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INSTALLATION INSTRUCTIONS FOR XRD-8050/RK

The FIBERLINK XRD-8050/RK is designed to plug directly into one position of a

Model MCR-2000 rack mountable card cage. All operating power is then

provided by this card cage. The optical and RS-232 signal connections are

available on connectors provided on the rear on the plug-in assembly.

The XRD-8050/RK is fully compatible with the XRD-8050 stand-alone version.

Signal Connections

The signal connections for the XRD-8050/RK follow the recommended EIA

DCE format for RS-232. These connections are described below and must be

compatible with the equipment being used. All signal connections are made via

an industry standard DB-25S connector. Be certain to make all connections

carefully and check that the correct pins are being used.

Description

Chassis Ground

Transmitted Data

Received Data

Request to Send

Clear to Send

Data Set Ready

Signal Ground

Data Carrier Detect

Data Terminal Ready

All other signal pins are not utilized and all other details are the same as for the

XRD-8050 stand-alone version.

(Rackmountable Version)

EIA Designation

(AA)

(BA) (input)

(BB) (output)

(CA) (input)

(CB) (output)

(CC) (output)

(AB)

(CF) (output)

(CD) (input)

DB-25S Pin #

6 (jumped to 20)

20 (jumped to 6)