Cisco 7120 Series User Manual page 20

Cisco 7140 Series Overview
Cisco 7140-8T
The Cisco 7140-8T provides eight high-speed, synchronous serial ports that support full-duplex
operation at T1 (1.544-Mbps) and E1 (2.048-Mbps) speeds. The Cisco 7140-8T provides the following
features:
•
•
•
•
•
Figure 1-23
router.
Figure 1-23 Cisco 7140-8T—Back View
Modular port adapter
5
EN
I
LED
Serial 1/0
Cisco 7100 Series VPN Router Installation and Configuration Guide
1-20
EIA/TIA-232, EIA/TIA-449, V.35, X.21, and EIA-530 interface types
External (data terminal equipment [DTE] mode) or internal (data communications equipment [DCE]
mode) timing signals (except for EIA-530, which only supports external)
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)
shows the back of the Cisco 7140-8T. Access to the interfaces is located at the back of the
Fast Ethernet 0/0
Service adapter
CD CD CD
Serial 1/2
Serial 1/1
Serial 1/3
T1 WAN ports
Fixed LAN ports
Fast Ethernet 0/1
SLOT 0 SLOT 1
FE 0 / 0 FE 0 / 1
ACT ACT
LNK LNK
CONS
0 1
CD CD CD CD
Serial 1/4 Serial 1/6
Serial 1/5 Serial 1/7
Chapter 1
PC Card
slots (covered)
7 1 2 0 - 4 T PWR
0
SYS
AUX
RDY
CD
2
Power supply
Console and
auxiliary ports
Overview
78-6341-03