3460 Fast’R

Status LEDs

Cards and stand-alone modems have the following front panel indicators. On a dual-modem card, each modem has a set of indicators. Vanguard 3460 V.34 Daughtercard modems have only the MR and OH indicators.

Status LED Displays

LED

Description

 

 

MR

On: modem is ready to interwork with computer

Modem Ready/

Flashing: Modem is in V.54 test mode

Test Mode

 

 

 

TR

On: computer is asserting DTR (Circuit 108) to modem

 

Transmit/Receive

 

(Data Terminal

 

Ready)

 

 

 

OH

On:

 

Off Hook (con-

• Regular operation: modem is connected to dial line

nected to phone

• Restoral operation: when regular operation is

line)/

configured for leased-line or dial-line operation, and

 

Ring Indicator

modem is operating on restoral dial line: modem is

 

connected to dial line

 

Flashing: modem receiving Active Ring

 

Off:

 

• In dial configuration: no call in progress, modem is

 

disconnected from telephone line

 

• In leased-line configuration: modem is connected to

 

leased line

 

 

CD

On: modem is receiving a valid carrier signal from a

 

DataCarrier Detect

remote modem

 

 

RD

Flashing: modem is transferring data received from a

 

Receive Data

remote modem and command responses to computer

 

 

SD

Flashing: modem receiving transmit data and

 

Send Data

commands from computer

 

 

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Motorola 3460 manual Status LEDs, Status LED Displays, Off