7705 SAR Interfaces
78
Interface Configuration Guide
3HE 11011 AAAC TQZZA Edition: 01
On the 7705 SAR-A variant with T1/E1 ports, line timing is supported on T1/E1 ports.
Line timing is also supported on all synchronous Ethernet ports on both 7705 SAR-A
variants. Synchronous Ethernet is supported on the XOR ports (1 to 4), configured
as either RJ-45 ports or SFP ports. Synchronous Ethernet is also supported on SFP
ports 5 to 8. Ports 9 to 12 do not support synchronous Ethernet and, therefore, do
not support line timing.
On the 7705 SAR-Ax, line timing is supported on all Ethernet ports.
On the 7705 SAR-H, line timing is supported on:
• all Ethernet ports
• T1/E1 ports on a chassis equipped with a 4-port T1/E1 and RS-232 Combination
module
On the 7705 SAR-Hc, line timing is supported on all Ethernet ports.
On the 7705 SAR-M (variants with T1/E1 ports), line timing is supported on T1/E1
ports. Line timing is also supported on all RJ-45 Ethernet ports and SFP ports on the
7705 SAR-M (all variants).
On the 7705 SAR-W, line timing is supported on:
• RJ-45 Ethernet ports and optical SFP ports (these ports support synchronous
Ethernet and IEEE 1588v2 PTP)
On the 7705 SAR-Wx, line timing is supported on:
• RJ-45 Ethernet ports and optical SFP ports (these ports support synchronous
Ethernet and IEEE 1588v2 PTP)
On the 7705 SAR-X, line timing is supported on T1/E1 ports and Ethernet ports.
In addition, line timing is supported on the following modules when they are installed
in chassis variants with module slots:
• GPON module
• 8-port xDSL module (NTR over ADSL2, ADSL2+, or VDSL2)
• 6-port DSL Combination module (two references are available: NTR over
SHDSL and NTR over ADSL2, ADSL2+, or VDSL2)
• 2-port 10GigE (Ethernet) module
• 6-port SAR-M Ethernet module
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