Chapter 3 Operation
MT1000A
Installation and Operation Manual
3-2
Front Panel Indicators and Switches
Figure 3-1 MT1000A Front Panel
Table 3-1 MT1000A Controls, Connectors and Indicators
NO Control or Indicator
Function
1
PWR A indicator
ON (green)
– Power supply A is turned on and is operating normally.
ON (red)
– Power supply A is turned on and a malfunction has been
detected or is not been turned on. In this case, MT1000A continues to
operate normally using power supply B (when installed).
2 PWR
B
indicator
ON (green)
– Power supply B is turned on and is operating normally.
ON (red)
– Power supply B is turned on and a malfunction has been
detected or has not been turned on. In this case, MT1000A continues to
operate normally using power supply A.
Off
– Power supply B is not assembled.
3
ALARM CUT OFF (ACO)
push-button
When this button is pressed, the indication of current alarms is suppressed
and only new alarms are indicated.
4 TST
indicator
ON
– The MT1000A is in test condition (local or remote loopback).
5
ON LINE A indicator
ON
– Link A is active.
OFF
– Link A is not active.
6
ON LINE B indicator
ON
– Link B is active.
OFF
– Link B is not active.
7
SYNC LOSS LINK A
indicator
ON
– Link A bit error rate exceeds 10
-6
.
8
SYNC LOSS LINK B
indicator
ON
– Link B bit error rate exceeds 10
-6
.
9
AIS LINK A indicator
ON
– AIS signal is received on link A.
10
AIS LINK B indicator
ON
– AIS signal is received on link B.
11
12
13
14
SYNC LOSS CH1 indicator
SYNC LOSS CH2 indicator
SYNC LOSS CH3 indicator
SYNC LOSS CH4 indicator
ON
– The corresponding tributary interface reports loss of input signal.
Summary of Contents for MT1000A-13-R3
Page 2: ......
Page 16: ...Chapter 1 Introduction MT1000A Installation and Operation Manual 1 10 Technical Specifications...
Page 28: ...Chapter 3 Operation MT1000A Installation and Operation Manual 3 4 Turning MT1000A Off...
Page 72: ...Appendix B MT1000A MIBs MT1000A Installation and Operation Manual B 2...
