3 NAMES AND FUNCTIONS OF EACH PART AND CABLING
3-2
3.1 Names and Functions of Each Part
①
LEDs for primary ring (PR)
TX: Starts to blink when data is transferred.
RX: Starts to blink when data is received.
ERR: Comes on when a hardware error is detected.
②
LEDs for secondary ring (SR)
The functions of these LEDs are the same as those of
LEDs for the primary ring.
③
Module No. switch
Used to select the main module and submodule to be
installed. Also, used to select a maintenance function.
Table 3-1 Setting of Module No. Switch
Function
Main module
setting No.
Submodule
setting No.
33-64 modules connection
0
1
17-32 modules connection
2
3
9-16 modules connection
4
5
1-8 modules connection
6
7
T/M1 (internal loopback)
8
9
T/M2 (external loopback)
A
B
T/M3 (offline loop)
C
D
Prohibition of use
Other setting Nos.
④
CPL NO. switch
The CPL NO. switch is used to set the number (/00 to
/3F) for identifying the module connected to the line.
⑤
Optical module receptacles for primary ring (PR)
TX (transmission): Used to connect the OD.RING
module to the primary ring (RX) of
the next-stage module.
RX (reception): Used to connect the OD.RING module
to the primary ring (TX) of the
previous-stage module.
⑥
Optical module receptacles for secondary ring (SR)
TX (transmission): Used to connect the OD.RING
module to the secondary ring (RX)
of the next-stage module.
RX (reception): Used to connect the OD.RING module
to the secondary ring (TX) of the
previous-stage module.
CAUTION
When installing both an LQE010 module and an LQE015 module on the same
mount base, be sure to set one module as the main module and the other as the
submodule using their module No. switches, and limit the total number of
OD.RING modules installed to 2.
LQE010
OD.RING
ERR
RX
TX
MODU.
NO
PR
SR
CPL
NO
ERR
RX
TX
TX
RX
TX
RX
PR
SR
LQE015
OD.RING
ERR
RX
TX
MODU.
NO
PR
SR
CPL
NO
ERR
RX
TX
TX
RX
TX
RX
PR
SR
Figure 3-1 Front of OD.RING
Module
Содержание LQE010
Страница 1: ......
Страница 2: ......
Страница 17: ...1 BEFORE USE ...
Страница 21: ...2 SPECIFICATIONS ...
Страница 23: ...3 NAMES AND FUNCTIONS OF EACH PART AND CABLING ...
Страница 27: ...4 USER GUIDE ...
Страница 39: ...5 OPERATION ...
Страница 46: ...6 MAINTENANCE ...
Страница 63: ...7 TROUBLESHOOTING ...
Страница 79: ...APPENDIX ...