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2.4 Rich Interfaces
For the types and the maximum capacity of the OptiX RTN 600 interfaces, refer to
Table 2-1. Later versions are expected to have more interfaces to meet the market
demand.
Table 2-1 Interface types and maximum interface capacity
Interface Type
PDH interface
SDH interface
External clock
interface
Auxiliary interface
Management
interface
Alarm interface
a: The OptiX RTN 610 supports four STM-1 interfaces when it functions as a pure optical transmission system.
b: The OptiX RTN 620 supports 10 STM-1 interfaces when it functions as a pure optical transmission system.
2.5 Flexible Modulation
The modem of the OptiX RTN 600 supports QPSK, 16QAM, and 128QAM. You can
select the modulation mode as required.
2.6 Automatic Transmit Power Control
The OptiX RTN 600 supports the automatic transmit power control (ATPC) function.
The ATPC function enables the output power of the transmitter to automatically trace
the level fluctuation at the receive end. This reduces the interference with neighboring
systems and residual BER.
Commercial in Confidence
Specifications
75/120-ohm E1 interface
STM-1 optical interface: Ie-1,
S-1.1, L-1.1, L-1.2
75-ohm STM-1 electrical interface
75-ohm 2048 kHz/ or 2048 kbit/s
external clock interface
Orderwire interface
Wayside (WS) interface (the
external clock interface)
RS232 asynchronous data
interface
10/100BASE-T(x) NM interface
10/100BASE-T(x) NE cascade
interface
Management serial port
Alarm input/out interface
Product Description
OptiX RTN 600
OptiX RTN 610
OptiX RTN 620
16
64
a
b
2
8
a
b
2
8
1
2
1
1
1
2
1
1
1
1
1
1
1
1
6 inputs + 2
6 inputs + 2
outputs
outputs
Page 5 of 44
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