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The Adtran Atlas 550 Dual EIA-530 Universal Synchronous Serial Interface (USSI) Module (4200754L2) combines with other Atlas 550 components to provide solutions for a variety of wide area networking applications
Two FXS Analog Ports
Adtran Atlas 550 Quad ISDN BRI S/T Module 1200764L1 Description:
23 programmable keys make the Inter-Tel 550
The PoE version of the phone ships with a special power module that is not included in the DC version of the phone
ShoreTel ShoreGear SG-120/24 Voice Switch Condition:Refurbished The Adtran Atlas 550 DualShoreTel SG 120 24 Voice Switch Description: The ShoreTel SG 120 is a voice switch designed to run on ShoreTel's UC platform. The SG 120 offers support for up to 120 ShoreTel IP phones or to 24 analog ports in the form of 8 trunks (FXO or FXS) and 16 FXS ports. The ShoreTel SG 120 interfaces to standard analog trunks through Loop Start. The SG 120 features two RJ 45 Ethernet connections, an RJ 21X port for a patch panel connection. From the RJ 21X
US$ 50.00
US$ 50.00
US$ 16.95
US$ 120.00
