Troubleshooting and System Testing
800-357-104-01, Revision 01
70
September 29, 2000
HMS-357 List 4 and List 5
I
NSTALLING
A
C
UT
-
THROUGH
C
ARD
(HCC) (O
PTIONAL
)
The HCC-319 Cut-through card allows you to route the output of multiplexers to HDSL lines.
Figure 39.
Installing a Cut-through Card into the HMS-357
Step
Procedure
Installer Check
ü
ü
ü
ü
Whenever installing or removing units from the HMS-357 chassis, be sure to wear an
antistatic wrist strap and connect it to the ESD strap input.
1
If you have not already done so, open the chassis front cover by unscrewing the two hold-down lugs
on the upper corners. The cover folds down.
H
2
Be sure to plug your ESD wrist strap into the ESD above the HMU slot.
H
3
Plug the HCC-319 into the shelf slot whose circuits you want to test.
H
4
Connect standard T1/E1 test equipment to access jack on the front panel to monitor the line.
H
5
If you plan to test a line unit, proceed to
“Line Unit Testing” on page 71
.
The Wideband System 3190 should now be operational. If you experience any difficulties at this time,
refer to
“Troubleshooting and System Testing” on page 67
H
Installer Signature
?
?
?
?
Date
HCC-319
ESD strap input
