RAD Data comm AMC-101 Manual do Utilizador descarregar pdf (Página 4)

Universal Media Converter and Repeater

AMC-101

ALARMS CONNECTOR

•

A dry circuit with a 9-pin D-type

connector on the rear panel, has

been added to the unit to signal

minor and major alarms. The dry

contact circuit is used to signal

the following alarms:

– RED ALARM - Power Failure

(DC voltage on board)

– YELLOW ALARM - Signal

Detect Failure (to any of the

unit modules)

– CONFIG ALARM - Improper

Configuration (incompatible

modules and/or data rates

selected)

•

Three pins are dedicated for

each alarm: Common (COM),

OK and FAIL. The COM pin is

the input for each alarm. The

user can drive the COM pin with

any signal

(0 to 5V). If the signal is received

OK, the COM pin is connected to

its corresponding OK pin; If there

is a failure, the COM pin is

connected to its corresponding

FAIL pin (See

Figure 7

and

Table 1

for the connector pin

assignments).

Table 1. Connector Pin Assignment Table

PIN TYPE

ALARM TYPE COM OK FAIL

RED 9 4 5

YELLOW 3 8 7

CONFIG 6 2 1

Figure 7. Connector Pin Assignment

Table 2. Bridging Modules

Module

Name

Protocols

Supported

Cable

Type

Connector

Type

Range Impedance

10BT/B* Ethernet UTP Cat 5 Shielded RJ-45 100m

100

Ω

100BT/B** Fast Ethernet UTP Cat 5 Shielded RJ-45 80m

100

Ω

100BT/R*** Fast Ethernet UTP Cat 5 Shielded RJ-45 80m

100

Ω

* Remote Ethernet bridge module

** Remote Fast Ethernet bridge module

*** Media converter for Fast Ethernet (Tx to Fx)

1 2 3 4 5 6

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