Specifications

ES1008 Operating Manual Page 6
The following procedure describes how to connect a 10BASE-T or 100BASE-TX twisted pair segment to the ES1008
RJ45 port. The procedure is the same for both unshielded and shielded twisted pair cables.
1. Using standard twisted pair media, insert either end of the cable with an RJ45 plug into the RJ45 connector of
the port. Note that, even though the connector is shielded, either unshielded or shielded cables and wiring
may be used.
2. Connect the other end of the cable to the corresponding device.
3. Use the LINK LED to ensure proper connectivity by noting that the LED will be illuminated when the
unit is powered and proper connection is established.
3.3 Powering the ES1008 Switch
Waters’ ES1008 switches incorporate an internal universal power supply using a recessed male IEC
connector for the AC power cord. A six-foot 115 VAC 60 Hz standard power cord is supplied with each unit shipped
within the United States and Canada.
4.0 SWITCHING FUNCTIONALITY
Waters’ ES1008 family of switches provides switched connectivity at Ethernet wire speed among all of its
ports. The ES1008-switch supports10/100Mbps for copper media and 10 or 100Mbps separate traffic domain for
fiber port to maximize bandwidth utilization and network performance. All ports communicate to all other ports in a
Waters’ ES1008, but local traffic on a port will not consume any of the bandwidth on any other port.
Waters’ ES1008 switches are plug-and-play devices. There is no software configuration required at
installation or for maintenance. The only hardware configuration settings are user options for uplink on the RJ45 port
and Half / Full duplex mode.
Filtering and Forwarding
Each time a packet arrives on one of the switched ports, the decision is taken to either filter or to forward the
packet. Packets whose source and destination addresses are on the same port segment will be filtered,
constraining them to that one port and relieving the rest of the network from processing them. A packet whose
destination address is on another port segment will be forwarded to the appropriate port and will not be sent to the
other ports where it is not needed. Traffic needed for maintaining the operation of the network (such as occasional
multi-cast packets) is forwarded to all ports.
Waters’ ES1008 switches operate in store-and-forward switching mode, which eliminates bad packets and
enables peak performance to be achieved when there is heavy traffic on the network.
Address Learning
All Waters’ ES1008 switches have an address table capacity of 16K node addresses suitable for use in large
networks. They are self-learning, so that as nodes are added, removed or moved from one segment to another, the
ES1008 switch automatically maintains the proper node locations.
An address-aging algorithm causes least-used addresses to fall out in favor of new, frequently used
addresses. To reset the address buffer, cycle power down-and-up.
4.1 Status LEDs
For ES1008 models:
PWR Power LED, ON when external power is applied to the unit.
ERROR Self-test at power up failed
LK/Act Steady ON for link with no traffic, blinking indicates port is transmitting and receiving.
F/H Full / Half duplex LED, ON when the port is running full duplex, OFF for half duplex.
Speed Speed LED, ON when the speed is 100Mbps , OFF when the speed is 10Mbps