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HWIC-8A/S-232
8-Port Async/Sync Serial HWIC, EIA-232 Cisco Router High-Spe...
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HWIC-8A/S-232 is a high-speed WAN interface card that delivers eight asynchronous serial ports in a compact modular design. Designed for integration into Cisco routers, this module supports serial communication speeds of up to 115.2 kbps per port with DB9 RS-232 connectors, ensuring reliable data transmission for critical WAN applications.
Engineered for environments that demand robust and flexible connectivity, the HWIC-8A/S-232 supports essential protocols such as PPP and HDLC for secure and efficient communications. Its easy installation into standard HWIC slots makes it an ideal solution for upgrading network interfaces, managing remote assets, and ensuring seamless integration with legacy communication systems.
HWIC-8A/S-232 price is $1,158.00, a 65.9% saving from the Cisco list price of $3,400.00. HWIC-8A/S-232 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for HWIC-8A/S-232 for additional pricing. Browse the full Router Ehwic Wan Cards series or explore all Cisco products.
Scenario: A national retail chain deploys the HWIC-8A/S-232-8-Port Async/Sync Serial HWIC, EIA-232 Cisco Router High-Speed WAN Interface card in each of its 50 branches to aggregate up to eight POS terminals and ATM devices on a single Cisco ISR. Benefit: This centralized serial consolidation lowers branch hardware footprint by 60%, streamlines WAN management, enforces PCI-compliant encryption end-to-end, and delivers a 30% reduction in operational expenses.
Scenario: A manufacturing plant integrates eight legacy PLCs, barcode scanners, and motion-control modules over EIA-232 links using the HWIC-8A/S-232-8-Port Async/Sync Serial HWIC on its Cisco ISR. Benefit: By supporting both synchronous and asynchronous serial speeds up to 230.4 kbps, the solution ensures real-time SCADA visibility, reduces unplanned downtime by 40%, and accelerates maintenance workflows through out-of-band management.
Scenario: A Wall Street trading firm leverages the HWIC-8A/S-232-8-Port Async/Sync Serial HWIC, EIA-232 Cisco Router High-Speed WAN Interface card to terminate eight independent market-data and order-routing serial links across dual redundant ISRs. Benefit: This design delivers sub-5 ms failover, maintains 99.999% uptime under peak load, and provides deterministic throughput for ultra-low-latency trading strategies.
To get the detailed certification, please go to the Compliance Center.
 HWIC-8A/S-232 |  EHWIC-D-8ESG-P |  EHWIC-VA-DSL-B |  HWIC-4T1/E1 |  HWIC-ADSLI-B/ST | |
|---|---|---|---|---|---|
| Product Type | Network Module / Network Card | Network Module / Network Card | WAN Module | WAN Module | WAN Module |
| Module Type | HWIC | Ethernet | DSL | T1/E1 | WAN |
| Data Rate | 115.2 kbps | 1Gbps | N/A | 1.544Mbps / 2.048Mbps | ADSL: Up to 8 Mbps downstream, 1 Mbps upstream |
| Connector Type | DB9 RS-232 | RJ-45 | RJ-11 | RJ-48 | RJ-11 |
| Supported Protocols | PPP / HDLC | TCP/IP | DSL, PPP, ATM | PPP/HDLC | TCP/IP, PPP |
| Form Factor | Modular | Modular | EHWIC | Modular (HWIC) | HWIC/EHWIC Modular |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 55°C | 0 to 70°C | 0 to 70°C |
| Storage Temperature | -40 to 85°C | -40 to 85°C | N/A | -40 to 85°C | -40 to 85°C |
| Input Voltage | 5V | 3.3V | N/A | 3.3V | N/A |
| Compatibility | Cisco Routers | Cisco | Cisco Integrated Services Routers | Cisco | Cisco Integrated Services Routers |
| Max Speed | 115.2 kbps | 1Gbps | N/A | 1.544Mbps / 2.048Mbps | 8 Mbps downstream, 1 Mbps upstream |
| Supported Features | Auto-flow control, Error Detection | Auto-negotiation / Wake-on-LAN / Jumbo Frames / QoS | Auto-configuration, Quality of Service | N/A | Auto-negotiation, PPP support |
| Power Consumption | N/A | N/A | N/A | N/A | N/A |
| Interface Ports | RS-232 | Ethernet | DSL | T1/E1 | 1 x RJ-11 |
| Expansion Slots | HWIC slot | EHWIC | EHWIC | EHWIC | HWIC/EHWIC slots |
| Product Name | HWIC-8A/S-232 | EHWIC-D-8ESG-P | EHWIC-VA-DSL-B | HWIC-4T1/E1 | HWIC-ADSLI-B/ST |
| Height | N/A | N/A | N/A | N/A | N/A |
| Width | N/A | N/A | N/A | N/A | N/A |
| Depth | N/A | N/A | N/A | N/A | N/A |
| Weight | N/A | N/A | N/A | N/A | N/A |
The HWIC-8A/S-232 card provides excellent serial connectivity. It's reliable, easy to install, and has improved the performance of our Cisco router.
We use the HWIC-8A/S-232 for reliable serial communication. It works perfectly with our router and has been a great addition to our network.
The HWIC-8A/S-232 is a great card for serial connectivity. It's stable, easy to configure, and has improved our overall network performance.
The HWIC-8A/S-232 card has delivered exceptional performance. It's been reliable, easy to install, and provides stable serial connections for our network.
This card offers excellent reliability. The HWIC-8A/S-232 is perfect for expanding our serial connectivity, making our network more efficient.
The Cisco HWIC-8A/S-232 is an 8-port asynchronous/synchronous serial High-Speed WAN Interface Card (HWIC) for Cisco ISR routers, providing EIA-232 connectivity for voice, data, and point-of-sale applications.
The HWIC-8A/S-232 provides eight independent EIA-232 serial ports, each configurable for asynchronous or synchronous communication.
The HWIC-8A/S-232 is supported on Cisco ISR Generation 2 routers, including the 1900, 2900, and 3900 series.
The HWIC-8A/S-232 supports asynchronous data rates up to 230.4 kbps per port and synchronous data rates up to 2.048 Mbps per port.