5
X
RS-232,485 + 2
X
E
THERNET
/2 M
BIT
/
S
G.703 (G.704) M
ULTIPLEXER
O
PERATING
M
ANUAL
IOA81-1E
I
August 2004
Table of Contents
1
GENERAL CHARACTERISTICS ............................................................................................................ 2
1.1
P
URPOSE
............................................................................................................................................... 2
1.2
B
ASIC
F
EATURES OF THE
U
NIT
.............................................................................................................. 2
1.3
E
XAMPLES OF
A
PPLICATION
................................................................................................................. 2
1.4
M
ARKING
.............................................................................................................................................. 2
2
CONNECTORS AND LED INDICATORS .............................................................................................. 2
2.1
F
RONT
P
ANEL
....................................................................................................................................... 2
2.2
R
EAR PANEL
.......................................................................................................................................... 2
2.3
C
ONNECTORS
' D
ATA
............................................................................................................................. 2
2.4
P
RINCIPLES OF
C
ONNECTING
................................................................................................................. 2
E1 Interface.................................................................................................................................................... 2
Ethernet Interface .......................................................................................................................................... 2
RS-232/485 Interface ..................................................................................................................................... 2
3
FUNCTIONAL DESCRIPTION ................................................................................................................ 2
3.1
I
NTRODUCTION
..................................................................................................................................... 2
3.2
B
LOCK
D
IAGRAM
.................................................................................................................................. 2
3.3
S
TRUCTURE OF
2048
KBIT
/
S
S
IGNAL
F
RAME
........................................................................................ 2
3.4
P
RINCIPLES OF DROPPING THE SLOTS FROM
2048
KBIT
/
S
S
IGNAL
.......................................................... 2
3.5
S
ELECTION OF OF TIME SLOTS
............................................................................................................... 2
3.6
S
ELECTION AND
C
ONFIGURATION OF
T
RIBUTARY
C
HANNELS
.............................................................. 2
3.7
O
PERATING
M
ODES OF
T
RIBUTARY
C
HANNELS
.................................................................................... 2
Operating mode with interrupted transmission path ..................................................................................... 2
Operating mode without interrupting the transission path ............................................................................ 2
3.8
E
MERGENCY
M
ODE
............................................................................................................................... 2
3.9
O
PERATION WITH THE
TM-48 D
EVICE
.................................................................................................. 2
3.10
O
PERATION AS A
T
ERMINAL
E
QUIPMENT
.............................................................................................. 2
3.11
E
STABLISHING THE
C
LOCK
S
OURCE
...................................................................................................... 2
............................................................................................................................................................................ 2
4
INSTALLATION AND OPERATION ...................................................................................................... 2
4.1
I
NTRODUCTION
..................................................................................................................................... 2
4.2
O
PERATING
C
ONDITIONS
...................................................................................................................... 2
4.3
I
NSTALLATION
...................................................................................................................................... 2
4.4
S
ELECTION OF
I
NPUT AND
O
UTPUT
I
MPEDANCE OF
L
INE
P
ORTS
........................................................... 2
4.5
C
ONFIGURING THE
C
ONTACT
P
OINTS OF
RS-232/485 C
HANNEL
P
ORTS
............................................... 2
4.6
P
OWER
S
UPPLY
..................................................................................................................................... 2
Mains ............................................................................................................................................................. 2
Power pack .................................................................................................................................................... 2
5
CONFIGURATION..................................................................................................................................... 2
5.1
C
ONFIGURATION OF
T
RIBUTARY
C
HANNELS
......................................................................................... 2
5.2
S
ELECTION OF
D
IRECTION IN
T
RIBUTARY
C
HANNELS
........................................................................... 2
5.3
S
ELECTION OF
T
IME
S
LOTS
................................................................................................................... 2
5.4
S
ELECTION OF
O
PERATING
M
ODES FOR
C
HANNELS
.............................................................................. 2
5.5
S
ELECTON OF
O
PERATING
M
ODE FOR THE
D
EVICE
............................................................................... 2
6
DIAGNOSTIC LOOPS ............................................................................................................................... 2
6.1
T
RIBUTARY
L
OOP ON THE
P
ORT
"A"..................................................................................................... 2
6.2
T
RIBUTARY
L
OOP ON THE
P
ORT
"B" ..................................................................................................... 2
6.3
T
RIBUTARY
L
OOP ON
"A"
AND
"B" P
ORTS
........................................................................................... 2
7
DISTRIBUTION FRAME .......................................................................................................................... 2
