Interface Configuration Guide 7705 SAR Interfaces
Edition: 01 3HE 11011 AAAC TQZZA 41
3.1.3.2.9 7705 SAR-A
The 7705 SAR-A has two variants with fixed physical configurations. One variant
supports both Ethernet and T1/E1 ports. The other variant supports only Ethernet
ports. The variant that supports T1/E1 ports includes eight RJ-45 T1/E1 ports. All
ports must be configured as either T1 or E1 ports; a mix of T1 and E1 ports is not
allowed.
DS1 (T1) ports on the chassis can be configured for either B8ZS (bipolar with
eight-zero substitution) zero code suppression or AMI (alternate mark inversion).
B8ZS and AMI are line coding techniques.
3.1.3.2.10 7705 SAR-Hc
The 7705 SAR-Hc has a fixed physical configuration that includes two RS-232 RJ-45
ports. The chassis also includes Gigabit Ethernet/Ethernet support via SFP and
RJ-45 ports.
3.1.3.2.11 7705 SAR-M
The 7705 SAR-M has a fixed physical configuration that has four variants. Two
variants have 16 RJ-45 T1/E1 ports. All ports must be configured as either T1 or E1
ports; a mix of T1 and E1 ports is not allowed.
DS1 (T1) ports on the chassis can be configured for either B8ZS (bipolar with
eight-zero substitution) zero code suppression or AMI (alternate mark inversion).
B8ZS and AMI are line coding techniques.
3.1.3.2.12 7705 SAR-X
The 7705 SAR-X has a fixed physical configuration that provides TDM pseudowire
services via eight T1/E1 RJ-45 ports.
3.1.3.3 DSL
The 6-port DSL Combination module and the 8-port xDSL module (supported on the
7705 SAR-M), and two variants of the 7705 SAR-Wx support DSL.
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