MSM20 mixed media module: configuration and sourcing
MSM20-S2S2T1T1TWYHH9E99.9 is the complete Hirschmann designation for two S2 optical positions and two T1 copper positions in one module. This new MSM20 mixed media module article gives engineers and buyers a specification-led path for compatibility review, purchasing, installation, and handover.
Keep every character of the order code in drawings and requests. A shorter family name can support an initial search, yet it cannot confirm the precise environmental, certification, software, or customer-specific options.
Mixed-Media Cabinet Plan
A mixed-media module can reduce separate conversion hardware when one cabinet serves both optical trunks and local copper devices. The requested product belongs to the Hirschmann MSM20 mixed-media family and serves as a Fast Ethernet media module that combines optical and twisted-pair positions. The visible order-code pattern contains two S2 singlemode duplex-SC positions and two T1 twisted-pair RJ45 positions.
Label the two optical and two copper destinations independently. As a result, technicians can isolate a fiber fault without disturbing local Ethernet connections. These steps keep the technical record tied to MSM20-S2S2T1T1TWYHH9E99.9 instead of a broad family assumption.
Separate Link Records
Review host platform, slot assignment, optical route, copper cabling, connector map, port ownership, temperature code, certificates, and exact revision. Mixed media simplifies hardware count, but unclear labeling can make restoration slower during an outage. Therefore, attach the installed label, network drawing, required quantity, destination, and target date to the inquiry.
- Two S2 destinations
- Two T1 destinations
- Module-slot record
- Cable labels
MSM20 mixed media module Module Handover
Commission the product in stages. First, verify power and host recognition. Next, test each copper or optical path separately. Then restore VLAN, redundancy, management, and alarm functions that apply to the site. Finally, save the accepted configuration and link measurements for maintenance.
Stock, Lifecycle, And Delivery Review
Official Belden and Hirschmann information provides the technical baseline, but it does not promise immediate stock for every configured code. HKXY Instruments can check current availability, price, estimated lead time, export packing, and delivery options after receiving the complete requirement.
For an emergency replacement, include the acceptable outage window and whether alternatives may be considered. For a planned project, include commissioning dates and spare quantities. Compare all feedback with the official product reference before order approval.
Related Hirschmann Models
These nearby codes can help structure a spare-list or architecture discussion, but they are not automatic substitutes. Check host support, port media, speed, software, temperature, approvals, and the full suffix for every candidate.
- MSM50-Q6Q6Q6Q6SY9HH9E99.9.99
- M-SFP-TX/RJ45
- MSP30-16040SCV999HHE2A
- M-SFP-TX/RJ45 EEC
- MSM40-T1T1T1T1SZ9HH9E99


