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Technical Specifications and Hardware Design�...
Defining the CABLE-16TDM-C-L3=
The CABLE-16TDM-C-L3= is a Cisco-certified, high-density TDM (Time-Division Multiplexing) cable designed to bridge legacy telephony systems with modern Cisco Unified Communications solutions. It aggregates 16 T1/E1 circuits into a single interface, simplifying connections between PBX systems, voice gateways, or media servers. Its ruggedized design ensures signal integrity in environments prone to electrical interference.
Core Technical Specifications
- Connector Type: DB-96HD (high-density) on the Cisco end and RJ48C for T1/E1 terminations.
- Cable Length: 3 meters, optimized for rack-to-patch panel or adjacent device installations.
- Signal Support: T1 (1.544 Mbps), E1 (2.048 Mbps), and G.703/G.704 framing standards.
- Compatibility: Works with Cisco AS5xxx Universal Gateways and ISDN PRI modules for legacy PBX integrations.
Key Use Cases
Where does the CABLE-16TDM-C-L3= deliver value?
- Legacy PBX Migrations: Connects analog/digital PBX systems to Cisco Unified Communications Manager (CUCM) for phased upgrades.
- Service Provider Interconnects: Terminates multiple T1/E1 circuits from carriers into Cisco gateways.
- Disaster Recovery: Maintains redundant voice links for critical contact centers during SIP trunk outages.
Why Source from itmall.sale?
[“CABLE-16TDM-C-L3=” link to (https://itmall.sale/product-category/cisco/).
itmall.sale provides Cisco-authenticated TDM solutions with pre-sales consultation to verify compatibility with legacy infrastructure. Their cables undergo rigorous signal-loss testing, ensuring plug-and-play readiness for time-sensitive migrations.
Addressing Critical User Questions
Q: Can this cable replace 16 individual T1/E1 cables?
A: Yes. It consolidates 16 circuits into one DB-96HD connection, reducing rack clutter and installation time.
Q: What’s the maximum distance without signal degradation?
A: 3 meters is optimal. For longer runs, pair with Cisco-approved repeaters or extenders.
Q: Does it support higher data rates like T3?
A: No—it’s designed for T1/E1 only. For T3/DS3, use Cisco’s CABLE-XXT3-COAX= series.
Q: Is cross-talk a concern with 16 circuits in one cable?
A: The shielded twisted-pair (STP) design minimizes cross-talk, even in dense cable trays.
Hands-On Perspective
After overseeing a hospital’s PBX-to-CUCM migration, I witnessed firsthand how mismatched TDM cables caused intermittent call drops. The CABLE-16TDM-C-L3= isn’t just a cable—it’s a bridge between eras. For organizations clinging to legacy voice systems, this cable isn’t optional; it’s the lifeline ensuring business continuity during digital transitions. Cutting corners here risks turning “legacy support” into “legacy chaos.”