SES RPDISP4L?OLDLG , 4 LINE DISPLAY ASSY W/HARDWARE & FRAME, CAT4/TEC4s **
The SES RPDISP4L-OLDLG display assembly is for older large-display CAT4 / TEC4 style SES telephone entry units that require the framed 4-line display service part. This row is important because legacy SES panels may share the same general CAT or TEC naming but use a different display frame, mounting layout, or harness arrangement than later replacement displays. The assembly is typically used when the display has become unreadable, cracked, dim, or physically loose in the older faceplate. It should be selected only after confirming that the installed panel is the older large-display configuration. When the panel has been upgraded, reworked, or fitted with a different hood or faceplate, the parts diagram and the existing display assembly should be checked carefully.
Compatible With
This SES replacement part may be used with the following Select Engineered Systems product families when the installed unit, parts diagram, and original component match:
- Older large-format SES CAT4 telephone entry panels requiring the framed 4-line display
- Older large-format SES TEC4 telephone entry panels requiring the framed 4-line display
- Legacy CAT4 / TEC4 display applications where RPDISP4L-OLDLG is specified
- Panels using the 4-line display with hardware and frame rather than the standard RPDISP4L layout
Features and Specifications
| Manufacturer | Select Engineered Systems |
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| Product Type | Legacy replacement LCD display assembly |
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| Part Number | RPDISP4L-OLDLG |
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| Application | Older large CAT4 / TEC4 display repair |
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| Compatible Product Type | Legacy CAT4 / TEC4 telephone entry panels |
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| Included Components | Display assembly with hardware and frame |
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| Display Format | 4-line LCD |
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| Notes | Verify old large-display frame style before ordering |
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Also Known As / Related Part Numbers
- RPDISP4L-OLDLG
- SES-RPDISP4L-OLDLG
- RPDISP4L OLDLG
- RPDISP4L?OLDLG
- old large 4-line display assembly
- 4-line display with frame
Technician Note
Technician Note: match the existing Select Engineered Systems part number, panel series, line count, connector style, and physical opening before ordering. Similar SES parts can look alike but may not fit the same cabinet or display assembly.
Before Ordering
- Confirm the installed SES model family and line count.
- Compare the existing part number or old component label.
- Check display/window size, screw pattern, gasket shape, and harness connector.
- Look for water damage, corrosion, cracked cables, or modified wiring inside the panel.
- Do not substitute a similar 2-line, 4-line, 10-line, TEC1M, TEC1A, or legacy part unless the SES parts diagram confirms the match.
Professional Advisory
SES telephone entry display and window service parts should be installed with power removed from the unit. If the entry system has water damage, corrosion, damaged wiring, or intermittent display operation after parts replacement, have the unit checked by a qualified access-control technician.
Product Questions and Answers
What does OLDLG mean on this SES display listing?
It refers to an older large-format display style that uses a framed 4-line assembly rather than the standard current display layout.
Can I use standard RPDISP4L instead?
Not unless the parts diagram and physical display frame confirm it. The frame and mounting style may differ.
Does this include the outer Lexan window?
This listing is written as the display assembly with hardware and frame. The exterior Lexan window may be a separate part depending on the panel.
What panels should be checked before ordering?
Older CAT4 and TEC4 units should be checked for the existing display frame, harness, and opening size.
Why is this a manual review item?
Legacy SES units may have been repaired or modified over time, so matching the actual installed hardware is more reliable than ordering by model family alone.
