User's Manual

1 - INSTALLATION AND COMMISSIONING
Installation and User Guide - N56717020101
Page A1-14
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SAGEM SA
Connector Female 15-way HE5.
81
15
9
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
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)