
T1, E1, and Digital Voice Modules
Passport 4400 Hardware Installation Manual
5-6
The locations of the two impedance straps for line 1 are shown in the following
figure.
Figure 5-5. Location of the E1 Interface Line Straps
Strapping for the 75 Ohm Outer Conductor
The outer conductors of the 75 ohm BNC interface connectors may be connected
to earth or isolated. Strapping is implemented by a set of headers and jumpers
as shown in Figure 5-6 on page 5-6.
Figure 5-6. Strapping Positions
for the 75 Ohm Cluster Conductor
Line 1 75 ohms select.
120 ohms as shown.
1
2
3
EAR
TH
OPEN
E83
E78
E71
E66
Front of E1 Access Module
Содержание Passport 4430
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Страница 10: ...About this document Passport 4400 Hardware Installation Manual x ...
Страница 16: ...Introduction Passport 4400 Hardware Installation Manual 1 6 ...
Страница 24: ...Installing the Passport 4400 Passport 4400 Hardware Installation Manual 2 8 ...
Страница 56: ...T1 E1 and Digital Voice Modules Passport 4400 Hardware Installation Manual 5 16 ...
Страница 84: ...Interface Modules WAN Passport 4400 Hardware Installation Manual 7 8 ...
Страница 106: ...General Installation Passport 4400 Hardware Installation Module 10 8 ...
Страница 148: ...Regulatory and Telephone Company Requirements Passport4400 Hardware Installation Manual B 16 ...
Страница 158: ...Specifications Passport 4400 Hardware Installation Manual 10 ...
Страница 164: ...T1 Voice Module Cabling Requirements Passport 4400 Hardware Installation Manual D 6 ...
Страница 168: ...PBX Interface Connection Diagrams Passport 4400 Hardware Installation Manual E 4 ...
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