Patton electronics MODEL 1075, User Manual

Page 1: ...Modem II AC Powered High Speed X 21 Short Range Modem SALES OFFICE 301 975 1000 TECHNICAL SUPPORT 301 975 1007 http www patton com Part 07M1075 B Doc 054081U Rev C Revised 1 23 08 C E R T I F I E D An...

Page 2: ......

Page 3: ...ontainer This number may be obtained from Patton Electronics Technical Service 301 975 1007 http www patton com or support patton com NOTE Packages received without an RMA number will not be accepted...

Page 4: ......

Page 5: ...16 external switches are grouped into two eight switch sets and are externally accessible from the underside of the Model 1075 See Figure 1 The two sets of DIP switches on the underside of the Model 1...

Page 6: ......

Page 7: ...terminal interface Off On Receive Recover System clock derived from the received line signal Switch S2 5 Carrier Control S2 5 Carrier Description Off Always On Transmitter is always ON On Follows ter...

Page 8: ......

Page 9: ...e 6 below The X 21 DCE DTE strap is located near the DB 15 connector on the PC board The arrows on the top of the strap indicate the configuration of the Model 1075 For example if the DCE arrows are p...

Page 10: ......

Page 11: ...pair interface 2 To function properly the Model 1075 needs two twisted pairs of metallic wire These pairs must be unconditioned dry metallic wire between 19 and 26 AWG the higher number gauges may li...

Page 12: ......

Page 13: ...d with the standard version of the Model 1075 is a wall mount type and may be plugged into any approved 120 VAC wall plug 230 VAC Power IEC The 230 VAC adapter supplied with the international version...

Page 14: ......

Page 15: ...nal equipment is operating properly and can be used for a test If a fault is indicated call a technician or replace the unit C Perform a Bit Error Rate BER test on each unit If the BER test equipment...

Page 16: ......

Page 17: ...terfaces CCITT ITU X 21 Data Rates 32 56 and 64 Kbps switch selectable Isolation 1500V RMS via isolation transformers Surge Protection IEC 801 S Level 2 1kV Carrier Control Constantly on or Controlled...

Page 18: ......

Page 19: ...Female Pin Signal Source 1 Shield 2 Transmit a DTE 3 Control a DTE 4 Receive a DCE 5 Indication a DCE 6 System Clock a DCE 7 8 Signal Ground 9 Transmit b DTE 10 Control b DTE 11 Receive b DCE 12 Indic...

Page 20: ......

Page 21: ......

Page 22: ......

Page 23: ......

Page 24: ...from you Please contact us in any of the following ways to tell us how you like this product and how we can meet your product needs today and in the future Web http www patton com Sales E mail sales...