Showing 13030–13040 of 15331 results

- 20 lines per page-Each module contains 2 pages for up to 40-lines per module & up to 160 with 4 daisychained modules-4.3 inch 272x480 TFT Color LCD-Local GUI with animation driven from the host-Compatible with GRP2615. GRP2624 GRP2650 GRP2670 GXV3350 and GXV3450

- Analog Station Set and Central Office Line Protector- Protects up to 4-wires (2-pairs) per jack. Using RJ11/45 connectors (2in/2out pins 3 6 4 5 protected) - Auto-Resetting Technology: PTC resistors open when a surge occurs protecting your equipment but unlike other fuses the PTCs close again once the surge passes. - Expandable modular system - Applications: Analog and Central Office lines for PBX or KSU Agency Approval: UL 497A (Secondary) - Grounding Requirements: Uses Electrical AC Ground - Recommended Grounding Impedance:

- Analog Station Set and Central Office Line Protector- Protects up to 16-wires (8-pairs) using 110 punchdown in/out.- Auto-Resetting Technology: PTC resistors open when a surge occurs protecting your equipment but unlike other fuses the PTCs close again once the surge passes.- Expandable modular system- Applications: Analog and Central Office lines for PBX or KSU- Agency Approval: UL 497A (Secondary)- Grounding Requirements: Uses Electrical AC Ground- Recommended Grounding Impedance:

- Single-height rack mountable 1U chassis - Accommodates up to 12 replaceable RM port modules

- 66 Block Primary or Secondary 75V Surge Protector- UL Primary and Secondary listed with 350mA fuse for voice/fax/modem line (75V) - Dual Indicator Lights: Protection OK and Ground Connection OK - Solid-State Protection - Single Pair Protection: Protect only the lines requiring protection - Ideal for Retrofit Applications: Just remove the bridging clips from the block and replace them with the Protector add the ground connection and the pair is connected - Grounding Requirements: Field-installed solid copper wire - Recommended Grounding Impedance:

- 2 SIP Accounts 2 Lines- GDMS online device management and provisioning- 3-way audio conferencing for easy conference calls- Integrated dual-band 2.4GHz & 5GHz 802.11 a/b/g/n/ac (GHP610W & GHP611W only)- Includes one 100Mbps network port with PoE (GHP610 & GHP611 only)- Speed dial label and swappable faceplate to allow for easy customization- Hearing Aid Compatibility (HAC)- Enterprise-level protection including secure boot dual firmware images and encrypted data storage- Does not include PSU

- 5-way audio conferencing for easy conference calls- GDMS online device management and provisioning- Electronic Hook Switch (EHS) support for Plantronics Jabra and Sennheiser headsets- The GRP2601P includes built-in PoE to power the device and give it a network connection- Enterprise-level protection including secure boot dual firmware images and encrypted data storage- Equipped with noise shield technology to minimize background noise- 2 SIP account 2 lines- *PSU is not included*

- Supports 2 lines and 4 SIP accounts- Supported by GDMS which provides a centralized interface to configure provision manage and monitor Grandstream devices- Electronic Hook Switch (EHS) support for Plantronics Jabra and Sennheiser headsets- Full-duplex speakerphone with HD audio to maximize audio quality and clarity- Equipped with noise shield technology to minimize background noise- The GRP2602P includes built-in PoE to power the device and give it a network connection- Supports 5-way audio conferencing for easy conference calls- Enterprise-level protection including secure boot dual firmware images and encrypted data storage- Swappable faceplate to allow for easy logo customization- *PSU is not included*

- Supports 2 lines and 4 SIP accounts- Supported by GDMS which provides a centralized interface to configure provision manage and monitor Grandstream devices- Electronic Hook Switch (EHS) support for Plantronics Jabra and Sennheiser headsets- Full-duplex speakerphone with HD audio to maximize audio quality and clarity- Equipped with noise shield technology to minimize background noise- Supports 5-way audio conferencing for easy conference calls- Enterprise-level protection including secure boot dual firmware images and encrypted data storage- Swappable faceplate to allow for easy logo customization- GRP2602W includes built-in dual-band Wi-Fi support- *PSU included*- (No POE)

- 2.8" color LCD screen- 3+3 line keys 3 SIP accounts- Gigabit network ports PoE- Digital BLF & speed dial keys 4 programmable soft keys- Support of up to 24 VPKs (4 pages)- 1000 contact phonebook- Opus support- Swappable Faceplate