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Installation and Operation Manual Chapter 2 Installation and Operation

ASM-40CD Ver. 1.0 Operating the ASM-40CD 2-7

Table 2-5. ASM-40CD LEDs

ID Color State Indication

POWER Green On

Off

Power is On

Power is Off

TD Yellow On

Blinks

Steady SPACE is transmitted

Data is transmitted

RD Yellow On

Blinks

Steady SPACE is received

Data is received

RTS Yellow On The Request-To-Send signal is sent

from the DTE

DCD Yellow On A valid signal exists on the receive

line

SYNC

LOSS

Red On

Off

Loss of synchronization

Synchronization has been achieved

TEST Red On

A loopback mode is set or an

internal BERT is activated

ERR Red On

Blinks

An alarm is initiated or sync loss in

BER tests

An error is detected in BER tests

POWER

ASM-40CD

ERR1 ERR2

SYNC LOSS

TEST

DCD1

RD1

RTS1

TD1

DCD2

RD2

RTS2

TD2

Figure 2-5. ASM-40CD LEDs

1 2 ... 26 27 28 29 30 31 32 33 34 35 36 ... 75 76

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