Date Code Code 20010518 Installation 3-13
SEL-2020 Instruction Manual
3. Replace the top cover and top-cover screws and tighten them securely.
4. Replace the front panel and front-panel screws and tighten them securely.
INSTALLATION
Before you install the SEL-2020, you should perform the initial checkout procedure found in
Section 1: Introduction, and set the configuration jumpers according to your installation
requirements per the instructions outlined earlier in this section. Install the SEL-2020 according
to the following step-by-step instructions:
1. Mount the SEL-2020 in the desired panel location. Mounting information, including
chassis, cutout and drilling dimensions are shown in the data sheet included in
Section 1: Introduction.
2. Connect the devices you desire to the SEL-2020 rear-panel DB-9 communication ports
using SEL cables, or their equivalents. Cable information is located near the beginning
of this section.
3. Connect power and ground, alarm, IRIG-B, and optional I/O on the rear panel.
4. Connect a terminal (or computer equipped with terminal emulation software) to the
front-panel connector Port F of the SEL-2020 using an SEL-C234A cable or
equivalent.
5. Set the computer terminal or emulation software to operate at:
• 2,400 baud, 8 data bits, 1 stop bit, no parity
6. Press <ENTER> and verify that a “*” prompt is returned.
7. Type ACCESS<ENTER> to change to Access Level 1. Enter the factory-set
password by typing OTTER<ENTER> at the password prompt. You will see a screen
similar to the following:
*ACCESS<ENTER>
*ACCESS<ENTER>*ACCESS<ENTER>
*ACCESS<ENTER>
Password: ? OTTER<ENTER>
OTTER<ENTER>OTTER<ENTER>
OTTER<ENTER>
COMMUNICATIONS PROCESSOR - S/N 95012004 Date: 03/02/95 Time: 14:33:52
Level 1
*>
8. Type STATUS<ENTER> and verify that a status report similar to the one below
appears on your terminal. The RAM memory size should be 512 kb or 1024 kb. If you
ordered optional nonvolatile Flash memory, verify that Flash reports 2048 kb. If you
did not order optional nonvolatile Flash memory, Absent is reported as in the screen
below. Confirm that IRIG-B input, I/O board, and modem configurations match your
expectations. This step completes installation of the SEL-2020.
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