T1-E1 PSTN Interface Cards
The T1/E1 PSTN Interface card is a TNV1 compliant digital interface card with integrated Channel Service Unit (CSU) function for direct connection to
outside plant wiring. This card has board-mounted protection circuits for electrical isolation and protection against power crossing, lightning surges and
hazardous voltages.
Card Port Versions
Port Status LEDs
Hot Swap Status LED
T1/E1 Port Pinouts
Card Port Versions
The T1/E1 PSTN Interface card comes in 2, 4 or 8 T1/E1 ports. All T1/E1 ports on the card have identical electrical circuit design.
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