Samsung ML-7300N Handling Description

10. PortThru (Network Printer Card) Circuit Description

10-1. Introduction

The purpose of the Network Printer Card(PortThru) is to enable the Samsung Printer to function as a network printer.
The PortThru is a plug-in card that plugs into the Samsung Printer. The PortThru provides a Ethernet Local Area
Network interface through which the printer can be connected to the network.

ITEM Description

Novell Netware Version 3.x, 4.x, 5.0
MS Windows Windows 95/98, Windows NT(3.x, 4..x)

Support system

UNIX

AT & T System V(Rel 3.2, Rel 4.2), BSD 4.3 HP-UX(Rel 9.x, Rel 10.x)

SCO 5.x, SUN OS 5.5, SOLARIS 2.5
Macintosh APPLE
Netware IPX/SPX, Pserver, Rprint mode, NDS/Bindery
Windows IPX/SPX, TCP/IP, DLC/LLC

Support protocols UNIX TCP/IP

APPLE EtherTalk Phase 2
Network Management SNMP MIB-II, Private MIB
CPU 32bit RISC controller

Hardware Flash memory 1M byte

RAM 64 Kbyte SRAM / 8M byte DRAM

Interface with

Shared memory 64K byte SRAM

Printer
Logical connection IEEE 802.2 802.3
Attachment 10/100Base-Tx
CPU Samsung NetARM, 33MHz
PHY Chip ICS1892, 25MHz

Flash ROM 1M Byte

Memory

DRAM 8M Byte
SRAM 64K Byte
EEPROM 32K Bit

Printer Interface

NetBridge, 33MHz

60 Pin Connector

Dimension(HxWxD) 15 x 80 x 124mm
Power Consumption Max. 0.6A/ +5Vdc

Product Information

Samsung Electronics 10-1

10-2. Board Description

10-2-1 Configuration of Network Board

Service Part : JC92-01119A

Product Information

Samsung Electronics10-2

10-2-2 Network Board Connector Pin Assignment

Product Information

Samsung Electronics 10-3

Connector Description Pin No. Idle Active In/Out

21, 19, 18, 17, 37, 44,

Addr 0 ~ Addr 15 42, 40, 38, 36, 34, 32 Pulse Pulse I

30, 28, 26, 24

35, 33, 31, 29, 27, 25

Data 0 ~ 15 23, 22, 14, 13, 11, 10 Pulse Pulse I/O

9, 7, 6, 5

nPrnWait 41 +5V DGND O

PRES_L 57 DGND DGND -

nPrnlrq 15 +5V DGND O
nPrnCS 4 +5V DGND I
nPrnRE 50 +5V DGND I

nPrnWE 51 +5V DGND I

nResetIn 39 +5V DGND I

+5V 3, 58, 59, 60 +5V +5V -

DGND 8, 12, 16, 48, 52, 56 DGND DGND -

RxD 1 +5V Pulse I
TxD 2 +5V Pulse O

+5V 3 +5V +5V -

DGND 4 DGND DGND -

Printer Interface

J1

Serial Connector

CN6