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