Sagem ADR 155C manual Installation and User Guide N56717020101 A1-14

1 - INSTALLATION AND COMMISSIONING

Connector		Female 15-way HE5.
			8	1
			15	9
Pin N°		Signal name	Polarity	Comments
1		-		Not connected
	9	TB	(+)	Input for data to send over the STM-1 line and sampled on the
				rising edge of clock T64 (B-A)
2		TA	(-)
	10	TOFPB	(+)	Transmit mode byte sync output indicating the positioning of bit 1
				and sent on the rising edge of clock T64 (B-A)
3		TOFPA	(-)
	11	RB	(+)	Output for data extracted from STM-1 line and sampled on the
4		RA	(-)	falling edge of clock T64 (B-A)
	12	ROFPB	(+)	Receive mode byte sync output indicating the setting of bit 1 and
5		ROFPA	(-)	sent on the falling edge of clock T64 (B-A)
	13	R64B	(+)	64 kHz receive clock output
6		R64A	(-)
	14	T64B	(+)	64 kHz transmit clock output
7		T64A	(-)
	15	-		Not connected
8				Ground

Timing diagram for the "EOW/AUX" interface in contra-directional mode (64 kbit/s synchronous use):

T64 (B-A)

(transmit clock output)

T (B-A)

(input for data to transmit over STM1 line)

TOFP (B-A)

(transmit synchro byte pulse output)

R64 (B-A)

(receive clock output)

R (B-A)

(output for data received from STM1 line)

ROFP (B-A)

(receive synchro byte pulse output)

B8 B1 B2

B8 B1 B2

Installation and User Guide - N56717020101

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