Lucent Technologies Release 6 Manuale Utente
DEFINITY Enterprise Communications Server Release 6
Installation and Test for Multi-Carrier Cabinets
Installation and Test for Multi-Carrier Cabinets
555-230-112
Issue 5
May 1998
Install and Wire Telephones and Other Equipment
Page 5-38
Emergency Transfer Units and Associated Telephones
5
NOTE:
Install the 808A in a location that can be accessed only by authorized
personnel. In addition, the location must meet standard environmental
considerations such as temperature, humidity, and so forth.
personnel. In addition, the location must meet standard environmental
considerations such as temperature, humidity, and so forth.
6. Install the panel on any mounting frame in either a vertical or horizontal
position. The housing has ears for screw-mounting and cutouts for
snap-mounting the unit in an 89-type mounting bracket. Verify dial tone is
present at each trunk circuit.
snap-mounting the unit in an 89-type mounting bracket. Verify dial tone is
present at each trunk circuit.
7. Locate the circuit start selection switches. See
. These are the
first 10 two-position switches on the left side of the panel. They are used to
set each of the 5 incoming trunk lines to either loop start or ground start.
Two switches are used for each circuit; switches 1 and 2 are used for
circuit 1, switches 3 and 4 are used for circuit 2, and so forth. See
set each of the 5 incoming trunk lines to either loop start or ground start.
Two switches are used for each circuit; switches 1 and 2 are used for
circuit 1, switches 3 and 4 are used for circuit 2, and so forth. See
Table
5-13
. For loop start, set the switches to the left. For ground start, set the
switches to the right.
.
8. Connect a 25-pair cable between the male RJ21 25-pair connector on the
Emergency Transfer Panel and the yellow field of the MDF. See
shows the pin assignments.
9. Make cross-connections for each emergency trunk/emergency station
Table 5-13.
Trunk/Test Switches
Switch
Number
Number
Circuit
Number
Number
1
1
2
1
3
2
4
2
5
3
6
3
7
4
8
4
9
5
10
5
11
Not Used
12
Test Switch