SY Electronics - Spares & Parts
SY RSM4 Serial Matrix
RS232 Routing Module with flexible switching logic
Free UK delivery by 21 - 23 Jul
THERE IS ONLY ONE.
ABOUT THIS PRODUCT
The SY RSM4 Serial Matrix is in very good condition, with minor cosmetic wear to the casing. There are visible scratches on the bottom and rear panel, but no dents, cracks, or functional damage. Unit has been handled professionally and remains fully operational.
This compact RS232 routing module supports multiple device control configurations in AV setups or automation systems. Built for reliability with robust I/O and flexible switching logic. Ideal for integrators or tech setups requiring solid serial management. No cables or accessories included.
General
| Brand | SY Electronics |
| Model | SY RSM4 Serial Matrix - RS232 Routing Module - Very Good |
| Category | Spares & Parts |
| Condition | Very Good |
| Reference | LIT-1-B-2-1-7-vjonegr |
Condition
This SY RSM4 Serial Matrix - RS232 Routing Module - Very Good has been inspected and set up by our workshop. Every item is a single, one-off piece, photographed as it is so you know exactly what you are buying.
Condition guideOur inspection process
- 01
Workshop inspection
Checked by a specialist, not just a technician. Body, hardware and cosmetics visually assessed for wear, damage and authenticity.
- 02
Function tested
Controls, connections and electronics tested at the bench to confirm everything works as it should.
- 03
Prepared for use
Cleaned and set up where needed so it arrives ready to use straight out of the box.
- 04
Photographed & documented
Every angle, mark and detail captured in high resolution so you know exactly what you are buying.
- 05
Double-boxed dispatch
Re-checked before packing, then carefully packed and sent tracked and signed-for.

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After you buy
01
Order placed
Payment confirmed instantly. You'll get an email receipt and tracking link to follow.
02
Workshop pack
We re-check the inspection, photograph the packing, and carefully box for safe transit.
03
Tracked dispatch
Signed-for courier across the UK. Most orders arrive within 2 working days.
04
30-day returns
Not the one for you? Send it back within 30 days for a full refund.
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SY Electronics
SY RSM4 Serial Matrix - RS232 Routing Module - Very Good








