Telenetics MIU Dial or Leased Line modem with RS-485 Manual do Utilizador descarregar pdf (Página 5)

Install Op and Diags for MIU Modems and RS485 (0049-0002-010A) Page 3 of 16

3.5 MIU/485 B switch (external)

SB-1 Closed (ON) RS485 Received RX & /RX DC terminated with SB-2 Closed

SB-1 Open (OFF) RS485 Received RX & /RX AC terminated with SB-2 Closed

SB- 2 Closed (ON) RS485 Received RX & /RX terminated

SB- 2 Open (OFF) RS485 Received RX & /RX high impedance (Z)

SB-3 & 4 Closed (ON) 2- wire configuration or loopback mode

SB-3 & 4 Open (OFF) 4- wire configuration

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Telenetics MIU Dial or Leased Line modem with RS-485 Manual do Utilizador Página 5