
DS21455/DS21458 Quad T1/E1/J1 Transceivers
31 of 270
PIN
A12
D3
K18
G2
A13
A3
U12
H2
E17
E1
V11
L1
D16
F2
W16
R3
D13
A1
P17
L3
B15
C2
U17
R4
B14
B2
V15
L4
A16
B1
U15
Y11
Y14
Y17
Y20
J2
D15
E2
W17
L2
B16
C1
Y18
K1
C15
D2
V16
G1
D12
D1
V12
H1
F17
NAME
RLCLK2
RLCLK3
RLCLK4
RLINK1
RLINK2
RLINK3
RLINK4
RLOS/LOTC1
RLOS/LOTC2
RLOS/LOTC3
RLOS/LOTC4
RMSYNC1
RMSYNC2
RMSYNC3
RMSYNC4
RNEGI1
RNEGI2
RNEGI3
RNEGI4
RNEGO1
RNEGO2
RNEGO3
RNEGO4
RPOSI1
RPOSI2
RPOSI3
RPOSI4
RPOSO1
RPOSO2
RPOSO3
RPOSO4
RRING1
RRING2
RRING3
RRING4
RSER1
RSER2
RSER3
RSER4
RSIG1
RSIG2
RSIG3
RSIG4
RSIGF1
RSIGF2
RSIGF3
RSIGF4
RSYNC1
RSYNC2
RSYNC3
RSYNC4
RSYSCLK1
RSYSCLK2
TYPE
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
I
I
I
I
O
O
O
O
I
I
I
I
O
O
O
O
I
I
I
I
O
O
O
O
O
O
O
O
O
O
O
O
I/O
I/O
I/O
I/O
I
I
FUNCTION
Receive Link Clock for Transceiver 2
Receive Link Clock for Transceiver 3
Receive Link Clock for Transceiver 4
Receive Link Data for Transceiver 1
Receive Link Data for Transceiver 2
Receive Link Data for Transceiver 3
Receive Link Data for Transceiver 4
Receive Loss of Sync/Loss of Transmit Clock for Transceiver 1
Receive Loss of Sync/Loss of Transmit Clock for Transceiver 2
Receive Loss of Sync/Loss of Transmit Clock for Transceiver 3
Receive Loss of Sync/Loss of Transmit Clock For Transceiver4
Receive Multiframe Sync for Transceiver 1
Receive Multiframe Sync for Transceiver 2
Receive Multiframe Sync for Transceiver 3
Receive Multiframe Sync for Transceiver 4
Receive Negative Data for the Framer on Transceiver 1
Receive Negative Data for the Framer on Transceiver 2
Receive Negative Data for the Framer on Transceiver 3
Receive Negative Data for the Framer on Transceiver 4
Receive Negative Data from the LIU on Transceiver 1
Receive Negative Data from the LIU on Transceiver 2
Receive Negative Data from the LIU on Transceiver 3
Receive Negative Data from the LIU on Transceiver 4
Receive Positive Data for the Framer on Transceiver 1
Receive Positive Data for the Framer on Transceiver 2
Receive Positive Data for the Framer on Transceiver 3
Receive Positive Data for the Framer on Transceiver 4
Receive Positive Data from the LIU on Transceiver 1
Receive Positive Data from the LIU on Transceiver 2
Receive Positive Data from the LIU on Transceiver 3
Receive Positive Data from the LIU on Transceiver 4
Receive Analog Ring Input for Transceiver 1
Receive Analog Ring Input For Transceiver 2
Receive Analog Ring Input For Transceiver 3
Receive Analog Ring Input For Transceiver 4
Receive Serial Data for Transceiver 1
Receive Serial Data for Transceiver 2
Receive Serial Data for Transceiver 3
Receive Serial Data for Transceiver 4
Receive Signaling Output for Transceiver 1
Receive Signaling Output for Transceiver 2
Receive Signaling Output for Transceiver 3
Receive Signaling Output for Transceiver 4
Receive Signaling Freeze Output for Transceiver 1
Receive Signaling Freeze Output for Transceiver 2
Receive Signaling Freeze Output for Transceiver 3
Receive Signaling Freeze Output for Transceiver 4
Receive Sync for Transceiver 1
Receive Sync for Transceiver 2
Receive Sync for Transceiver 3
Receive Sync for Transceiver 4
Receive System Clock for Transceiver 1
Receive System Clock for Transceiver 2