Comtech-ef-data DMD1050 Instrukcja Użytkownika Pobierz pdf (Strona 123)

DMD1050 Satellite Modem Board Web Browser

MN-DMD1050 7–29

Revision 9

SCT Clock Source: {INTERNAL (SCT), SCR (Rx SAT CLK)}

Select SCT Source to be the SCT Oscillator or the RX Satellite

Clock. Rx SAT CLK is for loop timing.

SCT Clock Polarity: {AUTO, NORMAL, INVERTED}

Select the Clock Polarity for the Tx Terrestrial Clock relative to

the Tx Data. “Auto” detects wrong polarity and automatically

corrects.

Eth Flow Control: {Disabled, Enabled}

Disable or enable flow control. Only visible when Ethernet is

selected as the interface type.

Eth Daisy Chain: {Disabled, Enable}

Disable the Ethernet Port Daisy Chaining or enable it on Port 2.

Only visible when Ethernet is selected as the interface type.

ETH QOS Type {NORMAL, PORT BASED}

Select the priority hierarchy of processing an IEEE 803.0ac Tag,

Ipv4 Type of Service Field/Differentiated Services Field, or Ipv6

Traffic Class Field. The Port Based priority overrides any

standard priority. When operating in this mode, Port 1 has the

highest priority and Port 2 has the lowest.

ETH QOS Queue {FAIR WEIGHTD, STRICT PRIORITY}

Select the queue weighting of 8, 4, 2 or 1, so that even the lowest

priority traffic gets some bandwidth. Strict Priority makes sure

that the higher priority traffic is transmitted before the lower

priority traffic. Note: Strict Priority can limit lower priority

traffic severely.

ETH HDLC {RADYNE, COMTECH}

Select Radyne HDLC or Comtech HDLC (Bridge Mode only).

Note: Comtech HDLC is supported by the SLM5650A Modem.

ASYNC

TX Async Mode: {ES-ES, ESC ENHANCED}

ES-ES is the normal IBS Async Channel. ESC Enhanced can be

selected in Closed Net and uses the Overhead Signaling bytes in

the IBS Overhead to pass asynchronous data.

ES Interface: {RS-232, RS-485}

Select the interface type.

ES Baud Rate: {150 - 19200}

Select the baud rate in Enhanced Async Mode. Table 3-3 shows

the rates.

ES Bits/Char: {7,8}

Select 7- or 8-bit data.

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