Nortel Networks M3110 - Manual (Page 71)

Attendant consoles Page 71 of 504
Telephones and Consoles Description, Installation, and Operation
Figure 17
M2250 attendant console cross-connections
Cross connect
block
M2250 Console
(console connector)
Note 2
+ VPS
VPS RTN
26
1
27
2
30
5
32
7
33
8
36
11
39
14
41
16
42
17
50
25
Relay 2
Relay 1
TCM Primary
TCM Secondary
ASM
+AUX
W-BL
BL-W
W-SL
SL-W
BK-BL
BL-BK
BK-BR
BR-BK
Y-BL
BL-Y
Y-OR
OR-Y
V-SL
SL-V
R-OR
OR-R
R-G
G-R
W-OR
OR-W
553-AAA0585
To 1st TN
To 2nd TN
To 3rd TN
25 pair cable from console to MDF
GND
TC
GND
ALARM
To 4th TN Tip
To 5th TN Tip
To 4th TN Ring
To 5th TN Ring
Note 1
–AUX
•
•
•
•
Code Blue
Part of Power Fail
or Energy Transfer
Major Alarm