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Summary of Contents for Patton electronics 1205
- Page 1 USER MANUAL MODELS 1205 and 1205/34 Synchronous V.35 Modem Eliminators SALES OFFICE Part #07M1205-D Doc #049021U, (301) 975-1000 Rev. E TECHNICAL SUPPORT Revised 1/22/08 (301) 975-1007 An ISO-9001 http://www.patton.com Certified Company...
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Page 2: Radio And Tv Interference
1.1 RADIO AND TV INTERFERENCE The Model 1205 generates and uses radio frequency energy, and if not installed and used properly—that is, in strict accordance with the manufacturer’s instructions—may cause interference to radio and television reception. - Page 3 1.3 SERVICE All warranty and non-warranty repairs must be returned freight prepaid and insured to Patton Electronics. All returns must have a Return Materials Authorization number on the outside of the shipping container. This number may be obtained from Patton Electronics Technical Support: (301) 975-1007;...
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Page 4: General Information
Supporting synchronous data rates of 32, 48, 56, 64, 72, 112, 128 and 144 Kbps, the Model 1205 can be configured to emulate dial-up or leased line service. Maximum distance between the connected hosts is 300 feet. -
Page 5: Internal Dip Switch
3.1 ACCESSING SWITCHES AND JUMPERS All switches and jumpers are located on the Model 1205 PC board. To access the PC board, open the Model 1205 case by inserting a small flat-blade screwdriver in the slot on either side of the case and twisting gently. -
Page 6: Internal Jumpers
PORT A PORT B Figure 3. Model 1205 Jumper Orientation and Factory Default on Internal PC Board. Figure 4 (following page) presents a detailed view of JP1, JP2 and JP3, and also shows the factory default setting for each jumper. Please observe that each pair contains one strap to configure Port A and one strap to configure Port B. - Page 7 JP1: RTS/CTS Delay The setting for jumper JP1 determines the amount of delay between the time the Model 1205 “sees” RTS and when it sends CTS. In order to emulate either dial-up or leased line modems, you can set this strap at either 0 msec, 7 msec or 53 msec. Note: Port A and Port B must be configured separately.
- Page 8 Not a Valid Setting Sync. Host A - may supply clock Sync. Host B - may not supply clock Model 1205 150 foot 150 foot Cable Cable Port A Port B Figure 5. Maximum Allowable Cable Distances for the Model 1205...
- Page 9 1. Configure the Model 1205 for your specific application according to the instructions in Section 3.0 of this manual. 2. Turn off the host (DTE) devices to which the Model 1205 is to be connected. 3. If one of the host devices has an EIA-530 port, you may plug the Model 1205 directly into that device.
- Page 10 APPENDIX A MODEL 1205 SPECIFICATIONS CCITT V.35/EIA-530 INTERFACE (DB-25 Female) Data 1 - (FG) Frame Ground Transmit Data B - 14 2 - Transmit Data A 3 - Receive Data A Receive Data B - 16 4 - (RTS) Request to Send...
- Page 11 Power Supply: Draws interface power from RTS & DTR signals on both ports. RTS/CTS Delay: Strap selectable, 0, 7, 53 mS (+/- 15%) Altitude: 0 to 10,000 feet Humidity: 5 to 95% noncondensing Dimensions: Approximately 3” x 2” x .75” (76 x 51 x...
- Page 12 Dear Valued Customer, Thank you for purchasing Patton Electronics products! We do appreciate your business. I trust that you find this user manual helpful. We manufacture one of the widest selections of data communications products in the world including CSU/DSU's, network termination units, powered and self-powered short range modems, fiber optic modems, interface converters, baluns, electronic data switches, data-line surge protectors, multiplexers, transceivers, hubs, print servers and much more.