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2.0 GENERAL INFORMATION
Thank you for your purchase of this Patton Electronics product.
This product has been thoroughly inspected and tested and is warrant-
ed for One Year parts and labor. If any questions arise during installa-
tion or use of this product, please contact Patton Electronics Technical
Support at: (301) 975-1007.
2.1 FEATURES
• Designed for use with Patton Electronics Rack Cards: 1045RC,
1092RC, 1092ARC, 1095RC, 2500RC, 2703RC, and 2715RC
• Compatible with CCITT X.21
• Support up to 2.340 Mbps
• Supports Network or Internal Timing
• Fits in Patton’s 2u (3.5”) rack chassis and cluster boxes
• Made in the U.S.A.
2.2 DESCRIPTION
The Patton Model IM1RC/D
is an option board which implements
a low-power X.21 interface. The Model IM1RC/D is designed for use
with Patton Electronics rack cards: 1045RC, 1092RC, 1092ARC,
1095RC, 2500RC, 2703RC and 2715RC. The Model IM1RC/D sup-
ports data rates up to 2.304 Mbps. The DCE and DTE interface is com-
patible with X.21 specifications
3.0 INSTALLATION
The Model IM1RC/D provides an X.21 electrical interface. This section
describes how to properly install the X.21 daughter board to operate in DCE or
DTE mode and defines the jumper settings and its function.
3.1 INSTALLING IM1RC/D (X.21 Daughter Board)
Figure 1 (below) shows the X.21 daughter board, DCE/DTE selector and
jumper (JP1) location with respect to the rack card. Following figure 1 are
guidelines for the installation of the X.21 daughter board, setting for DCE/DTE
and a brief description on Jumper JP1.
Follow the steps below for proper installation of the X.21 daughter board.
1.
On the top side of the X.21 daughter board, locate the designator
shown:
2.
Install the X.21 daughter board onto the front card with the “Front
X.21”
arrow
pointing to the front panel of the rack card, see figure 1.
JP1
Front
Panel
Rear
DCE/DTE
Selector
Rack Card
Front X.21
Front X.21
Figure 1. View of X.21 Daughter Board, DCE/DTE Selector and JP1
IM1RC/D (X.21 Daughter Board)
WARNING:
The X.21 daughter board connector is not keyed and
can be installed incorrectly.
