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Cisco

Cisco 4OC12X-POS-M-SC-B | 4x OC-12/STM-4c POS | 622 Mb/s per port | MMF | SC duplex | 1310nm | up to ~2 km | Engine 3 | SONET/SDH

SKU:4OC12X-POS-M-SC-B

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Description

Compact 4-port OC-12/STM-4c POS line card with integrated multimode optics for campus/metro SONET/SDH links. SC duplex connectors, 1310nm MMF, and Engine 3 forwarding provide reliable 622 Mb/s per port with PPP/HDLC over POS.

Features

- 4x OC-12/STM-4c POS for medium-speed SONET/SDH links
- Integrated MMF optics with SC connectors
- Standards-compliant POS (PPP/HDLC)
- Engine 3 forwarding architecture
- 1310 nm MMF operation for campus/metro spans

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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FAQs

Technical Specifications

FAQs

Q: What fiber type is supported?
A: Multimode fiber (MMF). For longer distances, a single-mode variant is required.

Q: Are optics pluggable?
A: No. The card uses integrated MMF optics with SC connectors.

Q: What is the maximum reach on MMF?
A: Typically up to ~2 km, subject to fiber type and loss budget.

Q: Does it support SONET and SDH?
A: Yes, with POS (PPP/HDLC) encapsulation.

Q: Which engine does it use?
A: Engine 3; confirm chassis compatibility.

Technical Specifications

- Ports: 4 x OC-12/STM-4c POS
- Per-port line rate: 622 Mb/s
- Optics: Multimode (MMF), integrated
- Fiber type: Multimode (50/62.5 µm)
- Connector: SC duplex
- Wavelength: 1310 nm
- Typical reach: up to ~2 km (MMF, link-budget dependent)
- Standards: SONET OC-12, SDH STM-4, POS (PPP/HDLC)
- Forwarding/engine: Engine 3
- Pluggables required: No (integrated optics)

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