Model 3054, 3056, & 3058
4, 6, & 8-Channel, Limited-Distance Multiplexers
These RS-232 and RS-422 TDMs have Built-in Short Range Modems!
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  • Multiplexes 4, 6 or 8 async devices onto two twisted pairs
  • Simultaneous sub-channel data rates up to 19.2 kbps
  • Two-pair distances up to 6000 ft (1.8 km) between multiplexers
  • Support for RS-232 or RS-422 interfaces on modular RJ-45 connectors (D-sub adapter cables available)
  • End-to-end software flow control
  • Hardware (RTS/CTS) flow control (Models 3054 & 3056)
  • Local and remote loopback tests
  • LEDs monitor TD, RD (each sub-channel), link and diagnostics
  • Miniature plastic enclosure fits in tight installation spaces

The Patton Model 305X Series limited distance multiplexers combine two functions into one handy product. First, each Model 305X Series unit is a time division multiplexer (TDM), multiplexing 4, 6 or 8 individual RS-232- or RS-422- devices onto a single composite channel. Second, each Model 305X Series unit is a short range modem, supporting point-to-point communication at distances up to 6,000 ft (1.8 km) over two unconditioned twisted pairs. All Model 305X Series units support end-to-end software flow control, and are equipped with local and remote loopback tests. (The Model 3054 and 3056 also support RTS/CTS hardware flow control.) In addition, diagnostic LEDs show each sub-channel's status. All data interfaces are ported to modular RJ-45 jacks, and various D-sub adapter cables are available from Patton.


Transmission Lines: Main channel and RS-422 sub-channels,19 to 26 AWG twisted pair; RS-232 sub-channels, flat silver cable
Range: 6000 feet (1.8 km) over twisted pair 24 AWG (.5 mm) between multiplexers; 1000 feet (304 m) on RS-422 sub-channels; 50 feet (15.2 m) on RS-232 sub-channels
Interfaces: Asynchronous RS-232, ITU/CCITT
Data Rates: 0 - 19.2 kbps on sub-channels
Indicators: Transmit Data, Receive Data, Link, Local Loopback, Remote Loop
Test Modes: Local loopback, remote loop
Connectors: RJ-45 female on main & sub-channels
Power Supply: 9-12 Volts AC
Temperature Range: 0-600C (32-1400F)
Altitude: 0-15,000 feet (4.5 km)
Humidity: 5 to 95% non-condensing
Dimensions: 8.5" W x 3.5"L x 1.5"H (21.6 cm x 8.9 cm x 3.8 cm)
EIA Signal Propagation: RTS=DCD, DTR=DSR, BO=RI, DRSS=CTS
Link Statistics: Current & Peak Transmit Utilization; Current & Peak Receive Utilization; Current & Peak Frames Received; Current & Peak Frames in Error; Current & Peak Frames Retransmitted
Flow Control Options: None; DC1/DC3 (XON/XOFF); DC1/DC2; DC2/DC4; User Specified Character; HP ENQ-ACK; Wang 2200; Tandem T-Pause; CTS, DSR
Reverse Flow Control Options: None; DC1/DC3 (XON/XOFF); DC1/DC2; DC2/DC4; User Specified Character; HP ENQ-ACK; Wang 2200; Tandem T-Pause; RTS, DTR
Error Control: 16 Bit Cyclical Redundancy Check (CRC)
Buffer Capacity: 16,384 Bytes
Additional Features: Channel Loopback; Channel Validation; Channel Reset; Link Loopbacks; Flyback Buffering; Echoplex; Odd/Even/No Parity; Break Propagation; Data Activity; EIA Signal Status; Force EIA States
Link Timing: 115/230VAC, 60/50Hz, 0.16/0.08A, Switchable, UL approved
Power: Channel Loopback; Channel Validation; Channel Reset; Link Loopbacks; Flyback Buffering; Echoplex; Odd/Even/No Parity; Break Propagation; Data Activity; EIA Signal Status; Force EIA States
Dimensions: Height: 1.75 inches (4.44cm); Width: 17.00 inches (43.18cm); Depth: 11.00 inches (18.93cm)
Weight: Multiplexer, 4.75 lbs; Power supply, 2.0 lbs
Emissions: FCC part 15 Class A, 89/336/EEC (EN55022)
Immunity: 89/336/EEC (EN50082-1)
Safety: 73/23/EEC (EN60950)


3054/A/120 TIME DISTANCE MUX,4 PORT RS232 **END OF LIFE**
3054/A/230 TIME DISTANCE MUX,4 PORT RS232 **END OF LIFE**
3054/AR/120 TDM 6 PORT, RS232 WITH RTS/CTS **END OF LIFE**
3054/AR/220 TDM 6 PORT, RS232 WITH RTS/CTS **END OF LIFE**
3056/A/120 TDM, 6 PORT, RS-232
3056/A/230 TIME DISTANCE MUX,6 PORT RS232
3056/AR/120 TDM,6 PORT, RS232 WITH RTS/CTS
3058/A/100 TIME DISTANCE MUX,8 PORT RS232 ***END OF LIFE**
3058/A/120 TIME DISTANCE MUX,8 PORT RS232 **END OF LIFE**
3058/A/230 TIME DISTANCE MUX,8 PORT RS232 **END OF LIFE**



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