ETHERNET SWITCH OPTION MODULE P/N 1200766L1For more detailed documentation, visit us online at www.adtran.comQuick Start GuideQuick Start Guide, 61200766L1-13A, August 2002 Technical Support 1-888-4ADTRAN (1-888-423-8726) Copyright 2002 ADTRAN, All Rights ReservedSPECIFICATIONSInterface Type: (8) 10BaseT/100BaseTX interfaces with auto MDI/MDIXcrossover on all interfacesFlow Control: Back-pressure flow control on all half-duplex interfacesPause-frame flow control on full-duplex interfacesEnvironmentalSpecifications:Operating Temperature: 0°C to 45°CStorage Temperature: -20°C to 70°CRelative Humidity: Up to 95% non-condensingCompliance: FCC Part 15, Class AUL 60950, 3rd EditionEN 60950ETSI 300 386N ETWORK C ONNECTION P INOUTPin Name Description1 TX1 Transmit Positive2 TX2 Transmit Negative3 RX1 Receive Positive4, 5 UNUSED —6 RX2 Receive Negative7, 8 UNUSED —500 SeriesETHERNET SWITCHLINK/SPEED1 2 43 5 6 87I NSTALLATION I NSTRUCTIONS1. Remove the cover plate from the appropriate option slot in the ATLAS550 Base Unit.2. Slide the Ethernet Switch Option Module into the option slot until themodule is firmly positioned against the front of the chassis.3. Secure the thumbscrews at both edges of the module. Tighten with ascrewdriver.4. Connect the cables to the associated device(s).5. Complete installation of remaining modules and Base Unit as specifiedin the Installation chapter of the ATLAS 550 System Manual.