Viavi (Aeroflex IFR)
Viavi (JDSU) HST3000-4WLL
DDS 4-Wire Local Loop Module
4-Wire Leased Line Interface Type
HST-3000 Handheld Services Tester Test Platform
Voltage, Current, Resistance, Capacitance, and Longitudinal Balance Measurement Capabilities
Supports 4-wire metallic loop testing and transmission measurements Loop Testing
300 Hz to 3400 Hz (voice band) Frequency Range

| Attribute | Value |
|---|---|
| Interface Type | 4-Wire Leased Line |
| Test Platform | HST-3000 Handheld Services Tester |
| Measurement Capabilities | Voltage, Current, Resistance, Capacitance, and Longitudinal Balance |
| Loop Testing | Supports 4-wire metallic loop testing and transmission measurements |
| Frequency Range | 300 Hz to 3400 Hz (voice band) |
| Signal Level Measurement | dBm, dBrn, and dBrnC noise measurements supported |
| Power Requirements | Compatible with HST-3000 mainframe battery and AC adapter power |
| Form Factor | Plug-in module for HST-3000 mainframe |
| Compliance Standards | IEEE and ITU-T transmission measurement standards |
| Operating Temperature | -10°C to +50°C (14°F to 122°F) |
Viavi (JDSU) HST3000-4WLL Options:
- FIT-FCSW-KIT1 - Kit: FiberChek Sidewinder probe – WiFi, Case, FCPP-OLA-1, tip case
- FIT-FCSW-KIT1-NW - Kit: FiberChek Sidewinder probe – NO WiFi, Case, FCPP-OLA-1, tip case
- FIT-FCSW-KIT2 - Kit: FiberChek Sidewinder probe – WiFi, Case, FCPP-OLA-1, FCPT-MTP, FCPT-MTPA, tip case
- FCPT-MTP - Tip, MTP Bulkhead, for FiberChek Sidewinder
- FCPT-MTPA - Tip, MTP APC Bulkhead, for FiberChek Sidewinder
- FCPP-OLA-1 - Objective Lens Assembly, for FiberChek Sidewinder
- FCPP-SCASE4 - Carrying Case, for FiberChek Sidewinder
- FCPP-RDC1 - Replacement Dust Cap for FiberChek Sidewinder
- FBPP-GC-6 - Tip and Adapter Case, clear plastic
| Model | HST3000-4WLL |
|---|
The Viavi JDSU HST3000-4WLL module facilitates precise testing of analog 4-wire leased lines, supporting loopback, VF signaling, and noise analysis. It integrates seamlessly with the HST-3000 base unit and features a high-resolution display and intuitive menu navigation.
Ideal for telecom field technicians, it verifies circuit quality and signal integrity effectively with reliable diagnostics and user-friendly controls.
Testwall can supply the used Viavi JDSU HST3000-4WLL, fully tested. With expert support and global delivery, Testwall ensures high-performance instrumentation with unmatched reliability and service quality. Please contact us directly if you need calibration or repair of the Viavi JDSU HST3000-4WLL





