Cisco 4500M Guide d'installation Page 67

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Making External Connections to Cisco 4000 Series Routers 4-69
Network Connection Considerations
The dual serial ports are DB-50 connectors. (See Figure 4-21.) These serial ports can be
configured as DTE or DCE, depending on the type of serial cable being used.
Two LED daughter cards are attached to the front of the dual serial module.
(See Figure 4-22.)
Note If the dual serial port module is labeled with V2, as shown in Figure 4-21, then for
optimum performance, use the version of the cable with the part number ending in -02: for
example, 72-0740-02 (DCE) or 72-0671-02 (DTE).
Figure 4-21 Dual Serial Network Processor Module Ports
50-Pin
serial ports
LEDs
(4 green)
LEDs
(4 green)
LEDs
(1 yellow,
1 green)
Alignment
groove
Alignment
groove
H1484a
DO
SERIAL (V2)
PORT-1
PORT-0
TXC
DI
RXC
DCD
RS
TS1
TS2
LP
DCE
P-0 P-1
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