Table of Contents

Physical Specifications
Interface Specifications

Serial Interface (Cisco 633)
LAN Interface
Management Interface
ADSL/SDSL Interface
Phone/Microfilter Interface (Cisco 675 and Cisco 678)

Software Upgrade
Power and Operating Requirements

Power Requirements
Operating Requirements

SDSL 2B1Q Transmission Specifications
(Cisco 633 and Cisco 673)
CAP RADSL Transmission Specifications
(Cisco 675, Cisco 675e and Cisco 678)
DMT Issue 1 Transmission Specifications
(Cisco 676)
DMT Issue 2 Transmission Specifications
(Cisco 627, Cisco 677 and Cisco 678)

Specifications

Physical Specifications

Dimensions

• 5.0 x 6.2 x 1.75 in (12.7 x 15.7 x 4.5 cm)

Weight

• 8 to 10 oz, depending on CPE model

Interface Specifications

Serial Interface (Cisco 633)

The 12-in-1 V.35 Data Terminal Equipment (DTE) serial connector connects to a 5-in-1 V.35 Data Communications Equipment (DCE) serial port on a Cisco router.

LAN Interface

LAN Interface	626	627	633	673	675	675e	676	677	678
RJ-45 connector, ATM-25	¸	¸
RJ-45 connector, 10Base-T/100Base-TX Ethernet, half-duplex, compliant with IEEE 802.3 and 802.3u				¸	¸	¸	¸	¸
RJ-45 connector, 10Base-T/100Base-TX Ethernet, half-duplex/full-duplex, compliant with IEEE 802.3 and 802.3u									¸

Management Interface

• RJ-45 connector

• Baud rate: 9600 to 38400 Kbps

• Data bits: 8

• Parity: none

• Stop bits: 1

• Flow control: none

ADSL/SDSL Interface

RJ-11 Connector/Encoding	626	627	633	673	675	675e	676	677	678
DMT Issue 1 encoding	¸						¸
DMT Issue 2 encoding		¸						¸	¸
SDSL, 2B1Q encoding			¸	¸
CAP encoding					¸	¸			¸
G.Lite encoding		¸						¸	¸

Phone/Microfilter Interface (Cisco 675 and Cisco 678)

• RJ-11 connector with built-in EZ-DSL microfilter (North American version only) (Cisco 675)

• RJ-11 connector (Cisco 678)

Software Upgrade

• Built-in Flash ROM

Power and Operating Requirements

Power Requirements

• 5 VDC @ 1.5 Amp

Operating Requirements

• Temperature: 32º to 104º F (0º to 40ºC)

• Humidity: 5 to 90% (non-condensing)

SDSL 2B1Q Transmission Specifications
(Cisco 633 and Cisco 673)

Table B-1 shows the SDSL 2B1Q transmission specifications for the Cisco 633 and Cisco 673.

CAP RADSL Transmission Specifications
(Cisco 675, Cisco 675e and Cisco 678)

Table B-2 shows the CAP RADSL transmission specification.

Table B-2: CAP RADSL Transmission Specifications

Specification	Downstream	Upstream
Maximum Transmit Power	22.7 dBm	13.3 dBm
Maximum Rate	7168 kbps	1088 kbps
Spectrum	240 - 1335KHz	35 - 191.4KHz
Bandwidth	1.095MHz	156KHz

DMT Issue 1 Transmission Specifications
(Cisco 676)

Table B-3 shows the DMT Issue 1 RADSL transmission specification.

Table B-3: DMT Issue 1 Transmission Specifications

Specification	Downstream	Upstream
Maximum Transmit Power	20.4 dBm	12.5 dBm
Maximum Rate	9200 kbps	832 kbps
Spectrum	138-1104 KHz	26-138 KHz
Bandwidth	966 KHz	112 KHz

DMT Issue 2 Transmission Specifications
(Cisco 627, Cisco 677 and Cisco 678)

Table B-4 shows the DMT Issue 2 Rate Adaptive DSL transmission specification.

Posted: Sat Jul 1 13:47:47 PDT 2000
Copyright 1989-2000©Cisco Systems Inc.