Cisco

Cisco CAB-T3-E3-25 | T3/E3 dual-coax cable, BNC male–male (Tx/Rx pair), 25 ft (7.6 m), 75 Ω, for DS3/E3 interfaces

SKU:CAB-T3-E3-25

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Description

Purpose-built 75-ohm dual-coax cable pair for connecting DS3/E3 router interfaces to a CSU/DSU or service handoff. Each end presents dual BNC male connectors for transmit and receive; 25 ft length supports flexible routing.

Features

- Dual BNC male connectors for dedicated Tx/Rx
- 75 Ω impedance matched for DS3/E3 circuits
- 25 ft reach for flexible equipment placement
- Shielded coax reduces signal loss and interference
- Rugged molded BNC heads with strain relief

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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FAQs

Technical Specifications

FAQs

Q: Is this a single BNC lead or a dual Tx/Rx pair?
A: It is a dual-coax pair with two BNC male connectors at each end (one for transmit, one for receive).

Q: What impedance does it support?
A: 75 ohms, as required for DS3/E3 circuits.

Q: Can I use this for video/SDI instead of DS3/E3?
A: It is designed and pinned for DS3/E3 network interfaces; video use is not recommended.

Technical Specifications

- Interface support: DS3 (T3, 44.736 Mbps) / E3 (34.368 Mbps)
- Impedance: 75 Ω coax
- Connectors: dual BNC male (Tx/Rx) to dual BNC male (Tx/Rx)
- Length: 25 ft (7.6 m)
- Use case: router PA/NIM/port adapter to CSU/DSU or carrier demarc
- Construction: shielded coax for low loss and EMI resistance
- Color coding: paired leads for clear Tx/Rx identification
- Compatibility: DS3/E3 BNC-equipped network modules and appliances

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