HWIC-4T Overview
Serial and asynchronous modules provide highly flexible connections for Cisco® 1800, 1900, 2800, 2900, 3800, and 3900 Series Integrated Services Routers (ISRs). These modules help customers enable applications such as WAN aggregation, transport for traditional protocols, console servers, and dial access servers. Customers can mix and match modules to tailor cost-effective solutions for common networking problems such as remote network management, external dial-modem access, low-density WAN aggregation, transport for traditional protocols, and high-port-density support.
Quick Spec
Figure 1 shows the appearance of HWIC-4T.
Table 1 shows the quick spec.
| Product Number | HWIC-4T |
| Product Description | 4-Port Serial HWIC Cisco Router High-Speed WAN Interface card, 8 Mbps per port |
| Synchronous support | Yes |
| Synchronous maximum speed (per port) | 8 Mbps |
| Asynchronous support | Yes |
| Asynchronous maximum speed (per port) | 230.4 kbps |
| Bisync support | Yes |
| Serial protocols | EIA-232, EIA-449, EIA-530, EIA-530A, and V.35, X.21 |
| Lead manipulation | Yes |
| Network clock synchronization | Yes |
| Dimensions(H x W x D) | 0.8 x 3.1 x 5.6 in. (2.1 x 7.9 x 14.2 cm) |
Supported Devices
Table 2 shows the supported devices of HWIC-4T.
| HWIC Product Number | Cisco 1841 ISR
|
Cisco 1941 ISR | Cisco 2800 Series | Cisco 2900 Series | Cisco 3800 Series | Cisco 3900 Series |
| HWIC-4T | No | No | Yes | Yes | Yes | Yes |
HWIC-4T Specification
HWIC-4T Specification |
|
| Product Number | HWIC-4T |
| Product Description | 4-Port Serial HWIC Cisco Router High-Speed WAN Interface card, 8 Mbps per port |
| Synchronous support | Yes |
| Synchronous maximum speed (per port) | 8 Mbps |
| Asynchronous support | Yes |
| Asynchronous maximum speed (per port) | 230.4 kbps |
| Bisync support | Yes |
| Serial protocols | EIA-232, EIA-449, EIA-530, EIA-530A, and V.35, X.21 |
| Lead manipulation | Yes |
| Network clock synchronization | Yes |
| Dimensions(H x W x D) | 0.8 x 3.1 x 5.6 in. (2.1 x 7.9 x 14.2 cm) |
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