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GEMINI EXPRESS MULTIPLEXER
User’s Guide
Document # 400-2601-01
Rev. C
October, 2002
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TABLE OF CONTENTS TABLE OF CONTENTS WARRANTY STATEMENT WARRANTY STATEMENT SAFETY 3 This NLynx product is warranted to be free from defects in material and Federal Communications Commission (FCC) Statement 3 workmanship for a period of three years from the date of purchase. NLynx’s Classification of LED Transmitter Device 4 liability under this warranty is limited to cure, repair, or replacement of the INTRODUCTION 5 product. NLynx shall not be liable for injury, property damage or other di
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Classification of LED Transmitter Device Important: SPECIFICATIONS SPECIFICATIONS The optical transmitter contains an LED system and is classified “CLASS 1 LED Protocol 5250 PRODUCT” per EN60825-1 (+A11), Safety of Laser Products. Contact NLynx Data rate 1 & 2Mbps (transparent) Technologies for repair if your GEMINI EXPRESS MULTIPLEXER ever Number of ports 8 requires maintenance. Port connector types Shielded RJ45 or DB25 Cable Distances Cable Type Data Rate Location Distance Ca
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• Verify that the host work station controller’s (WSC) capacity has not INTRODUCTION INTRODUCTION been exceeded. This user's manual presents the GEMINI EXPRESS MULTIPLEXER for use with • Verify that the device is properly terminated. A peripheral is terminated the IBM 5250 protocol. The 5250 family of products consists of the IBM's when its twiaxial port has two 54.9 ohm resistors located between the “A” System 34, 36, 38, and the AS/400 along with many supporting devices phase pin & earth gr
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UNPACKING UNPACKING PROBLEM SOLVING PROBLEM SOLVING Remove the packing material and check for the items below: If problems are encountered with the GEMINI EXPRESS MULTIPLEXER, the following guideline is intended to provide a quick resolution. 1.) Collect all information relevant to this application. • GEMINI EXPRESS MULTIPLEXER serial numbers GEMINI EXPRESS MULTIPLEXER • Host type and operating system software level. • Quantity, and type of peripheral devices. A (100-240 VAC) input external pow
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1. The external power supply is mounted on the rear panel of the ACTIVE PAIR SETUP ACTIVE PAIR SETUP GEMINI EXPRESS MULTIPLEXER. The AC power cord must be All GEMINI EXPRESS MULTIPLEXERS can be factory configured per firmly inserted into the external power supply and strained relieved. customer request. The factory default setting is Pins 4 & 5. Different configurations will be indicated on the label on the bottom of the unit. 2. Insert the male end of the AC power cord into a properly wir
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MULTIPLEXER will activate for two seconds and fade off. The DESCRIPTION DESCRIPTION amber power LED on the front panel, the green power led on the top of The GEMINI EXPRESS MULTIPLEXER’s indicators and connections are the external power supply, and the TX LED will activate and remain on. described below. At this time the data activity LEDs will flash at the host’s polling rate. The RX LED will be off until the remote Multiplexer is installed. Device side Multiplexer installation. 1) Set
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INSTALLATION INSTALLATION CONFIGURATION CONFIGURATION Host side Multiplexer installation. The configuration switch settings are shown below. 1. Set the configuration switches on the rear panel of the host side POINT TO POINT MODE HOST SIDE MULTIPLEXER GEMINI EXPRESS MULTIPLEXER as follows: ON SWITCH 1 ON SWITCH 2 ON for a point to point application or SWITCH 1 ON SWITCH 2 OFF for a ring application. 1 2 LEGEND 2. The GEMINI EXPRESS MULTIPLEXER is designed for a 19” SWITCH 1: ON CONFIGURAT
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62.5 micron multimode fiber COLLAPSED RINGS COLLAPSED RINGS The Ring mode is seldom implemented as depicted in the previous section. Remote Typically, fiber optic cables star out from a central location. Therefore, a ring is GXM8 GXM8 GXM8 created by interconnecting the fiber optic star segments at the central location. Controller This technique is known as a collapsed ring. STARS UTP cabling MDF FIBER OPTIC PATCH PANEL PATCH PANEL FIBER Balun & T cable OPTIC JUMPERS Two 4 Port Twinax WALL Bri
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CONNECTIONS CONNECTIONS 62.5 micron multimode 62.5 micron multimode GXM GXM GXM GXM UTP cabling STAR STARS PATCH UTP cabling PANEL AS/400 PATCH AS/400 PANEL DB25 to DB25 Balun & T cable Balun & T cable STP CABLE 8 Port Twinax Brick WALL ASF Baluns. See WALL PLATE below for PLATE Typical AS/400 Installation TO AS/400 WSC POLLING GROUP# 1 POLLING GROUP# 2 TO GXM TO GXM ASF BALUN PORT# 0 0 ASF BALUN PORT# 4 4 ASF BALUN PORT# 1 1 ASF BALUN 5 PORT# 5 ASF BALUN PORT# 2 2 ASF BALUN PORT# 6 6 ASF BALUN
