Schweitzer Engineering Laboratories SEL-2890 - Appendix F: Open Network Ports; Physical and Ethernet Ports; Ethernet Services: Server

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Date Code 20210715 SEL-2890 Instruction Manual

Appendix F

Open Network Ports

The following information is intended to help security auditors verify that the network

hosts and open ports on a control network are what is expected.

The following tables list the network ports that may be presented by the device.

Physical Port # Ports Default Can Be Disabled

Serial Ports 1 Enabled No

Ethernet Ports 1 Enabled No

Ethernet

Services:

Server

Device

Function

Protocol

Default

Listening

Port

Settable

Default

State

Can Be

Disabled

Hypertext

Transfer

Protocol

(HTTP)

Relay

Display

TCP 80 No Enabled No

Telnet (Server) Passthrough

Mode

TCP 23 Yes Enabled Yes

Raw TCP

(Server)

Passthrough

Mode

TCP 23 Yes Disabled Yes

Telnet (Server) Console TCP 1025 Yes Enabled No

File Transfer

Protocol (FTP)

Authentica-

tion Proxy

TCP none Yes Enabled No

Internet Control

Message

Protocol (ICMP)

System ICMP N/A N/A Enabled No

Main Page

Table of Contents3
List of Tables5
List of Figures7
Preface9
Section 1: Introduction & Specifications11
Introduction11
Features11
Applications12
Figure 1.1 Example Ethernet Substation Network13
Figure 1.2 SEL Default HTTP (WEB=SEL)15
Figure 1.3 BTCP Tunneling Using Broadcast18
Specifications19
Section 2: Installation21
Introduction21
Installation21
Table 2.1 SEL-2890 EIA-232 Serial Port Pinout21
Figure 2.1 Programming Cable Connection22
Figure 2.2 SEL-C642 Cable Wiring Diagram22
Initial Checkout23
Figure 2.3 Telnet Window25
Section 3: Settings and Commands27
Introduction27
Settings27
Table 3.1 SEL-2890 Settings Summary27
Commands36
Command Summary37
Table 3.2 SEL-2890 Command Summary37
Ethernet Network Operation Settings40
Table 3.3 SEL-2890 Network Configuration Settings40
Table 3.4 GATEWAY Address Setting Examples41
Section 4: Detailed Application Examples43
Introduction43
Job Done Example 143
Figure 4.1 Minimal Email Network Connection43
Job Done Example 144
Figure 4.2 Summary Event Report Email from an SEL Relay44
Figure 4.3 Example Telnet Serial Encapsulation System45
Figure 4.4 Network Parameters Dialog Box47
Figure 4.5 Serial Tunneling Network Connection49
Section 5: Troubleshooting53
Introduction53
SEL-2890 Indicator Leds53
Table 5.1 SEL-2890 LED Indicators53
Figure 5.1 Example SEL-2890 Panel53
Troubleshooting Procedures54
Table 5.2 Troubleshooting Procedures54
Technical Support55
Table A.1 Firmware Revision History57
Appendix A: Firmware and Manual Versions Firmware58
Instruction Manual59
Table A.2 Instruction Manual Revision History59
Appendix B: Firmware Upgrade Instructions63
Introduction63
Important Note Regarding Settings63
Required Equipment63
Upgrade Procedure64
Appendix C: HTML Code67
Table C.2 HTTP Files70
Figure C.2 Example HTML Code71
Appendix D: Alitree Applet73
Introduction73
Tree View Java Applet74
Appendix E: ASCII Reference Table75
Table E.1 ASCII Reference Table75
Appendix F: Open Network Ports81
Index83

Schweitzer Engineering Laboratories SEL-2890 - Appendix F: Open Network Ports; Physical and Ethernet Ports; Ethernet Services: Server

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