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
32
August 2004
7 Distribution
frame
A distribution frame type P-81 can be used with TM-81 multiplexer. The frame allows
relocating the contact points of line ports and component ports, as well as power supply and
contact alarm signal connectors to front panel of the device. The distribution frame is deliv-
ered complete with cabling set for connecting the device to transmission, power supply and
alarm connectors of the TM-81 multiplexer. The P-81 frame can be fixed to the TM-81 device
for good, by using a set of fixing brackets available as optional equipment, or can be mounted
separately. Front view of the TM-81 multi P-81 distribution frame set is shown on the
figure below.
TM-81
MULTIPLEXER 7x64k/2M
T R I B U T A R Y C H A N N E L C O N F I G U R A T I O N
TM-81
B
A
AIS
10
-3
LOF
LOS
G.703
CONFIGURATION
B
A
Droop
LNK
RCV
LNK
RCV
C
C
C
C
C
C
C
LP
C
C
C
TS
C
1
1
1
3
4
5
7
7
7
6
2
CHANNEL DIRECTION
10BASE-T
MODE OF OPERATION
4 5 6 7 8
1 2 3
ON
4 5 6 7 8
1 2 3
ON
4
1 2 3
ON
4 5 6 7 8
1 2 3
ON
4 5 6 7 8
1 2 3
ON
4 5 6 7 8
1 2 3
ON
4 5 6 7 8
1 2 3
ON
4 5 6 7 8
1 2 3
ON
4 5 6 7 8
1 2 3
ON
9 10
RS232/485
Continue
Droop &
A
B
75
ALARM
POWER
10BASE-T
10BASE-T
2x10BASE-T
MDI-X
C
C
7
6
C
C
C
C
C
2
1
3
4
5
A
B
B
A
120
9
5
P-81
RS232/485
Fig. 29.
Multiplexer type TM-81 with P-81 distribution frame
