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Patton Electronics 1202 & 1203
High Speed, Synchronous, Modem Eliminators

Patton Models 1202 & 1203
High Speed, Synchronous, Modem Eliminators
Interconnect High Speed Synchronous Hardware at up to 512 Kbps –No Modems!
Model 1202
  Features & Benefits
  • Model 1202—Sync Data Rates from 16 to 512 kbps (including 64 kbps)
  • Model 1203—Sync Data Rates from 7 to 224 kbps (including 56 kbps)
  • Cable Runs to 75 Feet on Either Side of the Device
  • Constant or RTS Controlled Carrier
  • Internal or External Clocking
  • RTS/CTS Delay Options of 0 msec or 6.6 msec
  • LEDs Monitor Data and Control Signals
  • No AC Power required

Our Model 1202 & 1203 high speed synchronous modem eliminators let two synchronous RS-232 DTE (host) devices communicate without using expensive synchronous modems. The Model 1202 supports data rates of 16, 32, 64, 128, 256 and 512 kbps. The Model 1203 supports data rates of 17, 14, 28, 56, 112 and 224 kbps. Both models are interface powered and provide internal or external clock options. And both can be configured to emulate dial-up or leased line service. Easily visible LEDs let you monitor link status. RS-232 connections can be extended up to 75 feet on either side of the device. Two male or two female DB-25 connectors are provided.


Data Rates: Model 1202 - 16, 32, 64, 128, 256 or 512 Kbps (strap selectable); Model 1203 - 7, 14, 28, 56, 112 and 224 Kbps (strap selectable)
Clocking: Internal or external clock (strap selectable)
Grounding: Protective ground (pin 1) may be strapped to signal ground (pin 7)
Range: 75 feet on either side (for a total of 150 feet) at 56/64 Kbps, range extends linearly for lower bit rates and decreases for higher bit rates
Functional: Emulates half or full duplex, dial-up or dedicated line
RTS/CTS Delay: Selectable per port: 0mS or 6.6mS
DCD: Selectable per port as continuous or RTS controlled
Ring Indicator: Constantly ON
Interface: EIA RS-232C/CCITT V.24
Connectors: Choice of two male or two female DB-25 (RS-232) connectors
Power Supply: None required
Altitude: 0 to 10,000 feet
Humidity: Up to 95% non-condensing
Dimensions: Approximately 5.3” x 2” x 1.2”

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