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VIP2 and the JT2 Port Adapter
The show startup-config command displays the information from the configuration file used at system
startup. Following is an example of partial output from the show startup-config command from a system
with a JT2 port adapter installed and configured:
Router# sh startup-conf
(additional display text omitted)
hostname Router
!
interface Serial9/0/0
ip address 28.0.0.1 255.0.0.0
ip route-cache distributed
no keepalive
crc5
clock source internal
no cdp enable
!
Using Software Configuration Commands Specific to the JT2 Port Adapter
The JT2 port adapter is capable of clocking transmitted data using an internal clock source or a clock
derived from the received data stream. The default is a line-derived clock source; however, each JT2
interface will use its internal clock if no external clock is detected.
The clock source internal command sets the clock source as indicated. The no clock source command
restores the system default.
By default, the system uses no CRC5. The crc bits 5 interface command allows the frame alignment
search criteria to use CRC5. The no crc bits 5 interface command allows CRC5 to be excluded from the
frame alignment search criteria.
Using the ping Command to Verify Network Connection
The packet internet groper (ping) command allows you to verify that an interface port is functioning
properly and to check the path between a specific port and connected devices at various locations on the
network. This section provides brief descriptions of the ping command. After you verify that the system
PA-2JT2 6.3-MHz Serial Port Adapter Installation and Configuration
22
Pending I/O Status: None
EEPROM format version 1
VIP2 controller, HW rev 2.3, board revision A0
Serial number: 03515977
Test history: 0x00
Flags: cisco 7000 board; 7500 compatible
EEPROM contents (hex):
0x20: 01 15 02 03 00 35 A6 49 49 06 94 03 00 00 00 00
0x30: 50 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
Slot database information:
Flags: 0x4
Insertion time: 0x3C58 (16:06:46 ago)
Controller Memory Size: 16 MBytes DRAM, 1024 KBytes SRAM
PA Bay 0 Information:
JT2 Serial PA, 2 ports
EEPROM format version 1
HW rev 1.FF, Board revision UNKNOWN
Serial number: 4294967295
Part number: 73-1684-03
RMA number: 00-00-00
Part number: 255-65535-255
OL-3587-01
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