Transition Networks RS-449, V.35 MODE2, Cct Gnd, Modedce, Rxd/Txd+, Receive+, Txd/Rxd+, Transmit+

Transition Part Number 21DTE-3

X.21 DTE High Speed Serial Cable Pin-out (CAB-SS-21MT)

26-Pin	Signal Name	Note	Direction	DB-15 Pin	Signal Name
Drain wire	Shield		—	Shell/cover	Shield_GND
Shell				J2-01
J1-21	MODE_2	All Pins listed	—	J2-08	CCT GND
J1-24	MODE_DCE	connect to J1-26
J1-26	GND	GND
J1-05	RXD/TXD+	Twisted pair	<—	J2-04	RECEIVE+
J1-18	RXD/TXD-		<—	J2-11	RECEIVE-
J1-01	TXD/RXD+	Twisted pair	—>	J2-02	TRANSMIT+
J1-14	TXD/RXD-		—>	J2-09	TRANSMIT-
J1-11	CTS/RTS+	Twisted pair	<—	J2-05	INDICATION+
J1-10	DSR/DTR+		<—	J2-12	INDICATION-
J1-08	RTS/CTS	Twisted pair	—>	J2-03	CONTROL+
J1-09	DTR/DSR+		—>	J2-10	CONTROL-
J1-04	RXC/TXCE+	Twisted pair	<—	J2-06	TIMING+
J1-17	RXC/TXCE-		<—	J2-13	TIMING-

Confidential	Page 7	02/27/03
Rev 0.2