Connect Tech Blue Heat/Net Sync User Manual
Serial Port LEDs
The serial ports LEDs indicate serial activity for each port.
•A flashing LED indicates that the port in question is receiving or transmitting data.
Connecting Serial Devices
V.28 Connections:
V.28 has signaling levels the same EIA RS232.
Basic Async (V.28) RS-232 Null Modem Connection
This is the typical way to connect a Blue Heat/Net Sync to another serial device.
Blue Heat/Net Sync | ||||||
2 | - TX |
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3 | - RX |
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7 | - SR |
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Figure 2: Basic V.28 Asynchronous Connections
Basic Sync (V.28)
Blue Heat/Net Sync | Device | ||||||
2 | - TX |
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| RX |
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3 | - RX |
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17 - T/RXC |
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| RXC | |||
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7 | - SR |
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Figure 3: Basic V.28 Synchronous Connections
Basic Sync (V.28) RS-232 Connection (Receives Clock)
Blue Heat/Net Sync | Device | ||||||
2 | - TX |
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| RX |
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3 | - RX |
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15 - T/RXC |
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| RXC | |||
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7 | - SR |
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Figure 4: Basic V.28 Synchronous Connections
NOTE: The Blue Heat/Net Sync clock signals are bidirectional.
See Blue Heat/Net Sync Clocking for more details.
12 | Revision 0.03 |
