4-pair surge protector

The B480 telephone- and data-line surge protector from Citel protects communications cables running from building to building in a campus environment. Available in various voltages for telephone lines, RS-232, RS-422, RS-485, T1, and off-premises extensions, the protector makes input/output connections using screw terminals. Its multistage circuitry safeguards cables from lightning surges and electrical storms. The unit automatically rests after every strike.
June 1, 1998

The B480 telephone- and data-line surge protector from Citel protects communications cables running from building to building in a campus environment. Available in various voltages for telephone lines, RS-232, RS-422, RS-485, T1, and off-premises extensions, the protector makes input/output connections using screw terminals. Its multistage circuitry safeguards cables from lightning surges and electrical storms. The unit automatically rests after every strike.

Citel Inc.

Miami, FL

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