Install and Administer Trunks
Add TN1654 DS1 Converter (r only)
680
SI Installation and Upgrades
June 2004
Figure 274: 127A BALUN Coaxial Adapter
TN1654 DS1 Converter Switch Settings
1
2
3
4
5
6
up
T1
120 ohms
ESF
120 ohms
ESF
120 ohms
ESF
120 ohms
ESF
Enabled
down
E1
1
1 Although the TN1654 circuit pack supports 75 ohms, use the 127A BALUN to convert the 120
ohms to 75 ohms rather than the switch settings (see
75-ohm E1 Interface Cabling
on page 678).
75 ohms
D4
75 ohms
D4
75 ohms
D4
75 ohms
D4
Disabled
Figure notes
1
127A BALUN coaxial adapter
2
Connect to quad cable (H600-348 or
similar)
3
BCN Connections to E1 network
equipment
4
Single-point ground connection
5
>=
0.75 mm
2
(18 AWG) ground wire
to ground terminal at MDF
h1df127b KLC 012301
127A
10
80
32
30
1
A 120
T
R
B 120
T
R
C 1
20
T
R
D 120
T
R
75
75
75
75
E1 120/75 B
ALUN
1
2
3
4
4
5
Содержание MCC1
Страница 38: ...Upgrades to Avaya Commnication Manager Made Easy Before you start 38 SI Installation and Upgrades June 2004 ...
Страница 326: ...Installation for MCC1 Multicarrier Cabinets Made Easy 326 SI Installation and Upgrades June 2004 ...
Страница 362: ... Single Carrier Cabinets Made Easy 362 SI Installation and Upgrades June 2004 ...
Страница 498: ...Test the System LED Indicators 498 SI Installation and Upgrades June 2004 ...
Страница 650: ...Add IP Solutions Task list Upgrade a TN802 to a TN802B 650 SI Installation and Upgrades June 2004 ...
Страница 692: ...Install and Administer Trunks Add TN1654 DS1 Converter r only 692 SI Installation and Upgrades June 2004 ...
Страница 770: ...Connecting and Handling Fiber Optic Cables Cleaning Fiber Optic Cables 770 SI Installation and Upgrades June 2004 ...
Страница 784: ...Connector and Cable Diagrams Pinout Charts DS1 Interface Cable H600 307 784 SI Installation and Upgrades June 2004 ...
Страница 792: ...UPS Installation for SCC1 EPN A Carrier Cabinet Task List Install UPS 792 SI Installation and Upgrades June 2004 ...
Страница 874: ...Index Z 874 SI Installation and Upgrades June 2004 ...