Serial

Cisco NIM-4T=. Supported protocols: EIA-232, EIA-449, EIA-530, EIA-530A, V.35, and X.21. Bandwidth: 0.08 Gbit/s. Compatibility: Cisco 4400

Cisco NIM-4T. Supported protocols: EIA-232, EIA-449, EIA-530, EIA-530A, V.35, and X.21. Bandwidth: 0.08 Gbit/s. Compatibility: Cisco 4400

Cisco 8-Port Async/Sync Serial HWIC, EIA-232. Host interface: CardBus, Output interface: Serial. Width: 3.11" (79 mm), Depth: 5.59" (142 mm), Height: 0.827" (21 mm). Data transfer rate: 0.256 Mbit/s, Data link protocols: RS-232, Connectivity technology: Wired

Cisco 16-Port Asynchronous High-Speed WAN Interface Card. Host interface: CardBus. Data transfer rate: 0.2304 Mbit/s, Data link protocols: RS-232, Connectivity technology: Wired

Cisco HWIC-16A. Internal. Connectivity technology: Wired

Cisco High-Speed WAN Interface Card serial adapter - 4 ports. Host interface: CardBus. Width: 3.11" (79 mm), Depth: 5.59" (142 mm), Height: 0.827" (21 mm). Data transfer rate: 0.256 Mbit/s, Data link protocols: X.21, V.35, Connectivity technology: Wired

Cisco 8-Port Asynchronous HWIC. Switch type: Unmanaged. Basic switching RJ-45 Ethernet ports quantity: 8

Cisco HWIC-4A/S. Host interface: CardBus, Output interface: Serial. Bandwidth: 0.0256 Gbit/s. Width: 3.11" (79 mm), Depth: 5.59" (142 mm), Height: 0.827" (21 mm)

Cisco HWIC-8A. Internal. Connectivity technology: Wired, Interface: Ethernet

Brainboxes ES-279. Cabling technology: 10/100Base-T(X). Input voltage: 5 - 30 V. Supported network protocols: TCP/IP. Weight: 30.7 oz (870 g), Dimensions (WxDxH): 4.82 x 8.46 x 2.2" (122.5 x 215 x 56 mm). Safety: IP-30

Cisco NIM-1T=. Compatibility: Cisco 4400. I/O ports: Serial WAN

Digi One IA. Input voltage: 9 - 30 V. Supported network protocols: RFC 2217, TCP/UDP, DHCP/RARP, ARP-Ping, Modbus ASCII/RTU. Weight: 2.26 oz (64 g), Dimensions (WxDxH): 9.06 x 4.72 x 3.98" (230 x 120 x 101 mm). Compatible operating systems: Windows 7/Vista/XP/Server 2003/Server 2008 SCO OpenServer 5/6 Solaris Intel/SPARC Linux HP-UX AIX. Safety: UL 60950, UL1604, EN60950, CAN/CSA C22.2 No.60950

StarTech.com ICUSB234858I. Host interface: USB 2.0, Hub interfaces: Serial. Product color: Black, Housing material: Steel, LED indicators: Power. Power source type: AC, Power consumption (typical): 36 W, Input voltage: 100 - 240 V. Windows operating systems supported: Windows 10, Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10..., Mac operating systems supported: Mac OS X 10.10 Yosemite, Mac OS X 10.11 El Capitan, Mac OS X 10.12 Sierra, Mac OS X 10.13 High..., Server operating systems supported: Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016, Windows.... Width: 5.04" (128 mm), Depth: 8.62" (219 mm), Height: 0.984" (25 mm)

Cisco NIM-1T. Compatibility: Cisco 4451-X. Width: 3.5" (88.9 mm), Depth: 7.24" (183.9 mm), Height: 1.25" (31.8 mm). I/O ports: Serial WAN

Cisco 2-Port A/S Serial HWIC Front Panel. Host interface: Serial

Brainboxes ES-701. Output interface: Serial, Serial interface type: RS-232. Product color: Black, Certification: EMC CE, WEEE, TAA, AEO C-TPAT. FIFO (First In, First Out): 2048 B. Power consumption (typical): 1.35 W. Width: 4.84" (123 mm), Depth: 8.46" (215 mm), Height: 1.34" (34 mm)

Cisco HWIC-2A/S. Product color: Gray, Material: Metal

Brainboxes PX-260. Host interface: PCIe, Connector(s): DB9. Width: 3.74" (95 mm), Depth: 0.787" (20 mm), Height: 3.15" (80 mm)