blinking | Self-test in progress |
ACTIVE | Green | Module is active |
ALARM | Red Blinking | Unacknowledged Alarm |
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Posted: Tue Nov 16 09:06:33 PST 1999
Copyright 1989-1999©Cisco Systems Inc.