OpenScape Business X8 DIUT3 — 2 × S2M (PRI) Trunk Card
2 × S2M (ISDN PRI) digital trunk card for X8 V3 systems — successor of DIUT2. Terminates carrier PRI lines; rear-side connection (counts toward Rear Cover Plate budgeting). ⚠️ A different part from the identically named OS4000 DIUT3; the older DIUT2 is used only on V2 (OCCL) systems.
From the same family
Specifications
- Type
- ISDN S2M (PRI) trunk card
- Port
- 2 × S2M (PRI)
- Platform
- OpenScape Business X8 — V3 (OCCLA)
- Predecessor
- DIUT2 (L30251-U600-A824) — V2/OCCL only
- Connection
- Rear (Rear Cover Plate)
- Distinction
- OS4000 DIUT3 is a DIFFERENT part
- Mitel PN
- 50009401
- Unify L No
- L30251-U600-A989
Key features
- 2 × S2M (ISDN PRI, 30B+D) digital trunk ports.
- For V3 systems (OCCLA mainboard); DIUT2 only on V2/OCCL.
- Plate budgeting: DIUT3 → Rear Cover Plate (rear connection).
- S2M 120-Ohm cable (10 m, A443) is used with DIUT2 — confirm DIUT3 cabling per project.
- ⚠️ The OS4000 DIUT3 (E1/T1 loadware trunk card) is a DIFFERENT product.
- Promark: PRI capacity planning and commissioning.
Typical applications
Terminating carrier PRI (S2M) lines on the X8.
PRI redundancy during SIP trunk migration.
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Details2 × S2M (ISDN PRI) digital trunk card for X8 V3 systems — successor of DIUT2. Terminates carrier PRI lines; rear-side connection (counts toward Rear Cover Plate budgeting). ⚠️ A different part from the identically named OS4000 DIUT3; the older DIUT2 is used only on V2 (OCCL) systems.