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Opengear ACM7008-2-M 8 serial Cisco Straight pinout, ext power, 2 GbE Ethernet or fiber SFP, 4 USB console ports, PSTN modem 2 DIO and 2 output ports - Walmart.com
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Closeup back of wifi router LAN and WAN ports. There are two PSTN ports, power port, on/off button and reset. Stock Photo | Adobe Stock
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96FXS/FXO Port SIP PSTN Gateway,Support 96 Concurrent Calls(id:6623110) Product details - View 96FXS/FXO Port SIP PSTN Gateway,Support 96 Concurrent Calls from RealTone Technologies,Inc - EC21 Mobile
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