Hikvision 128-Zone Hybrid Alarm Control Panel with LAN, WiFi, 4G Video, EN50131 Grade 2 Verification
DS-MX502-128-4G/IT - AX Hybrid Pro G2 is an advanced burglar alarm control panel designed for professional security systems, with support for up to 128 zones and 128 outputs and management of 64 independent areas for complex installations. It integrates complete connectivity thanks to LAN, Wi-Fi and optional 4G/GPRS/PSTN modules , ensuring reliable and redundant communications to monitoring stations. Dual bus technology with up to 64 devices per bus ensures high scalability, while support for video verification of up to 16 IP channels improves event control. It offers advanced user management with 128 operators and intelligent automations, as well as compatibility with ISUP and OTAP protocols. EN50131 Grade 2 certified, it represents a complete, secure and highly integrable solution for advanced alarm systems. Hikvision
DS-MX502-128-4G/IT – HYBRID INTRUSION CONTROL PANEL

The Hikvision DS-PA502-128 AX Hybrid Pro G2 is an advanced hybrid burglar alarm control panel designed for professional security systems, supporting up to 128 zones and 128 outputs and managing 64 independent areas. It integrates LAN, Wi-Fi connectivity and optional 4G/GPRS/PSTN modules, ensuring reliable and redundant communications to monitoring stations. The dual bus structure with up to 64 devices per bus offers high scalability and installation flexibility. It supports up to 16-channel IP video verification for advanced event control and features user management for up to 128 operators. Compatible with ISUP and OTAP protocols, it is EN50131 Grade 2 certified for maximum security and reliability.
Main features:
- 128 zones and 128 outputs
- 64 independent areas
- Optional LAN, Wi-Fi and 4G/GPRS/PSTN connectivity
- Dual bus up to 64 devices per line
- Video verification up to 16 IP channels
- Management of up to 128 users/operators
- ISUP and OTAP protocols
- EN50131 Grade 2 Certification
Further details
It integrates IP video verification function for up to 16 channels (720p) , allowing you to associate video clips with alarm events for immediate visual verification and reduction of false alarms .
It integrates Ethernet LAN, 2.4GHz Wi-Fi and optional 4G/GPRS/PSTN support , ensuring multiple and redundant communications for an always-on connection.
Technical data sheet
| DS-MX502-128-4G/IT | |
| Inputs (Zones) | |
| Max. Zones | 128 |
| On-board zones | 8 |
| Bus PIR cameras | 48 |
| Outputs | |
| Max. outputs | 128 |
| On-board PGM outputs | 2 |
| On-board relay outputs | 2 |
| Auxiliary Power Output | 2 |
| On-board sounder output | 1 |
| Areas | |
| Area | 64 |
| Peripherals | |
| Keypads | 32 |
| 8-zone expanders | 16 |
| 8-relay expanders | 32 |
| Wireless receivers | 12 |
| Power supply units | 15 |
| Video verification | |
| Network camera channels |
32 |
| Video verification network camera channels |
Up to 16 (720p) Up to 8 (1080p) |
| Video verification clip duration |
7 seconds |
| Pre-record |
2 or 5 seconds |
| Programming | |
| Automation scenarios | 256 |
| Event Log | |
| Event log records | 4950 including 1000 mandatory in flash memory |
| User | |
| Admin | 1 |
| Installer | 1 |
| Max. operators | 128 |
| User (Cloud) | 64 |
| Authorization devices | |
| Keyfobs |
64 |
| Tags |
252 |
|
Bus interconnection |
|
| Bus ports | 2 |
| Bus technology | Half-Duplex RS-485 |
| Bus wiring | 4-Core Alarm Cable (at least 2 × 0.5 mm² + 2 × 0.22 mm²) |
| Bus topologies | Daisy Chain, Cascade, Star, Ring |
| Range per Bus | Up to 500m (Up to 7.5km with bus-extenders, Up to 4km in loop mode, Up to 1km in compatible mode) |
| Bus extenders for buses | Up to 15 pcs, 500m in between |
| Devices per Bus | 64 (32 in compatible mode) |
| Communication interfaces | |
| LAN/Ethernet | 10/100 Mbps self-adaptive |
| Wi-Fi | 802.11b/g/n (2.4GHz) |
| GPRS | Compatible with DS-PC501G(Optional) |
| 4G/LTE | Compatible with DS-PC502S (Optional) |
| PSTN | Compatible with DS-PM2-P(Optional) |
| ARC connectivity | |
| ARCs | 4 |
| Signaling protocols | ISUP, Contact ID(PSTN), SIA DC-09, CSV-IP, OTAP |
| Ack. operation | Pass-through |
| ATS Categories | SP3, DP2 (with optional GPRS/4G communicator) |
| 3rd party communicator | Compatible with FSK, RDC, IDS modules |
| Power supply - general | |
| PS type | Type A |
| Quiescent current | 130 mA @15VDC (when on battery) |
| Power supply - primary power supply | |
| Mains Input | 100-240VAC 50/60Hz, 0.3A |
| Power supply capacity | 15.3 VDC 2.5 A (0.5 A dedicated to battery) |
| Power supply - auxiliary power supply | |
| Battery pack | 1 × rechargeable sealed lead-acid (SLA) battery (not included by default) |
| Battery capacity | 12VDC, up to 7Ah (≥ 5600 mAh in charged state) |
| Recommended battery | OUTDO OT7-12 (7Ah), Yuasa NP7-12FR (7Ah) |
| Battery standby | Up to 12 hours |
| Recharge period | 24 hours to 80% (5600 mAh) |
| Floating voltage | 13.8VDC |
| Low energy voltage | 11.60±0.5 V (Restore when rise above 11.74±0.5 V) |
| Cut-off voltage | 11.0 VDC for deep-discharge protection |
| Power supply - auxiliary power output | |
| Output capacity | Nominal 14.5VDC 1.5A, range 10.7-15 VDC with up to 120 mV ripple (Vpp) |
| Output protection | 1.7 A resettable eFuse |
| Power supply - bus power output | |
| Output capacity | Nominal 14.5VDC, range 10.7-15 VDC with up to 120 mV ripple (Vpp), max. 20W (shared AUX power output) |
| Output protection | (Shared AUX power output) |
| Power supply - sounder power output | |
| Output capacity | Nominal 14.5VDC 1.0A, range 10.7-15 VDC with up to 120 mV ripple (Vpp) |
| Output protection | 1.3 A resettable eFuse |
| PGM output | |
| Output capacity | 0 VDC with switched (NPN output) |
| Max. current | 200 mA per output |
| Relay output | |
| Relay output | 3A 30VDC, 1A 250VAC |
| Environmental | |
| Operating temperature | -10°C to 50°C (14°F to 122°F), indoor use only |
| Storage temperature | -20°C to 60°C (-4°F to 140°F) |
| Relative humidity | 10% ~ 90% non-condensing |
| Physical | |
| Dimensions (W × H × D) | 231 × 133 × 44 mm |
| Weight | 488 g |
| Compliance | |
| Electrical compliance | CE, CB |
| EN 50131 | Security Grade 2, Environmental Class II |


