Schweitzer Engineering Laboratories SEL-251 - Page 58

ii Table of Contents Date Code 970103
SEL-251, -2, -3 Instruction Manual
TABLES
Table 3.1: SEL-251 Conventional Terminal Block Model Relay Serial Port Connector Pin
Assignments................................................................................................................... 3-2
Table 3.2: SEL-251 Plug-In Connector Model Relay Serial Port Connector Pin Assignments ............. 3-3
Table 3.3: Target LED Assignments...................................................................................................... 3-17
FIGURES
Figure 3.1: 9-Pin Connector Pin Number Convention............................................................................. 3-2