Bay Networks 5000 Instrukcja Obsługi Pobierz pdf (Strona 79)

Operating the ARN

114200-D Rev 00

3-7

ISDN BRI LEDs (S/T or U Interfaces)

Table 3-10

describes the ISDN adapter module LEDs.

56/64K DSU/CSU LEDs

Table 3-11

describes the 56/64K DSU/CSU adapter module LEDs.

Table 3-10. ISDN BRI LEDs

LED Meaning

S/T Interface

Unlabeled LED Lights when the ARN is using the D-channel.

U Interface

(D-channel; 16-KB

Management Channel)

Lights when the ARN is using the D-channel.

(Data Detect)

Lights when the ISDN-BRI interface detects connection to an

external device (that is, a switch).

(B-Channel #1; 64-KB

Data Channel)

Lights when the ARN is using B-channel #1.

(B-Channel #2; 64-KB

Data Channel)

Lights when the ARN is using B-channel #2.

Table 3-11. 56/64K DSU/CSU LEDs

LED Meaning

TxD

(Transmit Data)

Lights when the 56/64K DSU/CSU

interface transmits data

over the network.

RxD

(Receive Data)

Lights when the 56/64K DSU/CSU

interface receives data

from the network.

(Carrier Detect)

Lights when the 56/64K DSU/CSU interface detects a

connection to another device.

Test Lights when the 56/64K DSU/CSU interface is in test or

loopback mode.

1 2 ... 74 75 76 77 78 79 80 81 82 83 84 ... 165 166

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