ADTRAN 1202156L1 Manual de usuario descargar pdf (Pagina 115)

Appendix B. Connector Pinouts

61202156L1-1 TDU 120e User Manual B-3

Chain-Out

This is used to connect to another TDU/TSU family

multiplexer chain-in connector. See Table B-4 for the pinout

for the chain-out connector.

Craft Port

This is used as an EIA-232 port for connection to a computer

or modem (Control In) or to another TSU/TDU family

multiplexer or TSU 100 (Chain-In). See Table B-5 for the

pinout for the craft port connector.

Table B-4. Chain-Out Pinout

Pin Name Description

GND Ground - connected to unit chassis.

UNUSED

TX DATA Data transmitted to chained units by the

TDU 120e. Connect to RX DATA of the next

unit (chain-in pin 3).

UNUSED

RX DATA Data received from chained units by the

TDU 120e. Connect to TX DATA of the next

unit (chain-in pin 5).

6,7,8

UNUSED

Table B-5. Craft Port Pinout

Pin Name Description

GND Ground - connected to unit chassis

RTS Request to send - flow control

RXDATA Data received by the TDU 120e

UNUSED

TXDATA Data transmitted by the TDU 120e

6,7

UNUSED

CTS Clear to send-flow control

1 2 ... 110 111 112 113 114 115 116 117 118 119 120 ... 131 132

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ADTRAN 1202156L1 Manual de usuario Pagina 115