SCM Card Technical Specifications 2 of, Criteria

Table 3. SCM Card Technical Specifications (2 of 2)

Specifications	Criteria*

OC3 Uplink Specifications
Number of ports	1 OC3
Connector Type	Fiber SC connectors
Standards Supported	ANSI T1.105.06-94 Jitter, ANSI T1.105.09 94 Jitter,
	ANSI T1.117.06-91, ITU-T G.957 7/95
Frame Formats	OC3 or STM-1 Operation, Direct Mode only
Line Type	Non-Return to Zero
Data Rates Supported	155.52 Mbps
Facility Datalink Protocol	ANSI T1.105 Format, ANSI T1.646 HEC, ITU-T I.432
	Scrambler
Cable Distance
Model 8022 (MMF)	2 Km (6561.7 feet)
Model 8023 (SMFIR)	15 Km (49,212.6 feet) SMF fiber
Model 8024 (SMFLR)	40 Km (131,234 feet) SMF fiber

E3 Uplink Specifications
Number of ports	1 E3
Connector Type	BNC
Standards Supported	ETSI ETS 3000 689 Electrical and Jitter
Frame Formats	Direct or PCLP
Line Type	HDB3
Data Rates Supported	34.368 Mbps
Facility Datalink Protocol	ETSI ETS 300 686 PLCP, ETSI ETS 3000 689 Direct,
	ITU T1.646 HEC, ITU-T I.432 Scrambler
Cable Distance	75 ohm coaxial 900 feet (274.3 meters)

IMA Uplink Specifications
Number of ports	8 T1 or E1
Connector Type	RJ-48M (50-pin telco)
Standards Supported	RFC 495, ANSI T1.403, ITU G.703/G.704
Frame Formats	T1: Superframe, extended Superframe
	E1: E1, E1-CRC
Line Type	T1: B8ZS
	E1: HDB3
Data Rates Supported	T1: 1.544 Mbps per T1 (max. 8 T1)
	E1: 2.048 Mbps per E1 (max. 8 E1)
Facility Datalink Protocol	ANSI T1.403
Cable Distance	T1/E1 (short haul): 200 meters (656 feet) (LBO=0, –7, –15,
	–22 dB)
	T1/E1 (long haul): 2000 meters (6561.7 feet)

* Criteria of technical specifications are subject to change without notice.

November 2000

8021-A2-GZ40-20