Asm. see figure 17 on – Nortel Networks M3110 User Manual

Page 71

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Original mode

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

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