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FCD-T1/1/T1

RAD DATA COMMUNICATIONS

FCD-T1/1/T1

Card Type

T1 CSU/DSU

Chip Set

Unidentified

I/O Options

AC power connector, 25-pin RS-530 port

serial ports (2), RJ-48 network interface (2)

T1 Transfer Rate

1.544Mbps

T1 Protocol

AMI, Transparent, B7ZS, B8ZS

Frame type

D4

Data Bus

External

CONNECTIONS

Function

Label

Function

Label

AC power connector

CN1

Network port via RJ-48 connector

CN4

Serial port 1

CN2

Serial port 2

CN5

25-pin connector

CN3

Power switch

SW2

USER CONFIGURABLE SETTINGS

Setting

Label

Position

Signal ground is connected to the frame ground

JP8

Closed

 

Signal ground is not connected to the frame ground

JP8

Open

Front panel push-buttons are enabled

JP77

Pins 1 & 2 closed

 

Front panel push-buttons are disabled

JP77

Pins 2 & 3 closed

Supervisor ports operate according to user-defined parameters

S1/1

Off

 

CSU/DSU uses default parameters stored in its EPROM

S1/1

On

 

User password enabled

S1/2

Off

Default password enabled. Password=RAD

S1/2

On

Loads user-selected parameters from NVRAM on power-up

S1/3

Off

 

Loads default parameters stored in its EPROM on power-up

S1/3

On

Factory configured - do not alter

S1/4

Off

ALARM/RELAY

Function

JP51

JP52

Alarm relay is disconnected. DTE serial port 1 (CN2) provides full functionality

Pins 2 & 3 closed

Pins 2 & 3 closed

 

Alarm relay is connected instead of DCD and CTS lines. Polled communication disabled

Pins 1 & 2 closed

Pins 1 & 2 closed

DIAGNOSTIC LED(S)

LED

Color

Status

Condition

RED 1

Unidentified

On

DSU/CSU is detecting a red alarm condition on the main link

RED 1

Unidentified

Off

DSU/CSU is not detecting a red alarm condition on the main link

YEL 1

Unidentified

On

DSU/CSU is detecting a yellow alarm condition on the main link

YEL 1

Unidentified

Off

DSU/CSU is not detecting a yellow alarm condition on the main link

RED 2

Unidentified

On

DSU/CSU is detecting a red alarm condition on the sub link

RED 2

Unidentified

Off

DSU/CSU is not detecting a red alarm condition on the sub link

YEL 2

Unidentified

On

DSU/CSU is detecting a yellow alarm condition on the sub link

YEL 2

Unidentified

Off

DSU/CSU is not detecting a yellow alarm condition on the sub link

ALM

Unidentified

On

DSU/CSU is detecting an alarm condition in the system

ALM

Unidentified

Off

DSU/CSU is not detecting an alarm condition in the system

TST

Unidentified

On

DSU or CSU loopback test active

TST

Unidentified

Off

DSU or CSU loopback test not running

VER.X.21

CONNECTIONS

Function

Label

15 pin connector

CN9

VER. V.35

CONNECTIONS

Function

Label

34 pin connector

CN9

MISCELLANEOUS TECHNICAL NOTES

If an additional port is required, the single port module may be replaced with a dual port module. V.35, X.21, or RS-530 interfaces are available for the FCD/T1 unit