Your Source for New or Used Cisco NM-4A/S=
Cisco 3700 Series  Cisco 3700 Series Network Modules NM-4A/S= 4-Port Async/Sync Serial Network Module
The 16-port (NM-16A) and 32-port (NM-32A) asynchronous (async) network modules provide 16 or 32 EIA/TIA-232 (formerly know as RS-232) data terminal equipment (DTE) serial interfaces at speeds up to 134.4 kbps. These modules use the 68-pin OCTAL Cables such as the CAB-OCTAL-ASYNC= and CAB-OCTAL-MODEM=. The NM-16A and NM-32A modules are often used to provide out of band connectivity to the console ports of other devices in a comm/terminal server setup.
Your Cisco NM-4A/S= is ready for immediate shipment the same day you place your order in most cases and every product we sell comes with an industry leading One-Year Warranty. Plus, with our ADC Warranty Shield program we can even offer you a Lifetime Warranty. Our relationship doesn't end when the sale is completed. It's just beginning. Free technical support is available toll free by calling (888)872-5619.
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