Interface Configuration Guide 7705 SAR Interfaces
Edition: 01 3HE 11011 AAAC TQZZA 55
On the 16-port T1/E1 ASAP Adapter card, version 1, the encapsulation type can
be ipcp, cem, or atm. The encapsulation type on the 16-port T1/E1 ASAP
Adapter card, version 2, and the 32-port T1/E1 ASAP Adapter card can be ipcp,
cem, atm, frame-relay, hdlc, or cisco-hdlc.
On the 12-port Serial Data Interface card, the encapsulation type can be cem,
ipcp, frame-relay, hdlc, or cisco-hdlc. V.35 ports and X.21 ports at super-rate
speeds (64 kb/s and above) support all of the above encapsulation types.
RS-232 ports and X.21 ports operating at subrate speeds support only cem
encapsulation.
On the 4-port T1/E1 and RS-232 Combination module, the encapsulation type
for T1/E1 ports can be ipcp or cem. RS-232 ports operating at subrate speeds
support only cem encapsulation.
On the 6-port E&M Adapter card, 8-port Voice & Teleprotection card,
8-port FXO Adapter card, and 6-port FXS Adapter card, the encapsulation type
must be cem.
On the 8-port Ethernet Adapter card, the 8-port Gigabit Ethernet Adapter card,
the 6-port Ethernet 10Gbps Adapter card, the 10-port 1GigE/1-port 10GigE
X-Adapter card, the Packet Microwave Adapter card, the 4-port SAR-H Fast
Ethernet module, the 6-port SAR-M Ethernet module, the xDSL ports on the
7705 SAR-Wx, and the Ethernet ports on all fixed platforms with Ethernet ports,
the encapsulation type can be set as null, dot1q, or qinq.
On the 4-port OC3/STM1 Clear Channel Adapter card, the encapsulation type
must be atm.
On the 4-port DS3/E3 Adapter card, the encapsulation type for DS3/E3 clear
channel ports can be atm, cem, or frame-relay. The encapsulation type for DS3
channelized ports can be cem or frame-relay.
On the 2-port OC3/STM1 Channelized Adapter card, the encapsulation type can
be ipcp, cem, or atm.
On the 4-port OC3/STM1 / 1-port OC12/STM4 Adapter card, the encapsulation
type must be cem.
• network ports — configured for network-facing traffic. Network ports are used as
uplinks for Ethernet, ATM, PPP, and TDM pseudowires.
Note:
• The 10-port 1GigE/1-port 10GigE X-Adapter card supports qinq only when it is
in 10-port 1GigE mode.
• The Packet Microwave Adapter card supports qinq only when the port is not in
mw-link mode.
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