

So, I'd connect via the serial console port and see what is going on in the config. The situation you describe kind of suggests you might have an ACL on the IP Management interface that is rejecting your attempt to login via SSH. So, I'd budget to replace those devices next year if you can. Compatible with Mac OS X 10.6, 10.7, 10.8, 10.9, 10.10, 10.11, 10.12, 10.You are six months away from the official End of Vulnerability & Security Support for the 5548UP.CDwith driver software and Owner's Manual.USA-19HSKeyspan High-Speed USB-to-Serial Adapter.Compliant with the Federal Trade Agreements Act (TAA) for GSA Schedule purchases. Works with Windows (up to 10) and Mac OS X (up to 10.13). Easy to upgrade with free software downloads. Windows line monitor and data trace software included. This adapter requires no external power and, at just 2 ounces, packs away easily in your laptop bag for use on the go. The USA-19HS works with any USB cable up to 16 feet. The included 3-foot detachable cable supports data transfer speeds up to 230 Kbps-twice as fast as a built-in serial port. Widely recommended by serial device manufacturers, the USA-19HS attaches to switches, routers, barcode scanners, GPS units, point-of-sale devices, lab equipment, network storage devices and other devices with a 9-pin serial port. The USA-19HS Keyspan® High-Speed USB-to-Serial Adapter allows you to connect a serial device to a computer or laptop with a USB Type-A port.
