T1/E1 and Digital Voice Modules
Passport 4400 Hardware Installation Manual
9-5
75
Ω
Outer Conductor Strapping
The outer conductors of the 75
Ω
BNC interface connectors may be connected to
earth or isolated. Strapping is implemented by a set of headers and jumpers as
shown in the following figure.
Figure 9-7. Location of the E1 Interface Line Straps
75
Ω
Connector Outer Conductor Jumper
Connector
To Earth
Isolated (Open)
Line 1 Rx (DSX-1)
Place jumper over
E83, pins 1 and 2.
Place jumper over
E83, pins 2 and 3.*
Line 1 Tx (DSX-1)
Place jumper over
E78, pins 1 and 2.*
Place jumper over
E78, pins 2 and 3.
* Indicates factory default setting
1
2
3
EAR
TH
OPEN
E83
E78
Front of E1 Access Module
Содержание Passport 4400 Series
Страница 1: ...Passport 4400 Hardware Installation Manual Part Number 800 1951 20 Rev A June 1998...
Страница 8: ...viii...
Страница 10: ...Hardware Installation Manual About this document About this document 2...
Страница 30: ...Introduction Passport 4400 Hardware Installation Manual 1 20...
Страница 58: ...Connecting the Expansion Modules Passport 4400 Hardware Installation Manual 4 12...
Страница 66: ...Ethernet Base Module and Interface Modules Passport 4400 Hardware Installation Manual 5 8...
Страница 94: ...Analog Voice Modules Passport 4400 Hardware Installation Manual 8 16...
Страница 104: ...T1 E1 and Digital Voice Modules Passport 4400 Hardware Installation Manual 9 10...
Страница 110: ...Power Supply Passport 4400 Hardware Installation Manual 10 6...
Страница 136: ...Cable Diagram Pin Assignments Passport 4400 Hardware Installation Manual A 20 Figure A 17 Coaxial Cable Female Male...
Страница 142: ...Index 4...
Страница 143: ......