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RAD AMC-102 High Speed Media Converter and Repeater 

Call us for Pre-sales and discount pricing


  301-924-7400 Support

AMC-1  Universal Media Converter and Repeater


RAD AMC-102 High Speed Media Converter and Repeater 
 

 Features

Modular media converter and repeater
Supports single mode fiber, multimode fiber, single mode in single fiber, STP, UTP and coax
Fiber Optic or copper repeater (in retimed conversion mode)
Complies with ATM Forum specifications
Protocols supported in retimed mode:
- 51 Mbps OC-1
- 100 Mbps TAXI
- 155 Mbps OC-3
- 155 Mbps STM-1/STS-3c over UTP/STP
- FDDI
- 100Base-Tx or 100Base-Fx (Fast Ethernet)
Transparent media conversion of up to 155 Mbps
Transparent mode supports any two-level optical protocols including:
- Ethernet
- Token Ring
- Any protocols supported in retimed mode
Bridging of Ethernet and Fast Ethernet
Multiple connector types are available for both electrical and optical interfaces


RETIMED MODULES

AMC-101 provides retimed media conversion for the following ATM interfaces: STS-1 (51 Mbps), TAXI (100 Mbps) and STM-1/STS-3C (155 Mbps) over optical and electrical interfaces. Retimed conversion is also available for FDDI and Fast Ethernet (100 Mbps).
The retimed modules provide rate selection for 51, 100 or 155 Mbps. When set to one of these rates, the retimed module regenerates and reclocks the incoming signal and acts as an ATM, FDDI or Fast Ethernet repeater.


TRANSPARENT MODULES

AMC-101 provides transparent conversion for any two-level optical protocol.
Transparent modules are recommended for short distances and for all applications performed at less than 100 Mbps.

AMC-101 can be used to convert between different media (see Figure 1). A single AMC-101 converter with different media modules is used to connect two devices operating with dissimilar fiber or electrical interfaces. Either transparent or retimed modules can be used.

AMC-101 can be used as a repeater for extended distances (see Figure 2). A single AMC-101 can be used as a fiber optic or copper repeater for ATM or FDDI and Fast Ethernet, when installed with two similar retimed modules (B1 and B2).

A pair of AMC-101 converters can be used to connect two similar ATM devices over a different media type using retimed modules B1 and B2 (see Figure 3).

The FDDI and Fast Ethernet (100Base-T) standards apply scrambling to data when operating over UTP, but do not apply it when operating over fiber. As a consequence, AMC-101 cannot convert between UTP and fiber for the two protocols. In this situation, it is recommended that a pair of AMC-101s be used to convert from UTP to fiber optic and then back to UTP. This extends the FDDI-UTP (CDDI) and 100Base-T over fiber using retimed modules. Alternatively, 100BT/B and 100BT/R modules can be used for 100Base-Tx to 100Base-Fx conversion.

AMC-101 can be used in applications of Ethernet or Fast Ethernet remote bridging over long distances (see Figure 4). Modules A1 and A2 can be AMC-100BT/B or AMC-10BT/B. Modules B1 and B2 can be any transparent (for Ethernet) or retimed (for Fast Ethernet) optical modules.
AMC-101 can be used to connect two ATM devices over a single fiber (see Figure 5).

A pair of AMC-101s is used to connect two ATM devices where the physical link is a single fiber. In this application, modules B1 and B2 are using the WDM technology, where the transmit signal is at a different wavelength than the receive signal. Modules A1 and A2 can be any modules.
Modules B1 and B2 can be a pair of AMC-M/SM/**/SF1 and AMC-M/SM/**/SF2.

AMC-101 is supplied as a standalone unit. Special hardware for mounting either a single unit or two units side-by-side in a 19" rack can be ordered separately (see Ordering).

 
ALARMS CONNECTOR

A dry circuit with a 9-pin D-type connector on the rear panel, has been added to the unit to signal minor and major alarms. The dry contact circuit is used to signal the following alarms:
- RED ALARM - Power Failure (DC voltage on board)
- YELLOW ALARM - Signal Detect Failure (to any of the unit modules)
- CONFIG ALARM - Improper Configuration (incompatible modules and/or data rates selected)
Three pins are dedicated for each alarm: Common (COM), OK and FAIL. The COM pin is the input for each alarm. The user can drive the COM pin with any signal (0 to 5V). If the signal is received OK, the COM pin is connected to its corresponding OK pin; If there is a failure, the COM pin is connected to its corresponding FAIL pin (See Figure 7 and Table 1 for the connector pin assignments).

  

AMC-101 Applications 

1)

Figure 1
- Conversion between Differnet Media

Figure 2
- Repeater Application
(Using only retimed modules for protocols running at 155, 100 or 51 Mbps)

Figure 7. Connector Pin Assignment



Table 1. Connector Pin Assignment Table
 

  PIN TYPE
ALARM TYPE COM OK FAIL
RED 9 4 5
YELLOW 3 8 7
CONFIG 6 2 1



Table 2. Bridging Modules

Module Name Protocols Supported Cable Type Connector Type Range Impedance
10BT/B Ethernet UTP Cat 5 Shielded RJ-45 100m 100
100BT/B Fast Ethernet UTP Cat 5 Shielded RJ-45 80m 100
100BT/R Fast Ethernet UTP Cat 5 Shielded RJ-45 80m 100

* Remote Ethernet bridge module
** Remote Fast Ethernet bridge module
*** Media converter for Fast Ethernet (Tx to Fx)

Table 3. Optical Module Characteristics

Module Name Protocols Supported Fiber Type (Wavelength) Connector Type Typical Distance Dynamic Range Optical Power (typical) Sensitivity
MM/ST/85* Token Ring, Ethernet only, FDDI, Fast Ethernet 62.5/125 (850 nm) ST 2 km / 1.2 mile 18 dB -18 dBm -30 dBm
MM/SC/13** TAXI, FDDI, Fast Ethernet, STS-1, STS-3c/STM-1 62.5/125 (1300 nm) SC 2 km / 1.2 mile 17 dB -18 dBm -31 dBm
MM/ST/13** TAXI, FDDI, Fast Ethernet, STS-1, STS-3c/STM-1 62.5/125 (1300 nm) ST 2 km / 1.2 mile 17 dB -18 dBm -31 dBm
SF1/FC*** TAXI, FDDI, Fast Ethernet, STS-1, STS-3c/STM-1 9/125 Transmit 1300 nm Receive 1550 nm FC-PC (Single Strand) 40 km / 25 mile 28 dB -12 dBm -29 dBm
SF2/FC*** TAXI, FDDI, Fast Ethernet, STS-1, STS-3c/STM-1 9/125 Transmit 1550 nm Receive 1300 nm FC-PC (Single Strand) 40 km / 25 mile 28 dB -12 dBm -29 dBm
SF1/ST*** TAXI, FDDI, Fast Ethernet, STS-1, STS-3c/STM-1 9/125 Transmit 1300 nm Receive 1550 nm ST (Single Strand) 40 km / 25 mile 28 dB -12 dBm -29 dBm
SF2/ST*** TAXI, FDDI, Fast Ethernet, STS-1, STS-3c/STM-1 9/125 Transmit 1550 nm Receive 1300 nm ST (Single Strand) 40 km / 25 mile 28 dB -12 dBm -29 dBm
SM/FC/13** TAXI, FDDI, Fast Ethernet, STS-1, STS-3c/STM-1 9/125 (1300 nm) FC-PC 25 km / 16 mile 30 dB -18 dBm -31 dBm
SM/FC/13L** TAXI, FDDI, Fast Ethernet, STS-1, STS-3c/STM-1 9/125 (1300 nm) FC-PC 40 km / 25 mile 30 dB -10 dBm -31 dBm
SM/FC/13LH** (LASER) TAXI, FDDI, Fast Ethernet, STS-1, STS-3c/STM-1 9/125 (1300 nm) FC-PC 60 km / 37 mile 33 dB -2 dBm -34 dBm
SM/FC/15LH** (LASER) TAXI, FDDI, Fast Ethernet, STS-1, STS-3c/STM-1 9/125 (1550 nm) FC-PC 110 km / 68 mile 33 dB -1 dBm -34 dBm
SM/SC/13L** (LASER) TAXI, FDDI, Fast Ethernet, STS-1, STS-3c/STM-1 9/125 (1300 nm) SC 40 km / 25 mile 30 dB -10 dBm -31 dBm
SM/ST/13** TAXI, FDDI, Fast Ethernet, STS-1, STS-3c/STM-1 9/125 (1300 nm) ST 25 km / 16 mile 30 dB -18 dBm -31 dBm
SM/ST/13L** (LASER) TAXI, FDDI, Fast Ethernet, STS-1, STS-3c/STM-1 9/125 (1300 nm) ST 40 km / 25 mile 30 dB -10 dBm -31 dBm
SM/ST/13LH** (LASER) TAXI, FDDI, Fast Ethernet, STS-1, STS-3c/STM-1 9/125 (1300 nm) ST 60 km / 37 mile 33 dB -2 dBm -34 dBm
SM/ST/15L** (LASER) TAXI, FDDI, Fast Ethernet, STS-1, STS-3c/STM-1 9/125 (1550 nm) ST 50 km / 31 mile 30 dB -10 dBm -31 dBm
SM/ST/15LH** (LASER) TAXI, FDDI, Fast Ethernet, STS-1, STS-3c/STM-1 9/125 (1550 nm) ST 110 km / 68 mile 33 dB -1 dBm -34 dBm

* Transparent only
** Data rates are switch selectable from the front panel
*** Retimed only
Note: Typical distances based on attenuation of 0.4 dB/km for 1300 nm modules and 0.25 dB/km for 1550 nm modules


Table 4. Electrical (Copper) Module Characteristics

Module Name Protocols Supported Cable Type Connector Type Range Impedance
UTP/155* STS-3c UTP Cat 5 Shielded RJ-45 100m 100
STP/155 * STS-3c STP Type 1 DB-9 100m 150
UTP/100* FDDI UTP Cat 5 Shielded RJ-45 100m 100
CX/BNC/155** STS-3C, STM-1 Coax BNC 12.7 dB 75
CX/DIN/155** STS-3C, STM-1 Coax DIN 47295 1.6/5.6 Coaxial connector 12.7 dB 75

* 50m in transparent module
** At 78 MHz, according to square rood of frequency law; 150m is attainable when using RG-59 B/U

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