Specifications

C-2 FAQ Rev. E

• If the Customer Display is connected to the Customer Display connector of the UB-S09,

confirm that the settings of the jumper switch on the UB-S09 are correctly set.

Note:

Do not set JP1 open (without jumper). If you short pins other than 1 and 2 or 2 and 3 of JP1, the UB-S09

will not operate correctly.

C.1.4 What is the cable wiring for connecting a printer and a host PC

with a serial interface?

The diagrams below show the pin numbers and pin assignments for the interface connectors,

but only the pin assignments without numbers for the PC side because serial interface pin

assignments of different PCs are different.

Note:

This type of connection is frequently called a “null modem cable.”

❏ 9 pin (PC) - 25 pin (Interface)

JP 1 1-2 shorted 2-3 shorted

Customer Display connection

settings

Customer Display connected Customer Display not connected

1 FG

2 TXD

3 RXD

4 RTS

6 DSR

20 DTR

7 SG

RXD

TXD

CTS

DSR

DTR

25 INIT(*1)

Reset signal

(*1) The signal can be used as a reset signal for the

printer by setting a DIP switch of the printer.