Cisco

Cisco HWIC-2SER | 2x Serial (sync/async) | Smart Serial | EIA-232/449/V.35/X.21 via cables | ISR HWIC

SKU:HWIC-2SER

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Description

Dual-port serial HWIC delivering flexible sync/async connectivity for legacy WAN circuits and industrial links. Smart Serial interfaces adapt to EIA-232/449, V.35, X.21, and EIA-530/530A with the correct cable, enabling PPP/HDLC and other serial encapsulations on ISR routers.

Features

- Two independent serial ports for flexible WAN or industrial connectivity
- Smart Serial ecosystem enables multiple physical standards via simple cable swaps
- Supports sync/async operation for broad interoperability
- Ideal for leased-line, SCADA, and lab interconnect scenarios
- Tight ISR integration for QoS, ACL, and routing features

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: Which routers support this HWIC?
A: ISR routers with HWIC slots, such as many 1800/1900/2800/2900/3800/3900 models. Check the specific router data sheet for HWIC support.

Q: Does it include Smart Serial adapter cables?
A: No. Appropriate Smart Serial adapter cables (e.g., to V.35, X.21, RS-232, etc.) must be sourced separately.

Q: Does it support both synchronous and asynchronous operation?
A: Yes, each port supports sync and async modes subject to IOS feature support.

Q: What protocols can I run over the serial links?
A: Commonly PPP and HDLC; legacy Frame Relay may be possible depending on provider and IOS features.

Technical Specifications

- Ports: 2 x Serial (sync/async)
- Connector type: Smart Serial (uses breakout cables for interface type)
- Interface standards (via appropriate cable): EIA/TIA-232, EIA/TIA-449, V.35, X.21, EIA-530/530A
- Encapsulations: PPP, HDLC, Frame Relay (provider dependent)
- Use cases: Leased-line, back-to-back serial lab links, SCADA/industrial, out-of-band WAN
- Router slot type: HWIC
- Compatibility: ISR platforms with HWIC slots (e.g., select 1800/1900/2800/2900/3800/3900 series)
- Cables: Smart Serial adapter cables required (not typically included)
- Clocking: DTE/DCE (external/internal clocking as supported by router IOS/feature set)

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