Ethernet Base Module and Interface Modules
Passport 4400 Hardware Installation Manual
5-4
56kbps CSU/DSU Interface Module
The 56kbps module supports the Dataphone Digital Service (DDS) without the
secondary signaling channel. This interface module supports the following
loopback modes:
• DSU loopback
• CSU loopback
• digital loopback
• local loopback
• local loopback transmit end (LLT)
• local loopback receive end (LLR).
The 56kbps CSU/DSU interface module may only be used in the Port 2 (MPANL
port) slot. Do not place the 56kbps module in Port 3.
Figure 5-5. Front and Back View of 56kbps CSU/DSU Interface Module
An 8-position RJ48C jack is provided to interface with the DDS network.
Figure 5-6. 56kbps CSU/DSU Connector
Note: The interface module must be inserted into the
unit with the component side facing down.
Rear View
Pin 1
RJ48
1
2
4
5
6
7
8
3
RJ48 Pin Assignments
Transmit Data from Network
Transmit Data from Network
Receive Data to Network
Receive Data to Network
Pins 3, 4, 5, 6 Not Connected
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...
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