Sagem 155C Manual do Utilizador descarregar pdf (Página 22)

1 - INSTALLATION AND COMMISSIONING

Installation and User Guide - N56717020101

Page A1-14

No reproduction or communication without the written consent of

SAGEM SA

Connector Female 15-way HE5.

Pin N° Signal name Polarity Comments

1 - Not connected

9TB(+)

2 TA (-)

Input for data to send over the STM-1 line and sampled on the

rising edge of clock T64 (B-A)

10 TOFPB (+)

3 TOFPA (-)

Transmit mode byte sync output indicating the positioning of bit 1

and sent on the rising edge of clock T64 (B-A)

11 RB (+)

4 RA (-)

Output for data extracted from STM-1 line and sampled on the

falling edge of clock T64 (B-A)

12 ROFPB (+)

5 ROFPA (-)

Receive mode byte sync output indicating the setting of bit 1 and

sent on the falling edge of clock T64 (B-A)

13 R64B (+)

6 R64A (-)

64 kHz receive clock output

14 T64B (+)

7 T64A (-)

64 kHz transmit clock output

15 - Not connected

8 Ground

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

use):

B8 B1 B2

R64 (B-A)

R (B-A)

ROFP (B-A)

T64 (B-A)

T (B-A)

TOFP (B-A)

(receive clock output)

(output for data received

from STM1 line)

(receive synchro byte

pulse output

)

(transmit clock output)

(input for data to transmit

over STM1 line)

(transmit synchro byte

pulse output)

1 2 ... 17 18 19 20 21 22 23 24 25 26 27 ... 133 134

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