Configuration #5 (Local Eia-485 [4-Wire] To Remote Eia-485 [4-Wire; Table A-9. Local Eia-485 (4-Wire) To Remote Eia-485 (4-Wire; A.1.4.5.5 Configuration #5 (Local Eia-485 [4-Wire] To Remote Eia-485 [4-Wire]) - Comtech EF Data SDM-300A Installation And Operation Manual

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A.1.4.5.5 Configuration #5 (Local EIA-485 [4-Wire] to Remote
EIA-485 [4-Wire])

Table A-9. Local EIA-485 (4-Wire) to Remote EIA-485 (4-Wire)

ASYNC TX and RX Type
ASYNC TX and RX Baud Rate
ASYNC TX and RX Length
ASYNC TX and RX Parity
ASYNC TX Stop
ASYNC TX and RX Type
ASYNC TX and RX Baud Rate
ASYNC TX and RX Length
ASYNC TX and RX Parity
ASYNC TX Stop
Remote Baud Rate
Parity
Address
The local end cable connects the 25-pin female ASYNC connector (on either the
breakout panel or the Y cable) to the EIA-485 (4-wire) remote terminal (WYSE or laptop
computer). The pinout of the local cable is listed in the following table.
The remote end cable connects the 25-pin female ASYNC connector (on either the
breakout panel or the Y cable) to the 9-pin female connector, J6, at the rear of the
modem. The pinout of the remote cable is listed in the following table.
A–34
#5. Local End Modem Settings for EIA-485 (4-Wire)
Utility Interface Menu
EIA-485 (4-wire)
Configuration Interface Menu
150 to 38400
7 bits
Even
2 bits
#5. Remote End Modem Settings for EIA-485 (4-Wire)
Utility Interface Menu
EIA-485 (4-wire)
Configuration Interface Menu
150 to 38400
7 bits
Even
2 bits
Utility System Menu
Equal to ASYNC TX and RX baud rate
Even
1 to 255
#5. Local End EIA-485 (4-Wire) Twisted Pair
9-Pin
Female Connector
TX+ 4
TX- 5
RX+ 8
RX- 9
#5. Remote End EIA-485 (4-Wire)Twisted Pair
9-Pin
Male Connector
TX+ 4
TX- 5
RX+ 8
RX- 9
(See A.1.4.3.10)
(See A.1.4.3.10)
25-Pin
Male Connector
14 TX+
2 TX-
16 RX+
3 RX-
25-Pin
Male Connector
16 RX+
3 RX-
14 TX+
2 TX-
SDM-300A Satellite Modem
Rev. 4