ADTRAN 1200305L1 system manual Octal Ethernet Switch Option Module P/N 1200766L1

Section 2, Engineering Guidelines			ATLAS 550 System Manual
	Table 31. EIA-232 and V.35 Connection Pinouts (Continued)
22	J	125	Ring indicator (RI) to DTE
3	R	104	Received data (RD-A) to DTE
3	T	104	Received data (RD-B) to DTE
17	V	115	RX clock (RC-A) to DTE
17	X	115	RX clock (RC-B) to DTE
2	P	103	Transmitted data (TD-A) from DTE
2	S	103	Transmitted data (TD-B) from DTE
15	Y	114	TX clock (TC-A) to DTE
15	AA	114	TX clock (TC-B) to DTE
24	U	113	External TX clock (ETC-A) from DTE
24	W	113	External TX clock (ETC-B) from DTE
-	NN	142	Test mode (TM) to DTE

Octal Ethernet Switch Option Module (P/N 1200766L1)

The Octal Ethernet Switch Option Module provides eight (RJ-48C) interfaces that can operate as 10BaseT or 100BaseTX. Table 32 gives the pinout for the Ethernet connection.

		Table 32. Ethernet Pinout
PIN	NAME	DESCRIPTION
1	TX1	Transmit Positive
2	TX2	Transmit Negative
3	RX1	Receive Positive
4, 5	UNUSED	—
6	RX2	Receive Negative
7, 8	UNUSED	—

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