Product specifications

COMMUNICATIONS
Sharp Electronics Corporation
Section-2: Online via RS-232
Prior to programming, it is important that the hardware connections necessary for Online
communications are accomplished. As a basic rule, the following steps may be used
whether the online connection is direct to a PC or a modem.
1. Connecting the UP-800:
Procedure:
① Connect the specified RS232 cable to the desired Channel to be assigned
② Install a ferrite core (part no. RCORF6699BHZZ) within 50 cm of the connector on the
connection cable to reduce interference
2. Cabling Specifications:
As a general rule, each peripheral’s manufacturer should provide their recommended
specifications for cabling to the peripheral device. The below guideline for cabling should
be observed when connecting a serial device to the UP-800 terminal:
Cabling Specifications:
RS232 Serial Cable
Maximum Distance from POS to PC 50 ft. or less
Type Cable Twisted Pair
Wire Gauge 24 AWG / Shielded
Belden Number 9540
• The true maximum distance will be determined by the quality of the cable
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