363-206-305 System Turnup:
Issue 3, June 2000 Page 1 of 2
DDM-2000 F
IBER
R
EACH
N
ARROWBAND
S
HELF
NTP-002
Turn Up Narrowband Shelf
Rack Mount System
DO ITEMS BELOW IN ORDER LISTED . . . . FOR DETAILS, GO TO
Summary:
This NTP is used to install the common units in the narrowband shelf (PCU, RGU,
DSXBIU, and CDTU). It also provides references to the system end-to-end tests
(Circuit Order: NTP-004).
1. Verify that the acceptance procedures in Acceptance: NTP-002
have been performed.
2. Verify that the required circuit packs to be installed are available.
3.
!
CAUTION:
An electrostatic discharge wrist strap, with a minimum
resistance of 250K
Ω
, should be worn when handling circuit
packs to prevent possible damage to the circuit packs.
Before using the wrist strap, check it for opens, shorts, and
minimum resistance value. If the strap does not pass these
checks, it should not be used.
Obtain the equipment listed below:
• 216-C tool (COMCODE 102450574) (cabinet) or sloted
screwdriver (frame).
• DMM (digital multimeter) with an AC (true rms) and DC meter
accuracy of 1.0% and an AC and DC input impedance of ≥ 1
megohm.
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