
DS21455/DS21458 Quad T1/E1/J1 Transceivers
36 of 270
PIN
J2
H11
F8
P10
G8
J6
H12
F9
N10
L1
F16
A6
T11
J4
H14
C8
P9
K2
G15
B7
R10
L3
F14
E7
N11
K6
E14
B5
N12
J3
H15
B8
R9
K1
G16
A7
T10
H1
J16
A9
T8
N1
J1
M1
E16
H16
D16
A5
A8
A4
T12
T13
T9
NAME
RNEGO1
RNEGO2
RNEGO3
RNEGO4
Unused
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
RSYSCLK3
RSYSCLK4
RTIP1
RTIP2
RTIP3
RTIP4
RVDD
RVDD
RVDD
RVDD
RVSS
RVSS
RVSS
RVSS
RVSS
RVSS
RVSS
RVSS
RVSS
RVSS
RVSS
RVSS
TYPE
O
O
O
O
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
I
I
I
I
I
I
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
FUNCTION
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
Connect to VSS for Proper Operation
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
Receive System Clock for Transceiver 3
Receive System Clock for Transceiver 4
Receive Analog Tip Input for Transceiver 1
Receive Analog Tip Input for Transceiver 2
Receive Analog Tip Input for Transceiver 3
Receive Analog Tip Input for Transceiver 4
Receive Analog Positive Supply
Receive Analog Positive Supply
Receive Analog Positive Supply
Receive Analog Positive Supply
Receive Analog Signal Ground
Receive Analog Signal Ground
Receive Analog Signal Ground
Receive Analog Signal Ground
Receive Analog Signal Ground
Receive Analog Signal Ground
Receive Analog Signal Ground
Receive Analog Signal Ground
Receive Analog Signal Ground
Receive Analog Signal Ground
Receive Analog Signal Ground
Receive Analog Signal Ground