R3303-HP HSR6800 Routers Interface Configuration Guide
26
Step Command Remarks
7. Set the clock selection mode.
• On DTE side:
clock { dteclk1 | dteclk2 |
dteclk3 | dteclk4 |
dteclkauto }
• On DCE side:
clock { dceclk1 | dceclk2 |
dceclk3 }
Optional.
The default is dceclk1 for DCE side
and dteclk1 for DTE side.
8. Set transmit-clock or
receive-clock signal inversion
on the DTE side.
invert { transmit-clock |
receive-clock }
Optional.
Disabled by default.
9. Set the MTU.
mtu size
Optional.
The default is 1500 bytes.
10. Set the CRC mode.
crc { 16 | 32 | none }
Optional.
The default is 16-bit CRC.
11. Set the number of interframe
filling tags.
itf number number
Optional.
4 by default.
12. Enable level detection.
detect dsr-dtr
Optional.
Enabled by default.
13. Enable data carrier detection
(DCD).
detect dcd
Optional.
Enabled by default.
14. Enable local loopback.
loopback
Optional.
Disabled by default.
15. Configure the polling interval.
timer hold seconds retries
Optional.
The default is 10 seconds.
16. Set line idle-mark to 0xFF.
idle-mark
Optional.
The default is 0x7E.
17. Enable RTS signal reverse.
reverse-rts
Optional.
Disabled by default.
18. Set the intended bandwidth
for the synchronous serial
interface.
bandwidth bandwidth-value Optional.
19. Shut down the synchronous
serial interface.
shutdown
Optional.
A synchronous serial interface is
up by default.
NOTE:
Configure PPP/FR, DCC, IP address, firewall, and backup center for the synchronous serial interface if the
network requires.