Verilink XEL XSP-100 SHARK IAP (9SA-USRS-9.0R1.02) Product Manual - Manual (Page 229)

Chapter 9- Hardware Specifications
SHARK™ IAD User's Guide XEL P/N & Release: 9SA-USRS-9.0R1.02 Chapter 9-29
Com port (5)
Reset line (2)
MCU
controlling
8 circuits
Tdata (1)
Rdata (1)
Frame Strobe (1)
B
a
c
k
P
l
a
n
e
2 wire
Port A
Channel A
digital
conversion
Termination
+ Voice
adjustments
SLIC
Channel B
digital
conversion
Termination
+ Voice
adjustments
SLIC
2 wire
Port B
2 wire
Port C to H
Control bus
FXS Voice Plug – 8 circuits
SF Strobe (1)
Plug Slot Location (2)
Rcv data clock (1)
Signaling
interface
SLAC
Rx signaling (1)
Tx signaling (1)
occupied
Figure 23: FXS/DPO Voice Module (8 circuits)
Ring Lead
Tip Lead
SLIC controls
and sensors
600/ 900 ohm
2/4-wire
hybrid
network
-24 -48VDC Ring
volts
Control bus to/from MCU
PCM
Encoding
Decoding
Interrupt ReQuest to MCU
Tdata
Rdata
Frame
Strobe
B
a
c
k
P
l
a
n
e
2-wire
Port
Connector
Transmit
Voice
compensation
Receive
Voice
compensation
AISN
coefficients
SLIC control
registers
Clock
Time Slot
Assignor
(TSA)
Figure 24: Individual FXS/DPO Voice Circuits