•100BASE-TX Hub Surge Protectors (SP530A-R2–SP532A-R2)— These models protect 4, 8, or 12 RJ-45 ports on a 100BASE-TX hub.
•10BASE-T/100BASE-T Hub Surge Protector (SP512A-R3)—This model protects a 10BASE-T/100BASE-T interface that uses an RJ-45 connector.
•ARCNET® Surge Protector (SP502A)—This model protects your ARCNET devices that use a coax, straight connection.
•CATV Surge Protector (SP517A)—This model protects CATV (cable TV) F59 interfaces.
•Centronics® Surge Protector (SP516A)—This model protects 36-pin Centronics parallel interfaces.
•DDS Surge Protector (SP527A)—This model protects the four active leads on a standard DDS line.
•Thin Protector ST® (SP350A-R2)—This model protects your 10BASE2 ThinNet coaxial devices that use a straight connection.
•AUI Surge Protector (SP362)—This model protects your DB15 AUI interface.
•Thin Protector T (SP501A)—This model protects your devices that use a T-style connector for 10BASE2 ThinNet.
•ThickNet Protectors (SP505A–SP506A)—These models protect your 10BASE5 interfaces that require N-series connectors.
•ISDN Data Line Surge Protectors (SP050A-R2, SP060A-R2)— These models protect terminal adapters, NTUs, and other ISDN equipment. SP050A-R2 is for the U interface; SP060A-R2 is for the S/T interface (8-pin).
•Keyboard Surge Protector for AT® (SP518A-R2)—This model protects 5-pin DIN interfaces.
•Keyboard Surge Protector for PS/2® (SP519A-R2)—This model protects 6-pinmini-DIN interfaces.
•RS-232 Surge Protector for DB25 4-Wire Serial (SP141A)— This model protects Pins 2, 3, 7, and 20 of your RS-232 interface.
•RS-232 Surge Protector for All Wires (SP360A)—This model protects all 25 pins on your RS-232 interface.
•RS-232 Surge Protector for DB9 (SP361A-R2)—This model protects RS-232 ports that use a DB9 connector.
•RS-232 Surge Protector for DB15 (SP507A)—This model protects your RS-232 ports that use DB15 connectors.
•RS-232 Surge Protector for 4-Wire Serial RJ-11 (SP515A-R2)— This model protects 4-wire interfaces that use RJ-11 connectors.
•RS-422 Surge Protector (SP508A)—This model protects your RS-422 or X.21 ports that use DB15 connectors.
•T1 Non-Span Surge Protectors (SP513A-R2, SP526A)—
These models protect T1 interfaces that use RJ-45 connectors.
•Telco Surge Protector (SP365A-R2)—This model protects dialup telco interfaces.
•Token Ring Surge Protector (SP522A-R2)—This model protects 8-wireRJ-45 interfaces.
•Twinax Surge Protectors (SP525A)—This model protects twinax interfaces.
•100BASE-TX Surge Protectors (SP250A-R2–SP251A-R2)— These models protect a CAT5 100BASE-TX interface. The SP250A-R2 is designed to be installed at the building entrance, and the SP251A-R2 is made for point-of-use installation.