NEC Univerge sv8500 Manual page 2844

The lamp lights red on
Check the light level at Point [1]
The result is normal?
No
The OPTMUX card is
faulty. Replace OPT-
MUX card with a spare.
No
The outbound fiber-optic
cable is faulty. Check the
outbound fiber cable.
Normal light level is as follows
Note 1:
.
DISTANCE BETWEEN
TELEPHONY SERVER AND DCS
MMF 2 km
SMF 15 km
Confirm the following LEDs on the
OPTMUX/ROPTMUX:
OPTIN (Red)
SYNC (Red)
CLKALM (Red)
both cards.
Note 1
Yes
Check the light level at
Point [2]
Note 1
The result is normal?
Yes
The ROPTMUX card is
faulty. Replace ROPT-
MUX card with a spare.
POWER LEVEL
CHAPTER 2
START
The lamp lights red on
the OPTMUX card only.
Check the light level at Point [3]
The result is normal?
No
The ROPTMUX card is
faulty. Replace ROPT-
MUX card with a spare.
No
The inbound fiber-optic
cable is faulty. Check the
inbound fiber cable.
(SEND)
-20~-14 dBm
-15~-8 dBm
VOL.3-357
TERMINAL-RELATED DEVICES
Note 1
Yes
Check the light level at
Point [4]
Note 1
The result is normal?
Yes
The OPTMUX card is
faulty. Replace OPT-
MUX card with a spare.
POWER LEVEL
(RECEIVE)
-27~-14 dBm
-27~-8 dBm