3Com VCX V7122 SIP VoIP Gateway User Manual205 Status LED Indicators.6 T1/E1 STATUS E1/T1 Trunk Status LED Indicators.7 ETH Ethernet LED Indicators.8 Reset button.9 cPCI LED Indicators.10 Power and Fan LEDs.11 An available cPCI slot for an optional third-party CPU board.The VCX V7122 ChassisThe VCX V7122 chassis is an industrial platform, 19” wide, 1U high and 12” deep thathouses the TP-1610 board in its front cage, slot #1 (the lower slot) and the TP-1610 RTM inits rear cage, slot #1 (the lower slot).Slot # 2 in the VCX V7122 chassis’ front and rear cages can optionally be used by customersfor a CPU board.See Table 3 for detailed description of the chassis’ LED indicators.Table 3 Chassis LED IndicatorsLocation Color FunctionRight side of front panel Green The power is on.Right side of front panel Red Fan failure - indicates that any of the internal fans hassignificantly reduced its speed or has frozen.Left side of front panel RedPower supply failure - indicates that one of the two ACredundant power supplies is faulty or disconnected from theAC/mains outlet. (This LED is only relevant for the dual ACpower supply).Power SupplyThe VCX V7122 power supply is available in three configuration options: Single universal 100-240 VAC 1 A max, 50-60 Hz. Dual-redundant 100-240 VAC 1.5 A max, 50-60 Hz. -48 VDC power supply suitable for field wiring applications.The TP-1610 BoardThe VCX V7122 is populated by a single compactPCI board, the TP-1610 (see Figure 3 onpage 21). The TP-1610 is a high-density, hot-swappable, cPCI resource board with acapacity of up to 480 ports, supporting all necessary functions for voice, data and faxstreaming over IP networks. The TP-1610 is composed of one or two identical mediagateways modules: Gateway-1 and Gateway-2, each containing 240 DSP channels. Thesemedia gateways are fully independent, each gateway having its own MAC (Media AccessControl) and IP addresses and LED indicators. The TP-1610 board is supplied with a rear I/O
