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Rainbow Electronics DS26519 User Manual

Page 25

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DS26519 16-Port T1/E1/J1 Transceiver

25 of 310

NAME PIN

TYPE

FUNCTION

RECEIVE FRAMER

RSER1 D12

RSER2 E12

RSER3 J5

RSER4 AA4

RSER5 Y10

RSER6 AA10

RSER7 B18

RSER8 T20

RSER9 L17

RSER10 L16

RSER11 B1

RSER12 K7

RSER13 J4

RSER14 P7

RSER15 H13

RSER16 M16

Output

Received Serial Data 1 to 16.

Received NRZ serial data. Updated on rising

edges of RCLKn when the receive-side elastic store is disabled. Updated on the
rising edges of RSYSCLKn when the receive-side elastic store is enabled.

When IBO mode is used, the RSERn pins can output data for multiple framers.
The RSERn data is synchronous to RSYSCLKn. See Section

9.8.2

and

Table

9-6

.

RCLK1 J9

RCLK2 H7

RCLK3 J8

RCLK4 H6

RCLK5 T15

RCLK6 U19

RCLK7 V20

RCLK8 W20

RCLK9 D3

RCLK10 C2

RCLK11 H3

RCLK12 G3

RCLK13 T17

RCLK14 R15

RCLK15 T18

RCLK16 N15

Ouput

Receive Clock.

A 1.544MHz (T1) or 2.048MHz (E1) clock that is used to clock

data through the receive-side framer. This clock is recovered from the signal at
RTIPn and RRINGn. RSERn data is output on the rising edge of RCLKn. RCLKn
is used to output RSERn when the elastic store is not enabled or IBO is not used.
When the elastic store is enabled or IBO is used, the RSERn is clocked by
RSYSCLKn.

RSYSCLK1 U18

RSYSCLK2 G9

RSYSCLK3 J6

RSYSCLK4 W7

RSYSCLK5 AB7

RSYSCLK6 AB10

RSYSCLK7 C19

RSYSCLK8 AA22

RSYSCLK9 G6

RSYSCLK10 P18

RSYSCLK11 F2

RSYSCLK12 AB2

RSYSCLK13 P8

RSYSCLK14 R7

RSYSCLK15 G15

RSYSCLK16 T19

Input

Receive System Clock 1 to 16.

1.544MHz, 2.048MHz, 4.096MHz, 8.192MHz, or

16.384MHz receive backplane clock. Only used when the receive-side elastic
store function is enabled. Should be tied low in applications that do not use the
receive-side elastic store. Multiple of 2.048MHz is expected when the IBO mode
is used.