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PA-E3 Serial Port Adapter Features
PA-E3 Serial Port Adapter Features
The PA-E3 serial port adapter has the following features:
• Single-width port adapter for the VIP2 in all Cisco 7000 series and Cisco 7500 routers, and in
Cisco 7100 series, Cisco 7200 series, and Cisco uBR7200 series routers
• Single-width port adapter for the Catalyst RSM/VIP2 in the Catalyst 5000 family switches
• Single- or double-port E3 rate (34 Mbps) connectivity
• Full-duplex synchronous serial E3 interface
• High-speed High-Level Data Link Control (HDLC) data
• Integrated data service unit (DSU) functionality
• Support for 16- and 32-bit cyclic redundancy checks (CRCs)
• Support for G.751 framing or bypass framing
• Support for ATM-DXI, Frame Relay, HDLC, SMDS, and PPP serial encapsulations
• Support for national service bits
• Support for E3 MIB (RFC 1407)
• Support for remote and local loopback
• HDB3 line coding
• Scrambling and bandwidth reduction
• Online insertion and removal (OIR)
Management Information Base
Management Information Base (MIB) attributes are readable and writable across the Interim Local
Management Interface (ILMI) through use of the Simple Network Management Protocol (SNMP).
The one-port PA-E3 supports MIB-II (RFC 1213) and the E3 interface MIB (RFC 1407).
The two-port PA-2E3 supports MIB-II (RFC 1213) and the E3 interface MIB (RFC 1407).
PA-E3 Port Adapter LEDs
The one-port PA-E3 port adapter hasone status LED andsix uplink port status LEDs(RCLK, FERF,
OOF, AIS, RL, and LL) for the serial E3 port. (See Figure 1-3.)
Figure 1-3 One-Port PA-E3 Port Adapter LEDs—Partial Front View Shown
ENABLED
RCVR
XMTR
RCLK
AIS
FERF
RL
OOF
LL
E3 SERIAL
H10606
LEDs