DCP Operation

Status Indicators

The 391x Series modems’ status indicators continuously provide information on the modem’s operating condition. All of the status indicators on the Model 3910 appear on the DCP

(Figure 3-1), whereas the status indicators for the carrier-mounted Model 3911 are located on the Model 3911’s faceplate, the SDCP, and the SDU faceplate (Figure 3-2).

Status

OK

Alrm

Diag In

Diag Out

SDU

Status

Pwr

Alrm

142 Test

Dial

125 RI

Busy

Serv

SQ

103 TXD

104 RXD

105 RTS

106 CTS

107 DSR

108 DTR

109 LSD

Front Panel

Spkr

3911

CARRIER SLOTS 1–16

SDU

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

 

 

 

 

 

 

Select

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OK Alarm BckUp Test

EC

F1

F2

 

F3

 

 

COMSPHERE 3000

496-14175-01

SELECT

STATUS

KEYPAD

LCD

KEY

INDICATORS

 

 

 

 

 

 

OK Alarm BckUp Test EC

 

 

ERROR

NETWORKCORRECTION

DEVICE

ALARM

DIAL TEST

BACKUP MODE

Figure 3-2. Optional SDCP, Model 3911 Faceplate, and Optional SDU

3910-A2-GN32-40

September 1998

3-3

Page 39
Image 39
Digicom 3910 operation manual Status Indicators, Optional SDCP, Model 3911 Faceplate, and Optional SDU