Datasheet

DS_1x66B_001 73M1866B/73M1966B Data Sheet
Rev. 1.6 13
Pin
Number
Pin
Name
Type
Description
16 VNS GND Analog negative supply voltage
17 VPS PWRO Analog positive supply voltage (output)
18 RXP I Receive plus – signal input
19 RXM I Receive minus – signal input
20 SACIN I Caller ID mode AC impedance connection
21 TXM O Transmit Minus – transhybrid cancellation output
22
TST
I Factory test mode, leave open
23
RST
I Resets the control registers to default – weakly pulled high
24 DCD O DC loop output
25 DCS I DC loop current sense
26
DCG
O
DC loop control
27 DCI I DC loop input
28 RGN I Ring detect negative voltage input
29
RGP
I
Ring detect positive voltage input
30 VNS GND Negative supply voltage (line side of the barrier)
31 GPI I General purpose input (test pin)
32 GPO O General purpose output (test pin)