SSN1D12S Brand New T1 Electrical Interface Switching Board
The SSN1D12S is an original Huawei T1 Electrical Interface Switching Board, purpose-built to provide reliable and flexible T1 connectivity for Huawei SDH or MSTP transmission systems. With 12 T1 interfaces per board, this module allows operators to expand their network capacity for leased line services, voice trunking, or legacy TDM interconnection — all while ensuring carrier-class performance and network stability.
Key Features
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Model: SSN1D12S
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Condition: 100% Brand New, Genuine Huawei
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Type: T1 Electrical Interface Switching Board
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Ports: 12 × T1 interfaces (1.544 Mbps per channel)
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Compatible Systems: Works with Huawei OptiX OSN series or other supported SDH/MSTP systems
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High Reliability: Designed for continuous, 24/7 operation in carrier and enterprise transport networks
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Flexible Deployment: Supports various TDM and voice/data applications
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Hot-Swappable: Easy maintenance and expansion without service interruption
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Standards Compliance: Meets ITU-T and ANSI T1 standards for T1/E1 transmission
Technical Specifications
| Category | Specification |
|---|---|
| Number of Ports | 12 × T1 interfaces |
| Interface Standard | T1: 1.544 Mbps per channel |
| Framing Format | D4/SF, ESF |
| Line Code | AMI, B8ZS |
| Connector Type | RJ48 or coaxial (based on sub-module) |
| Protection | CRC error checking, alarm indication signal (AIS), loopback testing |
| Hot-Swappable | Yes |
| Operating Temperature | -5°C to +45°C |
| Compatibility | Huawei SDH/MSTP platforms (OptiX OSN 3500, OSN 7500, etc.) |
| Warranty | Covered by Huawei’s original warranty |
SSN1D12S Applications
Carrier Transport Networks: Expand leased line and TDM service capacity.
Voice Trunking: Connect PBX systems or voice gateways over T1 lines.
Legacy Network Integration: Bridge legacy TDM services with next-gen IP/MPLS networks.
Private Enterprise Networks: Provide reliable dedicated lines for voice and data backhaul.
Industrial & Utility Networks: Stable performance in critical telemetry and SCADA environments.
Customization & OEM Services
Tailored to fit your deployment:
Pre-Configuration: Port framing, line coding, loopback, and testing setup can be done before shipping.
OEM Branding: Private labeling and custom packaging for resellers and system integrators.
Site Kitting: Delivered with cables, chassis, and related modules for plug-and-play installation.
Extended Burn-In Testing: Optional for critical infrastructure projects needing maximum uptime.
SSN1D12S Wholesale & Bulk Procurement
Perfect for telcos, ISPs, and large rollouts:
Competitive Factory Pricing: Volume discounts available for bulk orders.
Fast Global Fulfillment: Secure export packing and insured international shipping.
Dedicated Account Managers: Personalized support for procurement, logistics, and rollouts.
Reliable Inventory: Consistent supply to meet tight project deadlines.
Genuine Huawei Warranty: 100% authentic, covered by Huawei’s original warranty and our expert technical support.
Why Choose Us
100% Original Huawei Boards — Always New, Sealed, and Certified
Custom Solutions — Configured to meet your project’s needs
Trusted Wholesale Partner — Ideal for resellers, telcos, and system integrators
Professional Export Logistics — Safe, on-time delivery worldwide
Technical Expertise — From planning to deployment
Contact Us for Best Pricing
Boost your network’s TDM capacity with the SSN1D12S Brand New T1 Electrical Interface Switching Board — a flexible, reliable solution for carrier-class voice and data services. For bulk orders, OEM branding, or custom configurations, reach out to our sales team today — we’re ready to deliver a solution that fits your network perfectly!
