Miranda NV8144, User Manual

Page: 18 / 140

8 Rev 2.2 • 27 Mar 10
1. Introduction
Signal Rates and Flow
sent to the second router. From the expansion connection on the first router, the signal is sent
directly to the corresponding expansion connection on the second router and then directly to that
output card.
Figure 1-4 illustrates the signal flow for two connected NV8576-Plus routers. Outputs 577–864 on
the first router (Router 1) through the output connections to the second router (Router 2) and the
reverse flow of signals between the two routers.
Figure 1-4. Example of Signal Flow Between Two NV8576-Plus Routers
Slots and Corresponding Signal Numbers
Signals are received and distributed through I/O cards and connectors housed on a backplane. The
I/O card and number and type of connectors varies depending on whether the signal is an input or
output, and whether the frame is a standalone router (NV8144, NV8280 or NV8576) or in
expanded mode and connected to a second router frame (NV8280-Plus or NV8576-Plus).
Each signal is assigned a number that corresponds to the physical input or output connector and to
the slot in which an input card or output card is installed. In the NV8500 family, each backplane in
a standalone frame contains either 9 input connectors or 18 output connectors. (See
Backplanes on
page 29.) This means that in the standalone router frame, Input Slot 1 corresponds to inputs 1–9,
Input Slot 2 corresponds to inputs 10–18, and so on, up to the maximum. Output slots are similarly
FAN
LOCAL OUTPUTS
1–144
INPUTS
1–144
XPT
(16 cards)
LOCAL OUTPUTS
289–432
(16 cards)
(16 cards)
INPUTS
289–432
(16 cards)
INPUTS
145–288
(16 cards)
INPUTS
433–576
(16 cards)
(not used)
FAN
INPUT
MONIT
O
R
OUTPUT
MONIT
O
R
SEC. CONTROL PRIM. CONTROL
XPT XPT XPT XPT XPT XPT XPT
REDUNDANT
CROSSPOINT
OUTPUTS 577–720
TO OTHER FRAME
OUTPUTS 865–1008
TO OTHER FRAME
FAN
LOCAL OUTPUTS
577–720
INPUTS
577–720
INPUT
MONIT
OR
(16 cards)
LOCAL OUTPUTS
865–1008
(16 cards)
OUTPUT
MONIT
O
R
(16 cards)
INPUTS
865–1008
(16 cards)
INPUTS
721–864
(16 cards)
INPUTS
1009–1152
(16 cards)
(not used)
FAN
SEC. CONTROL PRIM. CONTROL
REDUNDANT
CROSSPOINT
OUTPUTS 1–144
TO OTHER FRAME
OUTPUTS 289–432
TO OTHER FRAME
(INPUTS 1–
288)
(OUTPUTS 1–
288)
(INPUTS 1–
288)
(OUTPUTS 577
–
864)
(INPUTS 289–576) (OUTPUTS 1–
288)
(INPUTS 289–576) (OUTPUTS 577
–
864)
(INPUTS 1–
288)
(OUTPUTS 289–576) (INPUTS 1–
288)
(OUTPUTS 865–1
152)
(INPUTS 289–576) (OUTPUTS 289–576) (INPUTS 289–576) (OUTPUTS 865–1
152)
XPT
(INPUTS 577
–
864)
(OUTPUTS 577
–
864)
XPT
(INPUTS 577
–
864)
(OUTPUTS 1–
288)
XPT
(INPUTS 865–1
152)
(OUTPUTS 577
–
864)
XPT
(INPUTS 865–1
152)
(OUTPUTS 1–
288)
XPT
(INPUTS 577
–
864)
(OUTPUTS 865–1
152)
XPT
(INPUTS 577
–
864)
(OUTPUTS 289–576)
XPT
(INPUTS 865–1
152)
(OUTPUTS 865–1
152)
XPT
(INPUTS 865–1
152)
(OUTPUTS 289–576)
LOCAL OUTPUTS
145–288
(16 cards)
LOCAL OUTPUTS
433–576
(16 cards)
OUTPUTS 721–864
TO OTHER FRAME
OUTPUTS 1009–1152
TO OTHER FRAME
LOCAL OUTPUTS
721–864
(16 cards)
LOCAL OUTPUTS
1009–1152
(16 cards)
OUTPUTS 145–288
TO OTHER FRAME
OUTPUTS 433–576
TO OTHER FRAME
INPUT
MONIT
OR
OUTPUT
MONIT
O
R
INPUT
MONIT
O
R
OUTPUT
MONIT
O
R