Cisco 7120 Series User Manual page 6

Cisco 7120 Series Overview
Loopbacks (except for X.21 DTE)
•
ATM-DXI, Frame Relay, High-Level Data Link Control (HDLC), Point-to-Point Protocol (PPP),
•
and Switched Multimegabit Data Service (SMDS) encapsulation
RFC 1406 (except for the Frac table)
•
Figure 1-5
router.
Figure 1-5
Modular port adapter
5
EN
I
LED
Serial 1/0
Cisco 7100 Series VPN Router Installation and Configuration Guide
1-6
shows the back of the Cisco 7120-4T1. Access to the interfaces is located at the back of the
Cisco 7120-4T1—Back View
Fast Ethernet 0/0
Service adapter
FE 0 / 0
Serial 1/2 LEDs
Serial 1/1
Serial 1/3
T1 WAN ports
Fast Ethernet 0/1
SLOT 0 SLOT 1
ACT ACT
LNK LNK
0 1 CONS AUX
FE 0 / 1
7120 - 4T1
PC Card
slots (covered)
Fixed LAN ports Console and
auxiliary ports
Chapter 1
PWR
0
SYS
RDY
2
Power supply
Overview
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