Serial Cable Pinning - Black Box LE3840A Manual

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.
PCs/Printers
(DTE Device)
Frame Ground
Transmit Data
Receive Data
No Connection
Clear To Send
Data Set Ready
Data Carrier Detect
Signal Ground
Data Terminal Ready
Fig. A-1. DB25 on Device to RJ-45 on Ethernet Print Server.
124
1 7
2 5
3 3
4 1
5
6 2
8
7 4
20 6
DB25 Plug
Pins 5, 6, and 8 are jumpered on the DB25 plug side.
Ethernet Print Server
(DCE Device)
7 Frame Ground
5 Receive Data
3 Transmit Data
1 No Connection
2 Data Set Ready
4 Signal Ground
6 Data Terminal Ready
RJ45 Plug