Perle SMI-1000-S2ST120 Gigabit Ethernet IP Managed Standalone Media Converter, RJ45 to 1550nm Single Mode ST, 120km

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Perle Systems, IncSKU: 05070134

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Description

The Perle SMI-1000-S2ST120 is a high-performance Gigabit Ethernet IP Managed Standalone Media Converter designed to extend copper network connections over long-distance fiber links. Supporting 1000Base-T to 1000Base-X fiber conversions, this device enables seamless connectivity between RJ45 copper Ethernet and 1550nm single mode ST fiber for distances up to 120km (74.6 miles).

Engineered with advanced management capabilities, the SMI-1000 series provides IT professionals with flexibility, control, and reliability. Features include SNMP, CLI (Telnet/SSH), secure HTTPS web access, and centralized management through PerleVIEW. Enterprise-grade security is ensured with TACACS+, RADIUS, LDAP, SNMPv3, and encryption support.

With smart features such as Smart Link Pass-Through, Fiber Fault Alert, Auto-MDIX with Skew Correction, VLAN transparency, jumbo frame support (up to 10KB), and remote loopback testing, this converter ensures maximum uptime and easy troubleshooting.

Perle’s Managed Gigabit Media Converters also include a lifetime warranty and free worldwide technical support, making them the ideal choice for enterprise, data center, and carrier-grade network environments.

Specification Details
Brand Perle
Product Line SMI-1000 Series
Model / SKU SMI-1000-S2ST120 / 05070134
Converter Type Gigabit Ethernet IP Managed Standalone Media Converter
Copper Interface 1000Base-T RJ45, up to 100m (328 ft)
Fiber Interface 1000Base-ZX, 1550nm, Single Mode ST
Maximum Fiber Distance Up to 120km (74.6 miles)
Management Options SNMP (v1, v2c, v3), CLI (Telnet/SSH), HTTPS/HTTP, PerleVIEW, Console Port
Security TACACS+, RADIUS, LDAP, Active Directory, Kerberos, RSA SecurID, SNMPv3 encryption/authentication
Advanced Features Smart Link Pass-Through, Fiber Fault Alert, Auto-MDIX with skew correction, VLAN & jumbo frame transparency (10KB), Remote Loopback
Port Control & Status Enable/disable fiber or copper ports, view link/negotiation status, far-end fault detection
Protocols Supported IPv4, IPv6, DHCP, DNS, NTP, TFTP, SYSLOG
Diagnostics Loopback testing, event reporting (SNMP traps, SYSLOG, email alerts)
Encryption Algorithms AES (256/192/128), 3DES, DES, Blowfish, CAST128, ARCFOUR, ARCTWO
Compliance IEEE 802.3ab (1000Base-T), IEEE 802.3z (1000Base-X), IEEE 802.3x (Pause)
Jumbo Frame Support Up to 10KB (default enabled)
Warranty Lifetime Warranty
Support Free Worldwide Technical Support

Payment & Security

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Your payment information is processed securely, and we do not store credit card details or access your credit card information.

Return Policy (Short Summary)

We offer a 30-day return window for most unopened, factory-sealed items.

Returns must be authorized before shipping back and must include all original packaging and accessories. Opened or used items are not returnable unless defective.


Some products—such as custom orders, special-order items, audio gear, software, and LED video walls—are non-returnable. Non-defective returns may be subject to a 20–30% restocking fee, and customers are responsible for return shipping costs.


For damaged or incorrect items, please contact us immediately.


Learn more →

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