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
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