1 - INSTALLATION AND COMMISSIONING
Installation and User Guide - N56717020101
Page A1-10
No reproduction or communication without the written consent of
SAGEM SA
1.3.2.3 - G.703 2 Mbit/s Synchronization port
"SYNC" Interface
Ports
Two G.703 2MHz external synchronization inputs (T3) and one G.703 2MHz
clock output (T4) compliant with ITU-T G.703 Recommendation
(§ 10.3 for input port, § tab.10 for output port)
Bit rate
2,048 Mbit/s
±
50 ppm,
Impedance
120
Ω
balanced,
Connector
Female 9-way HE5 (120
Ω
).
6
5
9
1
Pin N°
Signal name
Comments
1
GND
Ground
6
TX1 RING (T4-)
Output T4-1 (cold point)
2
TX1 TIP (T4+)
Output T4-1 (hot point)
7
RX2 TIP (T3+)
Input T3-2 (hot point)
3
RX1 TIP (T3+)
Input T3-1 (hot point)
8
RX1 RING (T3-)
Input T3-1 (cold point)
4
RX2 RING (T3-)
Input T3-2 (cold point)
9
NC
Reserved
5
NC
Reserved
NOTA : The shielding of the connector case is connected to the subrack front panel ground
1.3.2.4 - G.703, 21 x 2 Mbit/s traffic port
"E1 INPUT" and "E1 OUTPUT" Interface
ports
21 x 2 Mbit/s traffic ports compliant with the ITU-T G.703 Recommendation
(§ 6.3 for input port, § tab.6 for output port)
Bit rate
2,048 Mbit/s
±
50 ppm,
Code
HDB3,
Impedance
120
Ω
balanced,
Connector
SUB D HD female 44 pins supporting L907 cable (21 ports).
This interface uses two connectors : E1 INPUT connector for inputs (named RX) and
E1 OUTPUT connector for outputs (named TX)
15
1
30
44
31
16