4-Port Serial Shared Port Adapter, Spare
Cisco SPA-4XT-SERIAL=, Serial, Silver, EIA-232, EIA-449, EIA-530, EIA-530A, V.35, X.21, 11 W, 5 - 40 °C, -40 - 70 °C
Cisco SPA-4XT-SERIAL=. Output interface: Serial. Product colour: Silver. Protocols: EIA-232, EIA-449, EIA-530, EIA-530A, V.35, X.21. Power consumption (typical): 11 W. Width: 171.5 mm, Depth: 184.9 mm, Height: 20.3 mm