4-Port E1 G.703 Serial Port Adapter, 120ohm, Balanced for 7000 Series
Cisco PA-4E1G/120=, PCI, Serial, DB-15, 2 Mbit/s, Wired
Cisco PA-4E1G/120=. Host interface: PCI, Output interface: Serial, Connector(s): DB-15. Transfer rate: 2 Mbit/s, Connectivity technology: Wired