1 - INSTALLATION AND COMMISSIONING
Installation and User Guide - N56717020101
Page A1-14
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SAGEM SA
Connector
Female 15-way HE5.
8
1
15
9
Pin N°
Signal name
Polarity
Comments
1
-
Not connected
9
TB
(+)
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)
