Getting Started
2
Transmission Test Set Quick Reference Guide
29
Electrical Test Ports
SONET/SDH Out
BNC 75 ohm unbalanced connector for an STS-1/STM-0
(B3ZS) or STS-3/STM-1 (CMI) electrical output.
SONET SDH In
BNC 75 ohm unbalanced connector for an STS-1/STM-0
(B3ZS) or STS-3/STM-1 (CMI) electrical input. Input Mode -
Terminate or Monitor. Monitor mode conforms to G.772-1993.
Monitor Gain - 20 dB.
2 Mb/s Out
3-pin Siemens 120 ohm balanced connector for an E1 Transmit
or E1 Drop signal output. Either this port or the 2-140 Mb/s
DS3 unbalanced Out port can be active for the E1 Transmit
function.
2 Mb/s In
3-pin Siemens 120 ohm balanced connector for an E1 Receive
or E1 Insert signal input. Either this port or the 2-140 Mb/s DS3
unbalanced In port can be active for the E1 Receive function.
DS1 Out
Bantam 100 ohm balanced connector for a DS1 Transmit or
DS1 Drop output.
DS1 In
Bantam 100 ohm balanced connector for a DS1 Receive or DS1
Insert input.
2-140 Mb/s DS3 Out
BNC 75 ohm unbalanced connector for E1, E2, E3, E4, DS3
transmit or E3, E4, DS3 Drop output signals. Either this port or
the 2 Mb/s balanced Out port can be active for E1 Transmit
function.
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