Expansion / Connectivity Expansion Slots::3 (total) / 3 (free) x NIM ¦ 1 (total) / 1 (free) x ISC ¦ 2 (total) / 2 (free) x Enhanced Service Module (SM-X) ¦ 2 (total) / 0 (free) x DIMM 240-pin Interfaces::WAN / LAN: 3 x 10Base-T/100Base-TX/1000Base-T - RJ-45 ¦ Serial: 1 x console - RJ-45 ¦ Management: 1 x console - mini-USB Type B ¦ Serial: 1 x auxiliary - RJ-45 ¦ USB 2.0: 2 x 4 pin USB Type A ¦ 3 x SFP (mini-GBIC) ¦ Management: 1 x RJ-45 General Compliant Standards::IEEE 802.3, IEEE 802.1Q, IEEE 802.3ah, IEEE 802.1ag, ANSI T1.101, ITU-T G.823, ITU-T G.
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