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Analog (500/2500-type) telephones Page 315 of 504
Telephones and Consoles Description, Installation, and Operation
Figure 50
NE-500/2500-type telephone cross-connections for IPE modules
Note:
This connection applies only to line cards equipped with the Parallel Message Waiting Lamp feature.
This connects to a second message waiting indication, a lamp bank for example. The maximum
loop resistance is 2000½.
Slots
1, 4,
7, 10
Slots
3, 6,
9
Slots
2, 5,
8
Cable pairs
Color of pair in cable from PE shelf
to cross connect terminal
according to location of pack in PE shelf
Lead
designation
Cross connect
terminal
Quad density line card
see Note
To 500/2500 or
digital telephone
To 500/2500 or
digital telephone
To 500/2500 or
digital telephone
To 500/2500 or
digital telephone
To 500/2500 or
digital telephone
To 500/2500 or
digital telephone
To 500/2500 or
digital telephone
To 500/2500 or
digital telephone
T
R
T
R
T
R
T
R
T
R
T
R
T
R
T
R
T
R
T
R
T
R
T
R
T
R
T
R
T
R
T
R
–48V
GND
–48V
GND
–48V
GND
–48V
GND
–48V
GND
–48V
GND
–48V
GND
–48V
GND
W-BL
BL-W
W-O
O-W
W-G
G-W
W-BR
BR-W
W-S
S-W
R-BL
BL-R
R-O
O-R
R-G
G-R
R-BR
BR-R
R-S
S-R
BK-BL
BL-BK
BK-O
O-BK
BK-G
G-BK
BR-BK
BK-BR
BK-S
S-BK
Y-BL
BL-Y
BK-G
G-BK
Y-BR
BR-Y
Y-S
S-Y
V-BL
BL-V
V-O
O-V
V-G
G-V
V-BR
BR-V
R-S
S-R
R-BR
BR-R
BK-BL
BL-BK
BK-O
O-BK
BK-BR
BR-BK
BK-S
S-BK
Y-BL
BL-Y
Y-O
O-Y
Y-G
G-Y
Y-O
O-Y
Y-G
G-Y
Y-BR
BR-Y
Y-S
S-Y
V-BL
BL-V
V-O
O-V
V-G
G-V
V-BR
BR-V
W-BL
BL-W
W-O
O-W
W-G
G-W
W-BR
BR-W
R-O
O-R
R-G
G-R
R-BL
BL-R
W-S
S-W
Unit
0/8
Unit
1/9
Unit
2/10
Unit
3/11
Unit
4/12
Unit
5/13
Unit
6/14
Unit
7/15
Unit
0
Unit
8
Unit
1
Unit
9
Unit
2
Unit
10
Unit
3
Unit
11
Unit
4
Unit
12
Unit
5
Unit
13
Unit
6
Unit
14
Unit
7
Unit
15
Line
Pack
in PE
Shelf
553-AAA0590