7705 SAR-8 Overview
7705 SAR-8 Installation Guide Page 47
The 7705 SAR-8 supports the following adapter cards:
• 16-port T1/E1 ASAP Adapter card
• 8-port Ethernet Adapter card (version 1 and version 2)
• 4-port OC3/STM1 Clear Channel Adapter card
• 2-port OC3/STM1 Channelized Adapter card
• 12-port Serial Data Interface card
The 16-port T1/E1 ASAP Adapter card supports 16 individual T1/E1 ports through a single 
cable connection to a distribution panel. The 8-port Ethernet Adapter card supports six 
10/100 Base-T ports and two SFP ports for 10/100/Gigabit Ethernet SFPs (optical or 
electrical) and T3 SFPs.
The T1/E1 ASAP Adapter card and the Ethernet Adapter card (version 2) are available in 
either a –48 VDC variant or a +24 VDC variant.
The 4-port OC3/STM1 Clear Channel Adapter card has four hot-pluggable SFP-based ports 
(optical or electrical) that can be configured for ATM in access mode or for Packet over 
SONET/SDH (POS) in network mode. The port type can be independently configured to be 
SONET (OC3) or SDH (STM1). The 4-port OC3/STM1 Clear Channel Adapter card 
supports –48 VDC only. 
The 2-port OC3/STM1 Channelized Adapter card has two hot-pluggable SFP-based ports 
(optical or electrical) that can be configured for ATM/IMA in access mode or for MLPPP in 
network mode. The port type must be configured to be either SONET (OC3) or SDH 
(STM1). The 2-port OC3/STM1 Channelized Adapter card supports –48 VDC only. 
The 12-port Serial Data Interface card has four 68-pin connectors on its faceplate. Each 
connector supports three data ports. The connectors are labeled ports 1-3, 4-6, 7-9, and 
10-12. The SDI data ports operate in access mode only and can be configured for a V.35 or 
RS-232 interface. The SDI card is connected to either a V.35 or RS-232 distribution panel, 
or to a customer-supplied distribution panel. The 12-port Serial Data Interface card supports 
–48 VDC only.
Notes: 
• The two versions of the 8-port Ethernet Adapter card are identical except that version 2 
adds support for Synchronous Ethernet as a timing source, has more memory for storage 
of MPLS labels, and supports a +24 VDC variant. For more information on Synchronous 
Ethernet, see the 7705 SAR OS Basic System Configuration Guide. 
• The electrical SFP (part number 3HE00062AA) does not support Synchronous Ethernet. 
For a list of supported SFPs, refer to the 8-port Ethernet Adapter Card Installation Guide.