TransCore 0596465PT15 Manuel D’Utilisation

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Installing the Encompass 4H Reader
4-21
Required Materials
You need the following materials to connect the communications cable to the PC:
PC or laptop
Any terminal emulation program such as Procomm Plus™ or Hyper Terminal™ 
running on a PC
Communications cable to connect to the COM1 port on your PC
Connecting the Encompass 4H Reader to the PC
Encompass 4H Reader communications and customer interface signals are supplied 
from the Encompass 4H Reader to the host through a multiwire cable, which is a 13-
pair pigtail. The connector for this cable is located on the back of the Encompass 4H 
Reader. Refer to the following sections to connect the appropriate communications 
wires from the cable to the terminal strip that is located inside the junction box.
These sections contain instructions for connecting RS
232, RS
422, and Wiegand 
communications between the Encompass 4H Reader and the PC. Each section con-
tains wiring instructions and pin assignments followed by step-by-step connection 
procedures.
The Encompass 4H Reader can remain powered up while connecting reader-to-host 
PC communications. 
RS
232 Interface
RS
232 interface signals are supplied by three or five wires from the Encompass 4H 
Reader communications cable. The pin assignments for the signal to the host male 
DB9 and DB25 connectors are shown in boldface in