Cisco

Cisco CAB-SS-X21FC | Smart Serial to DB15 female (X.21) DCE cable, 26-pin to DB-15F, shielded

SKU:CAB-SS-X21FC

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Description

Smart Serial-to-X.21 DCE cable for connecting Cisco Smart Serial interfaces to X.21 DTE equipment. Provides clocking on the DCE side and terminates to DB-15 female for X.21. Ideal for E1/leased-line environments using X.21 signaling.

Features

- Smart Serial to X.21 interop with proper DCE signaling
- Secure DB-15F termination for X.21 devices
- Shielded design reduces cross-talk and EMI
- Ideal for lab, staging, and production leased-line links

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 the DCE or DTE variant?
A: It is the DCE variant for X.21 (provides clocking).

Q: What equipment does the DB-15 side connect to?
A: X.21 DTE equipment such as CSU/DSUs or carrier-provided X.21 interfaces.

Q: Can I use this on any Smart Serial port?
A: Yes, it is designed for Cisco Smart Serial interfaces that support X.21 operation.

Q: Does this replace an Ethernet cable?
A: No. It is a serial WAN cable for X.21, not Ethernet.

Technical Specifications

- Interface: Smart Serial ↔ X.21
- Connector A: Cisco Smart Serial 26-pin male
- Connector B: DB-15 female (X.21)
- Role: DCE (provides clocking)
- Shielding: Shielded multi-pair serial cable
- Use case: Connect Smart Serial ports to X.21 DTE/CSU/DSU
- Compatibility: Cisco serial network modules with Smart Serial ports

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