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DATA CONNECT ENTERPRISE 

User’s Manual 

IG202T and IGV23 Modem 

Document Number 520-01005-001 Rev. A 

Summary of Contents for IG202T

Page 1: ...DATA CONNECT ENTERPRISE User s Manual IG202T and IGV23 Modem Document Number 520 01005 001 Rev A...

Page 2: ...es 13 SW1 1 Auto RTS 14 SW1 2 RTS CTS Delay Bell 202 Mode Only 14 SW1 3 Transmit Carrier Control 14 SW1 4 Soft Carrier Control 15 SW1 5 Anti streaming 15 SW1 6 2 Wire or 4 Wire Operation 15 SW1 7 Tran...

Page 3: ...2 1 Front View of the IG202T V23 Modem 9 Figure 2 2 Back View of IG202T Modem 10 Figure 2 3 Rack Mount Module for the IG202T RM Modem Board 10 Figure 2 4 IG202T IGV23 Stand alone Modem Board 12 Figure...

Page 4: ...m is designed utilizing the stand FSK modulation technology to achieve high performance and low cost The IG202T V23 modem is ideally suited for multi point communication systems that require fast resp...

Page 5: ...ks within an extended temperature range of 40 C to 85 C y Designed with coupling transformers for high voltage isolation and common mode noise rejection in industrial and commercial environments y Ope...

Page 6: ...ure 1 1 Point to Point Network Using the IG202T V23 Modem Workstation Modem Modem Modem Modem Modem Modem Remote Terminal Remote Terminal Figure 1 2 Multipoint Polling Network Using the IG202T V23 Mod...

Page 7: ...2T or IGV23 only y A leased line cable with optional earth ground conductor for stand alone units only y A DC power cable model IG202T DC or IGV23 modem only y This User s Manual or CD ROM If your pac...

Page 8: ...n page 21 y A loopback control push button switch see Loopback Control Switch on page 21 Figure 2 1 Front View of the IG202T V23 Modem Back View Figure 2 2 shows the back view of the IG202T stand alon...

Page 9: ...Modem Figure 2 2 Back View of IG202T Modem Rack Mount View Figure 2 3 shows the rack mount plug in module Figure 2 3 Rack Mount Module for the IG202T RM Modem Board Installation Summary This section d...

Page 10: ...follow the steps described below in the order shown to ensure that you configure your modem properly using the modem DIP switches 1 Use DIP switch 1 S1 to configure the modem for your host DTE interfa...

Page 11: ...lace the top cover after the configuration is completed D7 D8 D9 D10 D11 D12 D13 J4 J2 J3 J1 T2 T1 U2 1 SW1 U5 D14 S3 U1 Configuration Switch SW1 Configuration Jumpers JP1 JP2 JP1 2 7 8 1 JP2 1 5 2 6...

Page 12: ...modem Table 2 3 shows the setting of the switches NOTE Switches SW1 are toggle switches To configure the switches use a small sharp pin to firmly press down on one end to open or to close each switch...

Page 13: ...Switches SW1 2 determines the duration of the RTS CTS delay in Bell 202 mode For V23 mode the RTS CTS delay is fixed at 33 ms SW1 3 Transmit Carrier Control y SW1 3 ON Constant carrier y SW1 3 OFF Con...

Page 14: ...en anti streaming is active the modem can transmit data for a maximum of 30 seconds before the transmitter turns off automatically The modem then looks for an ON to OFF RTS transition before proceedin...

Page 15: ...nfiguration networks When multiple modems are connected on the same metallic circuit In a point to multipoint network configuration all except one of the slave modem s receiver termination should be s...

Page 16: ...r the RS 232 or RS 485 port Only one type of interface is supported by the modem Table 2 33 shows the two jumpers must be placed to make the selection Table 2 3 RS 232 or RS485 Select RS 232 V 24 Inte...

Page 17: ...source not found shows the transmission line interface NOTE For communication to occur the Rx line of one modem must connect to the Tx line of the other modem The modem s Tx Rx pair are non polarized...

Page 18: ...Figure 2 2 on page 10 shows the connection to the Model IG202T s power interface shows the connection to the Model IG202T DC s power interface WARNING Before you connect a voltage source observe the...

Page 19: ...to an RS 485 Device The modem rear panel provide an RJ 11C module jack connector for a 4 pin RS 485 or RS 422 interface in the event that your DTE or RTU does not support the RS 232 interface see Fig...

Page 20: ...ime The DLB LED should be ON When a DTE is connected to the RS 232 port of the modem the transmit data is loop back to the DTE as receive data This test will verify the modem s RS 232 interface along...

Page 21: ...itter Receiver Transmitter Receiver RTU Transmitter Receiver Transmitter Receiver RTU Transmitter Receiver Transmitter Receiver RTU Local Host Analog Loop Back Remote RTU Digital Loop Back Local Host...

Page 22: ...nnecting RS 232 or RS 485 cable between the DTE and the modem The MR LED Modem Ready on the front panel should be ON when the modem is idle Modem does not receive data and the DCD and RxD LEDs are off...

Page 23: ...z V 23 x Soft Carrier 900 Hz Bell 202T only RTS CTS Delay 10 or 33 ms Bell 202T 33 ms V 23 Receiver dynamic range 0 to 43 dBm Operating temperature 40qC to 85qC Power supply Wide range switching power...

Page 24: ...ent DB 9 female connector for RS 232 RJ 11C module jack for RS 485 Interface Connector Pin Assignments Table B 1 Leased Line RJ 11C Pin Assignments This Pin Number Corresponds to This Signal 1 Not Ues...

Page 25: ...Set Ready Modem Ready RTS Input 7 Request To Send CTS Output 8 Clear To Send RS 485 DTE Interface Table B 3 RS 485 DTE Interface RJ 11 Pin Number Corresponds to Signal Name Modem Input or Output 1 Not...

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