Xerox WorkCentre PE16 Service Manual

4-18
Summary of Product
WorkCentre PE16July 2003
Service Manual
4.6 LIU PBA
LIU board is a Line interface unit, and it is a circuit for interfacing a telephone line with a modem. The circuit consists
of matching transfer to conform to impedance of a receiving telephone line and a circuit to conform to impedance of a
modem.
Also, there is a ring detect circuit to detect a ring signal from a switchboard and a surge absorber to protect it from an
external high voltage supply applied to a line input unit.
Ring Detect Circuit (PC814)
Relay
Tel-Line Jack
Surge
Absorber
4.7 OPE PBA
OPE board consists of various function keys and LCDs to display key operations. MICOM creates
a circuit using HT48R50 MICOM of HOLTEC CO. and applies LED and LCD. The communication
method with the Main Board CPU is a UART, and related signals are /Reset, TXD, and RXD.

Xerox WorkCentre PE16 Specifications

General

Brand	Xerox
Model	WorkCentre PE16
Category	All in One Printer
Language	English