Front Panel LEDs
SY |
|
|
S |
| |
TE | ||
|
| M |
| OK | |
| Alrm | |
| Test | |
SY |
|
|
N |
| |
C | ||
| P | |
|
| O |
|
| R |
| 1 T | |
|
| 2 |
| 3 | |
| 4 | |
D |
|
|
S |
|
|
L |
| |
LIN | P | |
K | O | |
| - R | |
| U T | |
|
| P |
| 1 | |
|
| 2 |
| 3 | |
| 4 | |
TDM
SDSL
8775
The following table describes the meaning and states of the LEDs on the Hotwire 8775 or 8785 TDM SDSL Termination Unit’s faceplate.
Type | LED |
| LED is . . .* | Indicating . . . |
|
|
|
|
|
SYSTEM | OK |
| On | Unit failure; system processing has |
| (Green) |
| stopped. | |
|
|
| Off | No power to card. |
|
|
| Slow Cycling | Unit is in minimum mode and a |
|
|
|
| download is required. |
|
|
| Pulsing | Normal operation. |
|
|
|
|
|
| Alrm |
| On | Unit failure, or |
| (Amber) |
| (POST) has failed. | |
|
|
| Off | No alarms. |
|
|
|
|
|
| Test |
| On | Loopback test or 511 test pattern in |
| (Amber) |
| progress. | |
|
|
| Slow cycling | POST in progress. |
|
|
| Off | No tests. |
|
|
|
| |
SYNC | 1, 2, 3, 4 | On | The port is operational. | |
PORT | (Green) | Off | No signal on the port, or DTR or | |
|
|
| ||
|
|
|
| RTS is off. |
|
|
|
| |
DSL | 1, 2, 3, 4 | On | DSL link is up. | |
PORT | (Green) | Slow cycling | DSL training in progress. | |
|
|
| ||
|
|
|
| |
|
|
| Fast cycling | OOF condition. |
|
|
| Off | DSL link is down. |
|
|
|
|
|
* Slow Cycling: | LED turns off and on in equal duration once | |||
|
| per second. |
| |
Fast Cycling: | LED turns off and on in equal duration 5 times | |||
|
| per second. |
| |
Pulsing: |
| LED turns off momentarily once per second. | ||
|
|
|
|
|
8