XRT83SL28ES Exar, XRT83SL28ES Datasheet - Page 31

• Manufacturer Part Number: XRT83SL28ES
• Description: Peripheral Drivers & Components - PCIs 8 CH E1 LIU SH
• Manufacturer: Exar

Specifications of XRT83SL28ES

• Product Category: Peripheral Drivers & Components - PCIs
• Rohs: yes

xr
REV. 1.0.0
For N+1 redundancy, the receivers on all cards can be programmed for internal impedance. The receivers on
the backup card do not have to be tri-stated. To swap the primary card, close the desired relays. See Figure
Figure 24 for a simplified block diagram of the receive section for an N+1 redundancy scheme.
F
3.2.6
IGURE
24. S
Receive Interface with N+1 Redundancy
IMPLIFIED
Backplane Interface
B
LOCK
Internal Impedance
Internal Impedance
Internal Impedance
Internal Impedance
Primary Card
Primary Card
Backup Card
Primary Card
D
IAGRAM OF THE
XRT83SL28
XRT83SL28
XRT83SL28
XRT83SL28
Rx
Rx
Rx
Rx
R
ECEIVE
8-CHANNEL E1 SHORT-HAUL LINE INTERFACE UNIT
29
Line Interface Card
I
NTERFACE FOR
1:1
1:1
1:1
N+1 R
EDUNDANCY
E1 Line
E1 Line
E1 Line
XRT83SL28