0TS-622 is multifunctional transmission equipment, has STM-1 and STM-4 optical interface with standard transmission rate, slot-structure, multiple light directions, high integrated E1 board and multi-channel shared Ethernet card. OTS-622 is an ideal network gateway equipment for small volume optical transmissions.

OTS-622 equipment supports 1008×1008VC12 / 48×48VC3 / 16×16VC4 non-block crossing and ADM. It also has the uni-directional and bi-directional broadcasting function.

Its network management can support assignment, warning, maintenance, supervision and management functions.

OTS-622 contains 2 optical interface on the main board, besides 4 expansion slots. E1 card, Ethernet card, Optical port card extensible.

OTS-622 Signal Processing Slot List
Module	Introduction
8×E1 card	8 channels of E1(ballanced/unballanced)
32×E1 card	32 channels of E1(ballanced/unballanced)
LAN card	10/100BAS_T auto adapted
Optical interface card	1×STM-4/2×STM-1 per board
Fan card	Radiator

Frame Parameter

OTS-622's framework is made of compound metal, 19 inch external width; 2U height; 24cm length.

This equipment can be located on any stable base, and can be also screwed through mounting hole to 19 inch cabinet.

Port Physical Parameter

OTS-622
Name	Description
E1 port	OP interface, connected to ddf with L9 coaxial connector.
Optical interface	Optical transceiver, LC
LAN Interface	RJ45
EOW	RJ11
NM port	DB9(socket) & RJ45

Port Electrical Parameter

Optical Interface

Code rate: STM-1/STM-4

Transmit mode:
S1.1,L1.1,L1.2,S4.1,L4.1,L4.2

Transmit power: -8∼2dBm

Receive sensitivity: -28∼-34dBm

Optical ports: 1∼10 STM-1/1∼4个STM-4

E1 Interface

Capacity: 8/32 channels

Transmission Type: HDB3

Transmission Rate: 2048Kbit/s

Permissible Deviation: ±5×10E-5

Impedance at E1 Interface: 75Ω/120Ω

E1 Signal Amplitude: 2.37V/3V

LAN Interface

Specification: IEEE802.3

Bandwidth: 100Mbit/s

Applicable Ethernet rate: 10M/100M auto
adaptation

Work mode: Half-duplex/full duplex

Rate Control: By NM software
N×2M(N=1∼50)

Mapping Path: E1-C12-VC12-TU12-TUG2-

TUG3-VC4-AU4-AUG-SDH

Clock option

2048KHz external clock

STM-1 timing source inputs

STM-1 tributary clock

STM-4 timing source inputs

STM-4 tributary clock

SSM function

working mode:
locked/keeping/Internal mode

priority: NM software control

EOW

Capacity: 25

Calling function:
all call, selective call, group call

Code mode: A-law/µ-law

Interface: VF

Ring frequency: 450Hz

Ring mode: buzzer

Working environment

Feeding mode: -48V/DC

Voltage range: -48V±15%

Operation temperature: 5℃∼45℃

Relative humidity: ≥95%(T≥25℃)

Point to point mode

Star mode

Ring mode

SDH

OTS622

Conspectus
Components
Interfaces
Characteristics
Networking Mode