二总线通讯总线布线方式，通讯总线线长3500 米内。127 个可编码地址点( 地址范围1-256)，配接总线制消防电话分机、电话插孔。

并可外挂多线制电话分机和电话插孔。

有互联组网功能，可通过HD363 智能网络路由器互联10 台HDM3310 总线制消防电话总机，互联后总机可进行跨区呼叫、呼叫

转移、总机对叫、故障转移、多方通话等功能。

2U 面板上柜式安装结构(1U=44.45mm)，简洁精致。前面板配有背光液晶屏显示，实时时钟显示，数字组合键盘和内嵌式电话仓。

采用自主专利HWE-BUS 二总线双向信号通讯控制技术。

总线制电话分机或电话插孔的外挂端子可接入豪沃尔品牌多线制分机或插孔，使用方便灵活，电话总机自动识别是否接有外挂，

每个地址可外挂60 只HD230 多线制消防专用插孔或手动报警按钮，每台HDM3310 消防电话总机所带载的现场设备总数不超过

1000 个。

具有电话分机及插孔故障巡检、通讯总线短路保护功能，故障声光报警功能。

具有30 分钟自动语音录音和132 条通话信息记录功能。

工程调试过程中，可选择手动屏蔽或撤销分机或插孔的故障报警，便于工程调试。

支持多方通话，消防电话总机可通过地址操作与多部电话分机呼叫通话。

2N bus-line output, full load with 127 addressable field devices with maximum bus-line distance of 3500 meters. Addressable

field devices including extension and socket, address code range from 1-256.

Capable of networking with other 9 HDM3310 exchanges through network router HD363. After setup, the networking system is

able to realize interregional calling, call and fault transferring, bi-direction calls between exchanges and partition control room

unattended.

Compact design, merely occupies 2U rack room, front-panel integrates backlit LCD screen, digital keyboard, and embedded

telephone handset.

Based on Hover's unique HWE-BUS technology.

Each addressable field device can add-on 60pcs of Hover's conventional socket HD230 or manual call point, and each

HDM3310 has full load no more than 1000 field devices.

The whole system is real-time monitored for short or open cases.

30 minutes automatically talking record and 132 calling record messages.

Able to mute the alert and shield faults when commissioning.

Supporting multi-part talking.