Serial and asynchronous high-speed WAN interface cards (HWICs) provide highly flexible connections for Cisco1800, 1900, 2800, 2900, 3800, and 3900 Series Integrated Services Routers. These HWICs help customers enable applications such as WAN access, legacy protocol transport, console server, and dial access server. You can mix and match HWICs to tailor cost-effective solutions for common networking problems such as remote network management, external dial-modem access, low-density WAN aggregation, legacy protocol transport, and high-port-density support.
Cisco offers four new serial and asynchronous HWICs:
• Cisco 1-Port T1/Fractional T1 DSU/CSU WAN Interface Card (HWIC-1DSU-T1)
• Cisco 1-Port Serial WAN Interface Card (HWIC-1T)
• Cisco 2-Port Serial WAN Interface Card (HWIC-2T)
• Cisco 2-Port Asynchronous/Synchronous Serial WAN Interface Card (HWIC-2A/S)
Cisco 1-Port Serial WAN Interface Card (HWIC-1T)
Synchronous Maximum Speed (Per Port)
Asynchronous Maximum Speed (Per Port)
EIA-232, EIA-449, EIA-530, EIA-530A, V.35, and X.21
Network Clock Synchronization
TBR1 and 2
UL 60950, CAN/CSA 22.2, CSA60950, GB 4943, AS/NZS 60950, EN60950, IEC 60950
EN300386, CISPR24, EN55024, EN50082-1, 61000-4-2/3/4/5/6/8/11
FCC Part 15 Class A, ICES-003 Class A, EN55022 Class A, CISPR22 Class A, AS/NZSCISPR22 Class A, VCCI Class A, EN 300386, EN61000-3-2/3, CNS13438
Singlewide HWIC, no slot restrictions
Dimensions (H x W x D) 0.8 x 3.1 x 5.6 in. (2.1 x 7.9 x 14.2 cm)
Operating temperature: 32 to 104°F (0 to 40°C)
NEBS short-term operating temperature: 32 to 131°F (0 to 50°C)
Storage temperature: -4 to 149°F (-20 to 65°C)
Relative humidity: 10 to 90%, noncondensing
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