3Com 3C63311 Reference Guide - Page 32
T1/E1 UNI Interface
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20 CHAPTER 1: SYSTEM DESCRIPTION Table 5 PathBuilder S310 System Specifications T1/E1 UNI Interface Number of ports Type of interface Connector type Connector pinouts Framing Line Coding ATM framing ATM support LBO Electrical interface Attenuation Payload scrambling (continued) 1 T1/E1 (with integral CSU and DSX) RJ48C or G703 coax with E1 Balun Adapter PIN 1 - Receive ring PIN 2 - Receive Tip PIN 3 PIN 4 - Transmit ring PIN 5 - Transmit Tip PIN 6 PIN 7 PIN 8 D4 or ESF AMI or B8ZS G.804 HEC T1/E1 UNI 0, 7.5, 15.0, 22.5dB (CSU) 0 ~655 ft. (DSX) CSU/DSX 0, 7.5, 15db Yes
20
C
HAPTER
1: S
YSTEM
D
ESCRIPTION
T1/E1 UNI Interface
Number of ports
Type of interface
Connector type
Connector pinouts
Framing
Line Coding
ATM framing
ATM support
LBO
Electrical interface
Attenuation
Payload scrambling
1
T1/E1 (with integral CSU and DSX)
RJ48C or G703 coax with E1 Balun Adapter
PIN 1 - Receive ring
PIN 2 - Receive Tip
PIN 3 -
PIN 4 - Transmit ring
PIN 5 - Transmit Tip
PIN 6 -
PIN 7 -
PIN 8 -
D4 or ESF
AMI or B8ZS
G.804 HEC
T1/E1 UNI
0, 7.5, 15.0, 22.5dB (CSU)
0 ~655 ft. (DSX)
CSU/DSX
0, 7.5, 15db
Yes
(continued)
Table 5
PathBuilder S310 System Speciļ¬cations