DS-PM1-O4L-H

Manufacturer reference

Manufacturer details describe the cited version. Confirm the exact unit and intended system.

Relay and bus references

Device class

Wired 4-way low current relay expander

Relay channels

Four on-board low-current relays are listed. The unqualified headline current is not assigned as a universal load rating.

Speed-X bus roles

Two Speed-X ports:one uplink to the control panel and one downlink for the next expander. They are not two Ethernet ports or two wireless radios.

Control-system reference

The introduction names command control through Speed-X from an AX Hybrid Pro control panel. Confirm the exact panel and firmware; this is not an AX PRO wireless module equivalence.

Tamper monitoring

Front and rear tamper protection is listed.

Service serial interface

One TTL serial port is listed. No external modem or third-party bus compatibility is inferred.

Power measurements and auxiliary output

Maximum consumption at 12 V

153 mA maximum at 12 V DC is the stated measurement. It is not a relay-load current or proof of the unresolved input-voltage range.

Quiescent consumption at 12 V

70 mA quiescent at 12 V DC is listed, separate from the maximum consumption and load budget.

Auxiliary output current

One power output with maximum 500 mA is listed. This is distinct from the relay contact loads and module consumption.

Auxiliary output voltage

9–12 V DC is listed for the auxiliary output. It is not a device-input or switched-relay voltage range.

Physical and operating references

Status LEDs

One power and one fault LED are listed.

Housing material

Plastic housing is listed. No fire, impact or ingress-protection rating is inferred.

Weight reference

285 g is listed. It is not a packaged or complete cascaded-system weight.

Operating conditions

-10 to 40 °C and 10–90% humidity are listed. Confirm the enclosure and installation environment.

Selection notes

• This reference applies only to DS-PM1-O4L-H in the cited manufacturer document. Confirm the actual hardware, firmware, region, panel, power budget and supplied configuration; WB, WE, kit and other suffixes are not interchangeable.
• Manufacturer capacity and component lists do not confirm ISD supplied contents, stock, price, ETA, local warranty, authorisation or Malaysian regulatory suitability. ISD supplies products only.
• Qualified personnel must confirm the exact system, radio version, detector circuits, battery/power budget and relay loads. Use official instructions; no installation or monitoring service is included.

Official documents

• Hikvision DS-PM1-O4L-H official datasheet

Manufacturer source checked 2026-10-20. The supplied unit and local terms require confirmation.