Showing 8930–8940 of 15331 results

8 1/2" METAL SPEAKER GRILL

- Nationwide Installation Available- Cost-effective communication for 25 to 75 rooms- Can be furnished with 1, 2 or 3 room selector panels (each with 25 switches), to accommodate up to 25, 50, or 75 rooms (model SBA225)- Step-by-step instructions and color-coded guidelines for easy operation- Instant Emergency and All Rooms announcements- Remote emergency paging capabilities- 20-watt intercom; separate 35-watt program channel- Provision for time signalling, telco and voice call-in- Aural and visual monitoring of program material, as well as level controls- Transmit a time tone for classroom change, etc.- Emergency All-Call with a single push-button- Emergency announcements take precedence over all system functions and are transmitted at a predetermined level- Emergency paging from a remote telephone or microphone- Teachers converse hands-free with the control center operator over their individual classroom speaker- Calls to staff locations are announced by a supervisory tone signal, which repeats at regular intervals to indicate that the channel is open and the room is being monitored- Classrooms can be equipped with call-in switches to call the control center, with options for privacy to voice call-in- A CD player-AM/FM receiver can be installed when system capacity does not exceed 50 stations- Sturdy desktop cabinet finished in an attractive simulated wood grain finish

NetVanta 6250 24 FXS IP Business Gateway- ADTRAN s highest performing IPBG for delivering business services. Includes one combo 10/100/1000Base-T/SFP Gigabit interface four 10/100 BaseT interfaces four T1 interfaces (for WAN or PRI/CAS) 24 FXS ports and IP Router. VoIP gateway supports simultaneous Back-to-Back User Agent (B2BUA) and SIP proxy functionality. Includes G.168 Echo Cancellation support for G.711 and G.729a CODECs and supports up to 72 simultaneous TDM to VoIP call conversions. Supports VoIP applications using SIP (for analog PRI and IP endpoints/PBX) and MGCP (for analog only). Router features include OSPF BGP RIP V1/V2 Static routes VRRP multi-VRF and stateful inspection firewall. OPTIONAL Session Border Controller Feature Pack also available.

Deluxe Heavyweight File Folders, 1/3-Cut Tabs: Assorted, Legal Size, 0.75" Expansion, Manila, 50/Pack

- Range Extender- Doubles the Effective Transmission Distance- Easy to use, simple set-up- Status and Y / ID signal lights

Dual Wheel Hooded Casters, Grip Ring Type B Stem, 2" Soft Nylon Wheel, Black, 5/Set

- The EBP72XL Battery Pack is a 72VDC 8.5AH battery pack with internal charger that extends runtime on the E2000RM2U through E3000RM(T)2U units.- The EDBP72XL Battery Pack is a 72VDC 8.5AH battery pack with internal charger that extends runtime on the ED3000RM(T)2U unit.