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RAD FOM - Fiber Optic Modems and Converters

RAD FOM-20 Fiber Optic Modem
Fiber Optic Modem data rates: 19.2 to 256 kbps 
Async/Sync operation 
Supports various types of single or multimode fiber 
Extended transmission range up to 140 km / 85 miles using laser diode option 
Digital interfaces: V.24/RS-232, V.35, X.21, RS-530, V.36 (RS-449), built-in Ethernet bridge and G.703 Codirectional 
AC and DC versions 
Diagnostic V.54 loops and built-in V.52 BERT 
This Fiber Optic modem is available as a card to fit the ASM - MN-214 rack 

RAD FOM-20 pdf data sheet
RAD FOM-20 pdf installation manual

RAD FOM-40 
Wide range of selectable data rates: 56 to 2048 kbps 
Supports various types of single or multimode fiber 
Extended transmission range up to 110 km / 68 miles using 1550 nm laser diode option 
Digital interfaces: V.24/RS-232, V.35, X.21, RS-530, V.36 (RS-449) G.703 Codirectional and a built-in Ethernet bridge 
Optional card version for the ASM - MN-214 rack 
AC and DC versions 
Diagnostic V.54 loops and built-in V.52 BERT 

RAD FOM-40 pdf data sheet

RAD FOM-485 Asynchronous RS-485 Miniature Fiber Optic Modem 
Provides asynchronous transmission up to 115.2 kbps 
Operates full duplex over 4-wire or half duplex over 2-wire and 4-wire 
Meets ITU RS-485 and ITU V.11 requirements 
Meets ITU V.54 and ITU V.52 requirements (in V.11 only) 
Operates over multimode or single mode fiber optic 
Point-to-point or multipoint applications with up to 32 units in RS-485 
Six LED indicators 
Miniature, lightweight, easy to install 
Operates with an external power supply

RAD FOM-485 pdf data sheet

RAD FOM-4SF Sync/Async Single Fiber Modem 
Miniature sync/async modem supporting half or full duplex transmission over single fiber cable 
Data rates up to 2048 kbps or E1/T1 (synchronous) or up to 115.2 kbps (asynchronous) 
V.24, RS-530, V.35, X.21, E1 or T1 DTE interface options 
850 nm or 1300 nm LEDs on the link 
Internal, external or receive clock for serial DTE interfaces, and transparent timing for E1/T1 
Local and remote V.54 diagnostic loopbacks 
LED status indicators 
Protection against reverse polarity 
Operates with external power supply 

RAD FOM-4SF pdf data sheet

FOM-5A Asynchronous Fiber Optic Modems 
Asynchronous transmission up to 19.2 kbps 
Transmission range up to 3 km (2 miles), regardless of data rate 
Full or half duplex 
Transfers one control signal end-to-end 
DCE-DTE switch 
No external power required 
Plugs directly into V.24/RS-232-C terminal connector 
LED indicator for transmit data 
Compact, lightweight, easy to install 

RAD FOM-5A 

Data sheet for FOM-5A/FOM-6A (pdf 461 k)

FOM-5S Synchronous Fiber Optic Modems / Synchronous transmission up to 19.2 kbps 
Transmission range up to 3 km (2 miles) regardless of data rate 
Full or half duplex 
Transfers one control signal end-to-end 
No external power required 
Plugs directly into the V.24/RS-232-C terminal connector 
Compact, lightweight, easy to install 
LED indicator for carrier detect 

FOM-6A Asynchronous Fiber Optic Modems / Asynchronous transmission up to 19.2 kbps / Transmission range up to 3 km (2 miles), regardless of data rate 

RAD FOM-6A pdf data sheet

FOM-6AV Asynchronous Fiber Optic Modem 
Asynchronous transmission up to 64 kbps 
Full or half duplex 
Operates over multimode or single mode fibers 
Transfers one control signal end-to-end 
Operates as DTE or DCE 
Plugs directly into V.24/RS-232 DTE connector 
LED indicator for data transfer 
No external power required 
Compact, lightweight, easy to install 

RAD FOM-6AV pdf data sheet

RAD FOM-6MP Asynchronous Fiber Optic Multi-point Modem
Asynchronous fiber optic modem for multidrop data distribution 
Data rates up to 38.4 kbps 
Transmission range up to 16 km (10 miles) over single mode fiber 
Automatic disabling in case of streaming 
Variety of fiber optic interface options, including single mode, multimode and laser diode over single mode 
Compact, lightweight and easy to install 
Wide input DC supply, 10V to 30V 

RAD FOM-6MP pdf data sheet

FOM-6S Synchronous Fiber Optic Modems / Synchronous transmission up to 19.2 kbps 
Transmission range up to 3 km (2 miles) regardless of data rate / Full or half duplex 

RAD FOM-6S pdf data sheet

RAD Fom-8 Miniature Sync/Async Fiber Optic Modem
Synchronous or Asynchronous transmission 
Data rates up to 19.2 kbps 
V.54 diagnostics, including local and remote tests 
Supports transmission over single mode or multimode fiber 
Full or half duplex 
Plugs directly into the RS-232/V.24 connector 
Internal, external, or receive clock 
Ruggedized metal enclosure 
No AC power required 
Miniature, lightweight, easy to install 
Card version for 19" modem rack

RAD FOM-8 pdf data sheet

RAD FOM-8H Miniature High Speed Fiber Optic Modem 
Synchronous or asynchronous 
Data rates: 56 or 64 kbps, selectable 
V.54 diagnostics, including local and remote loops 
Transmission range up to 20 km (13 miles) over single mode fiber, and up to 4 km (2.5 miles) over multimode fiber 
V.24/RS-232, V.35, X.21 or RS-530 interface 
Controlled or continuous carrier 
Internal, external or receive clock 
LED indicators 
Operates with an external power supply 
Miniature, lightweight, easy to install 

RAD FOM-8H pdf data sheet

RAD FOM-9 Miniature Sync/Async Fiber Optic Modem / Synchronous or asynchronous / Single mode and multimode supported / Data rates up to 128 kbps sync and 115.2 kbps async / V.54 diagnostics, including local and remote loopbacks / Built-in BERT in compliance with V.52 / Full or half duplex 

RAD FOM-E1/T1 E1/T1 Fiber Optic Modem / Fiber optic modem, extending the range of E1/T1 services over fiber optic cables up to 100 km (62 miles) / Transparent to E1/T1 framing (G.704) / Operates opposite RAD's DXC cross-connect system, Megaplex access multiplexers and FCD access units / Available with laser diode option for extended ranges / Conforms to all relevant ITU series standards, including V.54 diagnostics support / Operates over single mode or multimode fibers / Relays minor and major alarm conditions / Includes front panel LED indicators for status monitoring

FOM-E1T1 - data sheet (pdf 524k)

FOM-E1T1 Installation and operations manual (pdf 2187k)

RAD FOM-E3, FOM-T3 E3/T3 Fiber Optic Modems
High speed fiber optic modems, extending the range of E3/T3 services over optic cables up to 110 km (68.35 miles) 
Transparent to E3/T3 signals 
Operate opposite RAD's DXC cross-connect system, Optimux-XLE1 multiplexer (FOM-E3) and Optimux-T3 multiplexer (FOM-T3) 
Available with laser diode option for extended ranges 
Support WDM for transmission over a single fiber 
Conform with all relevant ITU series standards, including V.54 diagnostics support 
Operate over single mode or multimode fibers 
Front panel LED indicators for status monitoring 
Relay of minor and major alarm conditions

RAD FOM-E3/T3 pdf data sheet

RAD FOMi-E1/T1
E1/T1 Fiber Optic Modem with Remote Management
Extends the range of E1/T1 signals over Fiber Optic links 
Operates over Multimode or Single mode fibers 
Transmission range up to 100 km using laser diode option 
Conforms to all relevant ITU (CCITT) standards 
Supports E1 balanced and unbalanced (COAX) interfaces 
Full management of local and remote units from the front panel 
Real time alarm indication for local and remote units, including dry contact external alarm 
Transparent to framing (G.704) 
Diagnostic loops according to ITU V.54 standard 
Built-in V.52 BER tester 
Modem card for LRS - 12, and double modem card for LRS - 24, 19" racks with SNMP management available 

RAD FOMi-E1T1 pdf data sheet

RAD FOMi-E3, FOMi-T3 
E3, T3 and HSSI Manageable Fiber Optic Modems
Extended E3, T3, and HSSI (signal range up to 70 km/44 miles) is enabled by operating a pair of FOMi-E3 or FOMi-T3 units 
Wide range of modular interfaces supported 
Fiber-optic redundancy for better service availability 
FOMi-E3 can work opposite RAD's Optimux - XLE1 and Optimux - XLE1/16 
Configuration, monitoring and diagnostics are performed via an ASCII terminal or an SNMP management station 
Transparent framing for E3/T3/HSSI signals 
Different clock modes for different applications supported 
Station clock option is available for synchronizing on a central system clock 
Range of power sources supported, power supply redundancy offered 
Front panel indicators display power and input signal status and test and alarm status 
Available as a compact 1U (44 mm) high standalone unit, designed for 19" rack mounting. Also available as a card version for the LRS - 12/24 SNMP managed rack. 

RAD FOMi-T3/E3 pdf data sheet

RAD FOMi-40
Fiber Optic Modem with Remote Management
Selectable data rates from 56 to 2048 kbps 
Operates over multimode or single mode 
Extended transmission range up to 100 km (62 miles) using 1550 nm laser diode option 
Automatic rate detection in external mode for tail-end applications 
Full management of the local and remote units from the front panel 
Remote in-band management for all conditions 
Real-time alarm indication for local and remote units 
Diagnostic V.54 loops and built-in V.52 BERT 
Card version for LRS - 12, or a double modem card for LRS - 24, 19" modem rack with SNMP management 
Variety of digital interfaces supported, including: 
V.24/RS-232 (64 kbps) 
V.35 
X.21 
RS-530 
V.36/RS-449 
G.703 Codirectional (64 kbps) 
G.703 E1 
G.703 T1 
Built-in Ethernet bridge 

RAD FOMi-40 pdf data sheet

RAD  F-TEL Fiber optic phone adapter providing secure transmission of telephone conversation over fiber optic link for up to 50 km (31 miles) 
Supports single mode and multimode fibers 
Available with laser diode option for extended ranges 
Supports both DTMF and pulse dialing 
Receives power from AC, DC power supply or on-board nickel-cadmium rechargeable battery 
Available in two versions: 
Subscriber unit compatible with any standard telephone set 
PBX unit for direct connection to PBX 

RAD F-TEL pdf data sheet
RAD F-TEL pdf manual

Immediate price quote - Call 727-398-5252 or e-mail cs@bestdatasource.com

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Last modified: January 30, 2021
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