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1. 30V DC Removable Terminal Block e Power consumption 0 12A 24Vdc 5 arrowed NS 208 User s Manual Version 1 1 Oct 2005 1 LED functions Standard RJ45 female connectors are provided A standard RJ45 plug cable is all that is necessary to connect your device to the unit since switch that supports auto crossover Table 1 shows the LED indicator functions The module includes an internal Table 1 Pin Out LED Color Description _Pin SignalName ___Function _ Red Power is On 1 TD Transmit Data Yellow On Link Act 3 RD OL Ethernet Yellow Off Not Networking 7 Ne connection Pou Green On Link to 100 Mbps 7 a Green Off Link to 10 Mbps eee 7 NC No Connection 8 NC No Connection Dimensions 64 x 110 x 97 5 mm W x H x D LA m er A re a A ppppppg 12 345678 pm Bu Link Act are OU 10 100 Mbps aie a le lG L rs R E p Checking Power Since the NS 208 consumes 3 W ensure that your power supply is able to meet this demand The Input voltage range is 10 30VDC Pin Function For Terminal Block External power supply is connected using the removable terminal block Vs Power input 10 to 30V GND Ground F G F G stands for Frame Ground protective ground It is optional If you use this pin it can reduce E2. MI radiation improve EMI performance and ESD protection NS 208 User s Manual Version 1 1 Oct 2005 2 Pin Function For Terminal Block External power supplies are connected using the removable terminal block Vs Power input 10 to 30V GND and F G F G stands for Frame Ground protective ground It is optional If you use this pin it can reduce EMI radiation improve EMI performance and ESD protection The power supply ground is floating from the chassis or frame ground Power supplies can have a positive or negative ground and the power lead of the opposite value or it may have negative and positive power leads When wiring the power supply to the unit be sure to put the power supply negative ground lead to the middle slot hole and the positive lead to the Vs if the your power supply has no ground lead but only and put the to the ground middle slot hole and the to the Vs Don t let the F G hole slot confuse you it s for Frame grounding which is used to reduce EMI radiation improve EMI performance and ESD protection If your unit will be subject to lighting or power surges you can wire the FG to a building power ground to help reduce burn outs
3. NS 208 8 Port Industrial 10 100 Mbps Ethernet Switch Introduction The NS 208 has 8 Ethernet Switching ports that support 10 100Base T with a 10 100M auto negotiation feature and auto MDI MDIX function lt can connect 8 workstations and automatically switches the transmission speed 10 Mbps or 100 Mbps for corresponding connections The flow control mechanism is also negotiated LEDs embedded in RJ 45 jacks make for easy monitoring Port connectors are shielded RJ 45 A power source for 10 30VDC is required Features Automatic MDI MDI X crossover for plug and play Each port supports both 10 100 Mbps speed auto negotiation Store and forward architecture Full duplex IEEE 802 3x and half duplex backpressure flow control 2 Gbps high performance memory bandwidth Supports 10 30V DC voltage Supports operating temperatures from 30 75 C e DIN rail mount for industrial usage Specifications Compatibility IEEE 802 3 IEEE802 3u IEEE802 3x Interface 10 100 Base T Port 10 100 Mbps x 8 Shielded RJ 45 Jack Provides LEDs for network and power monitoring ESD Protection 8KV Contact Discharge 15KV Air Gap Discharge e Cables 10 Base T Cat 3 4 5 UTP cable 100m Max 100 Base T Cat 5 UTP cable 100m Max Environment Operating temperature 30 75 C Storage Temperature 40 85 C Relative Humidity 10 to 90 non condensing e Dimensions 64 x 110 x 97 5 mm W x H x D e Power requirements 10 to
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