System 75 XE to R8si (Blowback)
Task List: System 75 XE to R8si
234
SI Installation and Upgrades
June 2004
•
Three -48 VDC power sources for remotely powering 3 attendant consoles or telephone adjuncts.
•
The remote management terminal interface trunk connection location.
•
Access to a relay contact is available to actuate a customer-provided light, bell, or similar alarm
device. Administer the system to make contact when a major, minor or warning alarm condition
occurs in the system. The circuitry required for this feature is customer-provided. The device
connected to the alarm leads must not exceed a rating of 30 VAC RMS or 60 VDC at 0.75 amps.
A 25-pair connector labeled AUX is provided on the rear of the control carrier. Connect a cable to this
connector and route to a connecting block on the trunk/auxiliary field.
Auxiliary lead appearances at AUX connector
Color
Pin number
AUX connector outputs
W-BL
BL-W
26
1
Major
(Note 1)
W-O
O-W
27
2
Minor
(Note 1)
W-G
G-W
28
3
GND
W-BR
BR-W
29
4
GND
W-S
S-W
30
5
GND
R-BL
BL-R
31
6
GND
R-O
O-R
32
7
GND
R-G
G-R
33
8
N/C
R-BR
BR-R
34
9
N/C
R-S
S-R
35
10
N/C
