Sagem ADR 155C Guide D'installation Et D'utilisation page 17

1.3.2.4 - G.703 2 MHz Synchronization port
"SYNC" Interface
Ports
Impedance
Connector
Pin N°
1
2
3
4
5
NOTA : The shielding of the connector case is connected to the subrack front panel ground
1.3.2.5 - G.703, 21 x 2 Mbit/s traffic port
"E1 INPUT" and "E1 OUTPUT" Interface
ports
Bit rate
Code
Impedance
Connector
This interface uses two connectors : E1 INPUT connector for inputs (named RX) and
E1 OUTPUT connector for outputs (named TX)
Two G.703 2MHz external synchronization inputs (T3) and one
G.703 2MHz clock output (T4) compliant with ITU-T G.703
Recommendation (§ 13.3 for input port, § 13.2 for output port)
120 Ω balanced,
Female 9-way HE5 (120 Ω).
5
9
Signal name
GND
6 TX1 RING (T4-)
TX1 TIP (T4+)
7 RX2 TIP (T3+)
RX1 TIP (T3+)
8 RX1 RING (T3-)
RX2 RING (T3-)
9 NC
NC
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)
2,048 Mbit/s ± 50 ppm,
HDB3,
120 Ω balanced,
SUB D HD female 44 pins supporting L907 cable (21 ports).
15
30
44
No reproduction or communication without the written consent of SAGEM SA
1 - INSTALLATION AND COMMISSIONING
1
6
Ground
Output T4-1 (cold point)
Output T4-1 (hot point)
Input T3-2 (hot point)
Input T3-1 (hot point)
Input T3-1 (cold point)
Input T3-2 (cold point)
Reserved
Reserved
1
16
31
Installation and User Guide - N56717020104
Comments
Page A1-11