User's Manual

Cable connections in the Modular Cell 4.0B cabinets
3- 41
Lucent Technologies – Proprietary
See notice on first page
401-703-454
FOA Draft Issue 1
January, 2006
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Punch down T1/E1 lines on
the EFIM in Modular Cell
4.0B cabinets that accept a
maximum of twenty T1/E1
lines
Important! If installing a Modular Cell 4.0B cabinet that
accepts a maximum of twelve T1/E1 lines, skip to Connection of
user alarms to the EFIM punchdown blocks in the Modular Cell 4.0B
primary cabinet on Page 3 - 48 to punchdown the user alarms.
Some Modular Cell 4.0B primary or dual band cabinets are equipped
with USRlls (Universal Radio Controllers) as opposed to UCRs. These
Modular Cell 4.0B cabinets accepts a maximum of twenty T1/E1 lines.
The T1/E1 lines will be connected to the punchdown terminals on the
EFIM (facilities interface module) inside of the Modular Cell 4.0B
primary or dual band cabinet. The EFIM is accessible from the front of
the cabinet, behind a slide-out tray (EFIT - facilities interface tray). See
the figure below. Use the following procedure to punch down the T1/
E1 lines on the EFIM in the applicable Modular Cell 4.0B cabinet.
Refer to the figure below.
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1 Open the facilities interface tray. Refer to the figure below.
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2 Connect the twisted ends of the T1/E1 and user alarm cable shields to
the grounding clamp located on the EFIM. Refer to the figure below.
Refer to the figure on Page 3-43 for more detail.
POD B (4.0B With URCIIs
Only)
Added for T1/E1 pairs
13 through 20
POD B Protectors for
T1/E1 pairs 13 through
POD B Punchdowns for
T1/E1 pairs 13 through 20