MDRS 155EC

, SDH MDRS 155 E «Marconi» STM-1 SDH. SDH MDRS 155 E ,

STM-1 , SDH STM-4

. ,

SDH-

MDRS 155 E .

8 .

IC . , , , 16 STM-1

STM-4.

IC

, .

(40 28

30

) 64 MLQAM

128 MLQAM.

(ATPC) .

,

, .

99,9%)

»

20 .

ATPC

.

MDRS 155 E SDH 13

.

.

MDRS 155 E STM-1

4

. , 64 MLQAM

,

128 MLQAM -

.

.

(XPIC).

, ,

SDH .

ETSI

19’’. .

.

.

, ,

.

.

, ,

.

.

.

XPIC,

.

.

1+1 RPS-H

Rx

OC#1

Rx Modem Unit and RPS Tx

Overhead Access Unit

Tx

32

1+1

Service/ Wayside Channels up to 2x2 Mbit/s, 12x64 kbits

.

n+2.

20

.

.

SDH, ETSI 20

,

483

(1

).

, . ,

n+2. n+1 n+2

.

,

.

14+2.

MIC .

.

). :

,

/ RPS

.

.

, .

1+1

. . .

. . .

30-40

,

.

, ,

,

,

,

,

, .

.

3+1

RPS-C 4 Rx PC#1/OC#4 Tx

Modem Unit and RPS

Rx

OC#3 Tx CBN

155 Mbit/s RST functionality electrical (CMI) or optical (G.957 S1.1)

4 Rx

OC#2 Tx

Modem Unit

Service/ Wayside Channels up to 2x2 Mbit/s, 12x64 kbit/s

and RPS

Rx

OC#1

Overhead Access Unit

Tx

/RPS

64 SOH .

/RPS , ,

,

2

.

STM-4 DPU STM-4, ,

, XPIC, SDH

STM-1, STM-4

.

2 SDH.

SDH.

.

,

(RFCOH) 64

, XPIC 2

STM-4

,

-

(FEC)

STM-4.

.

1 .

128

MLQAM

.

STM-4

1+1. /2 )

22+1. . . ,

ASIC

, .

F-

STM-1 .

.

,

.

.

STM-4 . . , , 1, F1 STM-1

STM-

.

.

4.

STM-1

2

STM-4

.

STM-1.

STM-1 4 "Unequipped

STM-

Signal”.

1+1

2+1.

STM-1 ServiceOn .

STM-4 4

Access «Marconi» , STM-1 (DCCr

«Marconi» ,

DCCr

DCCm), LAN QD2.

DCCm,

64 MLQAM

,

13

128 MLQAM (CCDP) /2 ) (DFE), 22+1 XPIC

.

.

OSI Q3 3+1

(QD2, OSI

,

ETSI/19''

TCP/IP) SDH

,

,

,

14+2

)

,

,

1+1

SNMP.

2 38

), , ).

,

1+1; –

»,

20

n+2 ServiceOn Access ,

STM-1,

,

.

«Marconi». «wayside» 2,048 F-

DRS 155/...-64 MLQAM 3.4 4.2 (ITU-R F.382) 3.4 3.9 (ITU-R F.497) 3.4 4.2 (ITU-R F.635) 4.3 5.0 (ITU-R F.1099) 5.6 6.2 (ITU-R F.497) 5.9 6.4 (ITU-R F.383) 6.4 7.1 (ITU-R F.384) 7.1 7.9 (ITU-R F.385) 7.7 8.5 (ITU-R F.386) 155 (STM-1), 622 64 MLQAM (40 ) 40 28/30

DRS 155/...-128 MLQAM 3.4 4.2 (ITU-R F.382) 3.4 3.9 (ITU-R F.497) 5.6 6.2 (ITU-R F.497) 5.9 6.4 (ITU-R F.383) 7.1 7.9 (ITU-R F.385) 7.7 8.5 (ITU-R F.386) 12.7 13.3 (ITU-R F.497)

(STM-4)* 128 MLQAM (28

XPIC(CCDP) )

XPIC(CCDP)

** 4

8

30,5 13

)

30,0 28,0

) DRS 155/...-64 MLQAM

DRS 155/...-128 MLQAM

ACDP 4

8

20,0 –

13 *** BER=10 –3 /BER=2x10–5 4 8,5 13 4 113

8,5

–75.5

20,0 16,0

/-74

–73.5 –72.5

– 1.1 dB –

/–72 /–71 1.4 dB 1.8 dB

140 STM-1 STM-1 STM-4

CMIS-1.1, S-4.1, S-4.2, L-4.1, L-4.2, E1, F1, E2, 64 12 x 64 2x2 , QD2: LAN:

ITU-T G.703 ITU-T G.957 ITU-T G.957 , ITU-T G.703 , ITU-T G.703 1 +1 14 + 2 1 +1 ServiceOn Access RS-485 10BaseT RS-232

QD2-Master

: DCCr/m: 19 75 ETSI 300132 160 ... 180 – 5°C to + 45°C, c ETSI 300019, Class 3.2 4 , , ETSI 19” x x : 2200 x 600 x 300 ) EN 60950; EN 301 489-1; EN 301 489-4 (EN 300 385); EN 300 132; EN 301 126-1; EN 301 461; EN 301 127 * ** ***

STM-1

STM-4 1,5

;

Slave