MICRO TRANSCEIVERS AT-MX10S, AT-MX20T, & AT-210TS Micro Transceivers AT-MX10S-05 Additionally, all models feature integral jabber lock- KEY FEATURES 10Base2 MAU slim-line transceiver up prevention circuitry and a loopback function, with slide latch • IEEE 802.3 compliant and Ethernet Version 1.0 which allows the transceivers to emulate coaxial and 2.0 compatible and loop transmitted packets back to the AT-MX20T-04 receiving side. 10T MAU transceiver with pigtail and screw post • Direct Attachment Unit AT-MX20T-05 • Interface (AUI) connection Local Area Network (LAN) controllers can use 10T MAU transceiver with slide latch • Slim-line versions (AT-MX10S,AT-210TS) for the loopback feature to determine whether a AT-210TS-05D improved mechanical fit for Macintosh, Sun Media Attachment Unit (MAU) is connected and 10T MAU slim-line transceiver with slide latch SPARC stations, and IBMRS/6000 workstations operational.The AT-MX20T and AT-210TS trans- AT-210TS-07D ceivers incorporate other functions that offer • Switch-selectable SQE test (all models) and LED 10T MAU slim-line transceiver with screw post improved network reliability for workstations. (AT-MX10S,AT-210TS) • Polarity detection and correction (AT-MX20T, REDUCE CABLING COSTS One such function provides a continuous integrity AT-210TS) and LED (AT-210TS) Designed to reduce Ethernet cabling costs, Allied test of 10T links to multi-port repeaters. • Link integrity test function and LED (AT-MX20T, Telesyn’s micro transceivers connect directly to Periodically, the transceivers transmit a test pulse AT-210TS) workstations, bringing thin Ethernet or Unshielded to the companion transceiver’s receive side. If the Twisted Pair (UTP) wiring directly to the desktop. • 5-year warranty pulse is not seen on the receive side, the transceiv- With UTP and inexpensive coax network media, er is placed into link test fail mode. Normal opera- these micro transceivers support distances up to tion of the transmit side is inhibited and the “Link” 100 meters between workstations and up to 185 LED is turned off. Normal operation is resumed meters using coax. when the link is reestablished by the reception of a valid packet or two valid link pulses. COMPLIANCE AND FLEXIBILITY The 10Base2 compliant AT-MX10S transceivers 10T transceivers also address the polarity of the use an industry-standard Ethernet transceiver chip receive pair wiring. In less than one second, the that guarantees IEEE 802.3 compliance.The 10T UTP transceiver rolls the wire-pair and allows for compliant AT-MX20T and AT-210TS transceivers the proper operation of the transceiver.The are also guaranteed compliant by the use of stan- Polarity indicator on the AT-210TS transceiver dard ICs. Network administrators can enable or is off when the circuitry has transposed the disable a Signal Quality Error (SQE)/Heartbeat test receive pair. for all models via an externally accessible switch. MICRO TRANSCEIVERS AT-MX10S, AT-MX20T, & AT-210TS Micro Transceivers STATUS INDICATORS TWISTED PAIR CONNECTOR (RJ-45) ORDERING INFORMATION AT-MX10S: Pin No. Function Power/HB Two-color Heartbeat LED 1 +TD AT-MX10S-05 2 -TD 10Base2 MAU slim-line transceiver AT-MX20T: 3 +RD with slide latch Power Power is present from the DTE 4 Not Used Transmit Indicates packet is being 5 Not Used AT-MX20T-04 transmitted to the media 6 -RD 10T MAU transceiver with pigtail and screw post Receive Indicates packet is being received 7 Not Used from the media 8 Not Used AT-MX20T-05 Link Indicates a valid link exists 10T MAU transceiver with slide latch AT-210TS: TWISTED PAIR INTERFACE Power Power is present from the DTE Transmitter: Typical Range AT-210TS-05D Link Indicates a valid link exists Peak Differential 10T MAU slim-line transceiver SQE Test SQE/Heartbeat test enabled Signal Amplitude 2.5v 2.2 to 2.8v with slide latch Polarity Automatic polarity reversal has not Transmitter Jitter ±1.5ns ±2ns occurred Harmonics Content 27dB Down AT-210TS-07D Common Mode Output Voltage 10T MAU slim-line transceiver AUI INTERFACE Start-Up Delay 100ns 200ns with screw post Transmitter: Typical Range Steady State Delay 100ns 200ns Threshold Voltage -200mv -175 to -225mv Silence Voltage ±50mv SQE Test Delay 800ns 600 to 1600ns Duration 16ms 8 to 130ms Duration 1000ns 500 to 1500ns Link Test Pulse 100ns 80 to 130ns Collision Indication Delay 200ns 900ns Output Impedance 100 Ω 95 to 105 Ω Assert Delay 200ns 900ns Receiver: Jabber Setup 45ms 20 to 100ms Receiver Threshold -400mv -350 to -450mv Recovery 450ms 250 to 750ms Input Impedance 100 Ω 95 to 105 Ω Differential Noise Rejection 300mv Receiver: Start-Up Delay 500ns POWER CHARACTERISTICS Steady State Delay 100ns 200ns Isolation: Signal Amplitude ±800mv ±550 to ±1200mv Breakdown Voltage Loopback AT-MX10S 500v rms 50/60Hz for 1 min Steady State Delay 100ns AT-MX20T/AT-210TS 1500v rms 50/60 Hz for 1 min Start-Up Delay 100ns 500ns Supply: Typical Range Voltage 12v 11.4 to 12.6v COAXIAL INTERFACE Current 300mA 500mA Input Impedance > 100K Ω Coaxial Tap Capacitance < 6 pf ENVIRONMENTAL SPECIFICATIONS Input/Output Voltage: Typical Range Operating Temp 0°C to 50°C DC Offset -0.1v -0.5 to 0v Storage Temp. -20°C to 60°C AC Offset 1.86Vp-p 1.2 to 2.4Vp-p Relative Humidity 5% to 80% non-condensing Transmit Rise/Fall Time 25ns ±5ns PHYSICAL CHARACTERISTICS Dimensions: Standard 6.4cm x 4.6cm x 2.0cm Slim-line 6.9cm x 4.3cm x 2.5cm ABOUT ALLIED TELESYN Allied Telesyn was founded in 1987 with the goal of producing reliable, standards-based USAHeadquarters 19800 North Creek Pkwy, Suite 200, Bothell, WA 98011, USA networking products. Focused on Ethernet/IP solutions geared to applications,Allied Telesyn Tel 800.424.4284 Fax 425.481.3895 offers access-edge products like switches, fiber/copper MAPs, and CPE.We’re also a leading European Headquarters Via Motta 24, 6830 Chiasso, Switzerland global manufacturer of media converters, unmanaged switches, and NICs. Our customer-driven (Corporate) Tel (+41) 91 697.69.00 Fax (+41) 91 697.69.11 approach has made Allied Telesyn the ideal choice for IT professionals looking for high-quality, feature-rich network solutions at a lower price.Allied Telesyn – It’s Our Network,Too. (European Sales) Tel (+39) 02 414.112.1 Fax (+39) 02 414.112.61 www.alliedtelesyn.com © 2004 Allied Telesyn International Corp.All rights reserved. Information in this document is subject to change without notice. All company names, logos, and product designs that are trademarks or registered trademarks are the property of their respective owners. 617-00151-00 Rev. E