Connect serial cable (pinout varies by product) into console port. Open PuTTY or another terminal emulator. Set the serial connection settings to: bps. Enterasys SecureStack A2 A2H - switch - 24 ports (A2H) SecureStack A2 with (24) 10/ ports, (2) mini-GBIC ports, and (2) 10// Find great deals for Enterasys Networks A2h SecureStack A2 Switch. Shop with confidence on eBay!