Verilink XEL XSP-100 SHARK IAP (9SA-USRS-9.0R1.02) Product Manual - Manual (Page 208)

Chapter 9- Hardware Specifications
Chapter 9-8 XEL P/N & Release: 9SA-USRS-9.0R1.02 SHARK™ IAD User's Guide
IAP
Back
Plane
Power Module
2
Amp
+5 VDC
Module
Ring Generator
+/- 12 VDC
Module
+
-
-
-12
+
-
+12
+
OUT
Return
+5VDC
-24VDC
RINGING
RGND
+
-
+
-
+
-
-48GND
AC/DC Converter
-
+
Shield or
Safety Ground
Chassis
GND
Digital
Ground
Plane
Analog
Ground
Plane
-48VDC
Figure 4: Functional diagram of the Internal Power Supply Module