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ETHERNET PRINT SERVERS HIGH SPEED AND 4-PORT
A.5 Serial Cable Pinning
The following pages contain information on serial pinning for straight cables
using RJ-45 (or DB25) connections. DB25 connections require a DB25
adapter (UNIPORT-DB). These pinnings are based on the connector
attached to the device.
Fig. A-1. DB25 on Device to RJ-45 on Ethernet Print Server.
1
2
3
4
5
6
8
7
20
7
5
3
1
2
4
6
7
5
3
1
2
4
6
Frame Ground
Transmit Data
Receive Data
No Connection
Clear To Send
Data Set Ready
Data Carrier Detect
Signal Ground
Data Terminal Ready
DB25 Plug
Frame Ground
Receive Data
Transmit Data
No Connection
Data Set Ready
Signal Ground
Data Terminal Ready
RJ45 Plug
PCs/Printers
(DTE Device)
Ethernet Print Server
(DCE Device)
Pins 5, 6, and 8 are jumpered on the DB25 plug side.