Description
1.Unboxing & Physical Snapshot (Dynamic List)
- Model & Brand: Hirschmann (Belden) MS20-1600SABEHH07.1.01 Modular Managed OpenRail Switch Base
- Physical Dimensions (Approximate W x H x D): 164 mm x 131 mm x 117 mm (6.4 in x 5.2 in x 4.6 in) excluding media modules and terminal plugs.
- Estimated Shipping Weight: 2.2 lbs (1.0 kg) packaged in heavy anti-static foam containment.
- What’s in the Box: MS20 base backplane housing with 4 media module slots, dual power supply pluggable screw terminal blocks, fault relay output connector, and ACA21-USB configuration backup stick slot interface (media sub-modules sold separately).2.Product Introduction (Randomized Structural Hook)OpenRail DIN-rail chassis mount architectures rely on this foundational 4-slot backplane to anchor complex Fast Ethernet rings across distributed factory networks. The ruggedized unit accepts modular media cards into its faceplate bays, letting network architects combine copper and fiber optics tailored to specific industrial distances.
Data packet routing depends on the enhanced software operating system loaded onto the internal flash memory, managing redundant ring topologies under harsh electrical noise. System integrators must secure the heavy extruded housing directly onto standard DIN rails while plugging dual power feeds into the top header to ensure continuous network uptime.
3.Core Technical Specifications
| Parameter | Value |
|---|---|
| Backplane Capacity | 4-slot modular MICE format (up to 16 ports total with MM modules) |
| Software Level | Enhanced Layer 2 Management (HIPER-Ring, VLAN, SNMP) |
| Power Requirements | Dual 24 VDC redundant power inputs (18 to 32 VDC range) |
| Power Consumption | Max 15 W (varies heavily by installed media module load) |
| Enclosure Material | Rugged fiber-reinforced plastic and anodized aluminum housing |
| Mounting Standard | 35mm DIN-rail mount per DIN EN 60715 |
| Operating Temperature | 0°C to 60°C (standard operational range) |
| Storage Temperature | -40°C to 85°C |
| Fault Relay Output | 1 potential-free changeover contact (max 60 VDC / 0.5 A) |
| Configuration Interface | Front-panel RS-232 serial header and ACA21-USB slot |
- Global Compliance & Industry CertificationsNetwork administrators auditing operational technology security look for verified industrial environmental ratings to satisfy compliance mandates. This switch aligns with CE directives, FCC Part 15 Class A emission rules, and UL/cUL 61095 listings for industrial control equipment.
The Class I Div 2 rating (when placed inside approved cabinet enclosures) permits safe deployment in oil and gas production facilities where volatile gases might pool near junction boxes. Verify specific lot conformity certifications directly with Belden/Hirschmann compliance portals before commissioning safety-critical SCADA networks.
5.Long-Term Storage & Asset Preservation Guide (E-E-A-T Goldmine)
Inventory controllers storing modular switch hardware must protect sensitive backplane pin headers from physical bending and airborne contamination. Keep the switch base sealed inside its original metallized anti-static bag (—which shields internal CMOS logic arrays from electrostatic discharge events during handling).
Maintain warehouse storage zones below 50% relative humidity to prevent microscopic copper oxidation on the gold-plated module connector pins inside the empty bays. Avoid placing heavy inventory items on top of the box to protect the plastic guide rails from structural stress fractures.
6.Physical Installation Prerequisites
Ensure there is at least 50mm of vertical spacing above and below the DIN-rail chassis to allow adequate convection air passage through the passive cooling vents. Snap the lower rail latch firmly onto the 35mm profile and attach a low-impedance copper functional earth wire to the dedicated grounding screw on the bottom flange. Verify that both redundant power supply circuits deliver stable voltage before plugging the terminal blocks into the top header.
- Buyer’s FAQ (Logistics & Compliance Focus)
- What Harmonized System (HS) code applies to international shipments of this managed switch?Classify under HS code 8517.62 (Machines for the reception, conversion and transmission or regeneration of voice, images or other data, including switching and routing apparatus). Check with your broker for regional variations.
- Does the Country of Origin (COO) mark matter for our IT hardware import audits?Yes, verifying the exact manufacturing origin stamped on the shipping box ensures alignment with regional trade agreements and preferential tariff declarations.
- Is specialized heavy-shock transit insurance recommended for this shipment?Procure comprehensive freight insurance with drop-indicator tags attached to the master carton, because high-density internal circuit boards can suffer micro-fractures under severe shipping impacts.
- Does this unit come pre-loaded with the exact 07.1.01 firmware revision?Surplus parts often ship with baseline firmware versions; network engineers should plan to flash or update the software to version 07.1.01 via the management interface before dropping the switch into a live production ring.
