Cisco 2503 2500 Series Single LAN Router CISCO2503 Dual Serial 1x ISDN BRI

Interfaces: WAN : 2.0 x Ethernet 10Base-T - 15 pin D-Sub (DB-15) - 2.0, Serial : 1.0 x Synchronous - RJ-45 - 1.0, 1.0 x Ethernet AUI - RJ-45 - 1.0, 1.0 x ISDN BRI - 60 pin D-Sub (DB-60) - 1.0. Digital Signaling Protocol: ISDN BRI.

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