Zhone Technologies Network Device Transmission Range Distance, Procedural Characteristics

Zhone Technologies, Inc. IMACS Product Book, Version 4

Table 18 describes the BRI card specifications.

Table 18—BRI Card Specifications

Models 826070, 826171, 826270, 826361 and 826461 Basic

Rate ISDN Cards

Physical Characteristics
Number of ports		8
Capacity per port		Two B (64 kbps each) and one D (16 kbps)
		channel
Physical Interface		Female 50-pin RJ-27X Telco connector
Electrical Interface
Model 826070, 826171, 826361 and 826461		2-wire, U-interface per ANSI T1.601
Model 826270		4-wire, S/T interface per ANSI T1.602/ITU
		1.430
826070 and 826171 Transmission
Range
Wire Gauge	22 AWG (.644 mm)	24 AWG (.511 mm)	26 AWG (.405 mm)
	23 UK SWG	25 UK SWG	27 US SW
Distance	26,000 ft (7.9 km)	22,000 ft, (6.7 km)	18,000 ft (5.5 km)
826270 Transmission Range	Distance
NT p-p	Max 1500m
NT s-b	Max. 1500m
NT e-b	Max. 1500m. 35 m between devices
Code	Alternate Mark Inversion (AMI)
Rate	192 Kbps +/- 100ppm
Timing	External and internal (software configurable)
Remote NTU Configuration Options	Remote NTU not applicable for the 8263 and 8264.
(for 256x Zhone Technologies and
Adtran NTUs
DTE Interface Type	V.36 or V.24
Procedural Characteristics
Data Protocol	Transparent up to 64kbps or 128 kbps
Channel collision arbitration	(Model 8262 only) As per I.430 (D channel bit echo)
Sealing Current	(Model 8261 only)
Amperage	Jumper set-able 7.5mA or 15mA (requires -48VDC power
Control	Soft set-able options for start time, duration, repeat time
Multidrop Capability	(Model 8262 only) Max 2
Phantom Power	(Model 8262 manual settings)
Wattage	Limited to 90 mA per port.
Software Configurable Options
Models 826070 and 826171	U termination Network (nt) or User (lt)
Model 826270	S/T termination TE, NT point-to-Point, NT short-bus, NT extended
	bus
Termination Mode for 826070 and	Lease, Proprietary, Interworking, NTU-1
826171
Termination Mode for 826270	Lease, Proprietary Interworking

March 2001 Page 60