3Com 3C10200 NBX Installation Guide - Page 134

134 CHAPTER 3: TELEPHONES AND ATTENDANT CONSOLES connect an Attendant Console to a powered Ethernet cable depends on the type of Ethernet power in use at your facility. NBX devices work with: ■ Ethernet power sources that comply with the IEEE 802.3af standard ■ 3Com Ethernet power sources that predate 802.3af See Table 31 for power connection instructions for 3Com Attendant Consoles. Table 31 Connecting Power to a 3Com Attendant Console Power Source Connection Details AC power adapter The Attendant Console can accept power 1 from a power adapter. Use the adapter that comes with your Attendant Console. Connect the AC adapter's power jack to the power connector 1 on the bottom of the 2 Attendant Console. Connect an Ethernet cable 2 from a 3Com Telephone switch port or from a data jack to the Ethernet connector on the bottom of the Attendant Console. 1 2 3105 Attendant Console, top 1105 Attendant Console, bottom Power over Ethernet (802.3af-compliant) 1 power source The 3105 is compliant with 802.3af. You can connect a powered Ethernet cable 1, directly to the device's Ethernet connector. 1 The 1105 predates the 802.3af standard so you must use a 3Com Network Jack to NBX Phone Power Module 3CNJVOIPMOD-NBX 43 2 (3CNJVOIPMOD-NBX) 1. The module receives power from an 802.3af-compliant power source through an Ethernet cable 2 and splits it into an unpowered Ethernet connection 3 and a power jack 4.